From 7e222bacbf3ced1265b5be5409b43c5e8cdf4be1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=B6khan=20=C3=96ZARSLAN?=
 <65454317+gkhnzrsln@users.noreply.github.com>
Date: Sun, 16 Aug 2026 16:30:08 +0300
Subject: [PATCH] kurulum3

---
 backend/package-lock.json          | 462 +++++++++++++++++++----------
 backend/package.json               |   6 +-
 backend/simulate.js                |  73 +++++
 backend/simulate.ts                |  59 ++++
 backend/src/routes/deviceRoutes.ts |  12 +-
 backend/src/services/VpnService.js |  88 ++++++
 backend/src/services/VpnService.ts |  94 ++++++
 backend/tsconfig.json              |  44 +++
 8 files changed, 679 insertions(+), 159 deletions(-)
 create mode 100644 backend/simulate.js
 create mode 100644 backend/simulate.ts
 create mode 100644 backend/src/services/VpnService.js
 create mode 100644 backend/src/services/VpnService.ts
 create mode 100644 backend/tsconfig.json

diff --git a/backend/package-lock.json b/backend/package-lock.json
index d839564..37ed721 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -9,15 +9,19 @@
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "@prisma/adapter-pg": "^7.9.1",
+        "@prisma/client": "^7.9.1",
         "axios": "^1.19.0",
         "cors": "^2.8.6",
         "dotenv": "^17.4.2",
         "express": "^5.2.1",
-        "pg": "^8.23.0"
+        "pg": "^8.23.0",
+        "ssh2": "^1.17.0"
       },
       "devDependencies": {
         "@types/express": "^5.0.6",
         "@types/node": "^26.2.0",
+        "@types/ssh2": "^1.15.5",
         "nodemon": "^3.1.14",
         "prisma": "^7.9.1",
         "ts-node": "^10.9.2",
@@ -41,14 +45,14 @@
       "version": "0.4.3",
       "resolved": "https://registry.npmjs.org/@electric-sql/pglite/-/pglite-0.4.3.tgz",
       "integrity": "sha512-ichuWTgtd4mOM1G4SpyGJa5trT03lWbMypDV0fUXUCXg5hiHqVAz/bZyV68NqmkLB7WcYmj1RMJVSp8HV/v/ZQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0"
     },
     "node_modules/@electric-sql/pglite-socket": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/@electric-sql/pglite-socket/-/pglite-socket-0.1.3.tgz",
       "integrity": "sha512-LAciWM0M1dCL8hlsxu2venbVZcdxema0BtDfpWYVqr+Y468UADw0pFWidhKw1M8sfJ8rdLT71tjMmnirf/IZRQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
         "pglite-server": "dist/scripts/server.js"
@@ -61,7 +65,7 @@
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/@electric-sql/pglite-tools/-/pglite-tools-0.3.3.tgz",
       "integrity": "sha512-AlzLJTRJ8+UFgK8CmxIpyIpJ0+YaFw02IiOSdYrqxwPXdSyeIShz8aa9Tq+tYFXdPwcaMp/Fc80mQZ1dkOQ/wg==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "peerDependencies": {
         "@electric-sql/pglite": "0.4.3"
@@ -95,11 +99,62 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
+    "node_modules/@prisma/adapter-pg": {
+      "version": "7.9.1",
+      "resolved": "https://registry.npmjs.org/@prisma/adapter-pg/-/adapter-pg-7.9.1.tgz",
+      "integrity": "sha512-Ho2RK1KanQxLNSC0sR5bpiiVep10sWPLXCcxK+KXfI/Q69TMRbiafSvLPv3V9snimX72rMCqGlyJ4sBO4lKTAw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@prisma/driver-adapter-utils": "7.9.1",
+        "@types/pg": "^8.16.0",
+        "pg": "^8.16.3",
+        "postgres-array": "3.0.4"
+      }
+    },
+    "node_modules/@prisma/adapter-pg/node_modules/postgres-array": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/postgres-array/-/postgres-array-3.0.4.tgz",
+      "integrity": "sha512-nAUSGfSDGOaOAEGwqsRY27GPOea7CNipJPOA7lPbdEpx5Kg3qzdP0AaWC5MlhTWV9s4hFX39nomVZ+C4tnGOJQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/@prisma/client": {
+      "version": "7.9.1",
+      "resolved": "https://registry.npmjs.org/@prisma/client/-/client-7.9.1.tgz",
+      "integrity": "sha512-+xgrh2EhJVF79wC0yX5G4PI1Rdcm7Qn/nekNQ+t/O153wtNggruHal+fXHSa0QE+Tp/Cw5wvxeCEhZZ59xGm8Q==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@prisma/client-runtime-utils": "7.9.1"
+      },
+      "engines": {
+        "node": "^20.19 || ^22.12 || >=24.0"
+      },
+      "peerDependencies": {
+        "prisma": "*",
+        "typescript": ">=5.4.0"
+      },
+      "peerDependenciesMeta": {
+        "prisma": {
+          "optional": true
+        },
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@prisma/client-runtime-utils": {
+      "version": "7.9.1",
+      "resolved": "https://registry.npmjs.org/@prisma/client-runtime-utils/-/client-runtime-utils-7.9.1.tgz",
+      "integrity": "sha512-mVIBGYdO5CFmK0HvjxrtfIyQQcPdb88pSCeVQriVQPVZyDovIWblpHfOgcS8QO187j3QF0ePArH8qPhp0AU2vg==",
+      "license": "Apache-2.0"
+    },
     "node_modules/@prisma/config": {
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/@prisma/config/-/config-7.9.1.tgz",
       "integrity": "sha512-4znKhxTmXmuPye9Z6pbIyYb5VZlkZ05qG1L6Dr4g+7oTwc6V50Bs9XirFBDdjWt+H/AabMn9aUnxBcvj8z05aA==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "c12": "3.3.4",
@@ -112,14 +167,13 @@
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/@prisma/debug/-/debug-7.9.1.tgz",
       "integrity": "sha512-/cpVZ4itxtcgB8GHBvZtcmuEjq+lWsLrRJxFMbwZrT1RIdtuKmUm7PPGo/wzfbYpBrk+9WmmBE8CHJw2rybKDQ==",
-      "dev": true,
       "license": "Apache-2.0"
     },
     "node_modules/@prisma/dev": {
       "version": "0.24.17",
       "resolved": "https://registry.npmjs.org/@prisma/dev/-/dev-0.24.17.tgz",
       "integrity": "sha512-UvdZzmpFwknnfreh6Jije84ekkYGPYEJhXG1tFzCsCfQyzJifrOo38eZc0qajzvaC6OLUOrN9ML5XfCnEZL9DA==",
-      "dev": true,
+      "devOptional": true,
       "license": "ISC",
       "dependencies": {
         "@electric-sql/pglite": "0.4.3",
@@ -139,11 +193,20 @@
         "zeptomatch": "2.1.0"
       }
     },
+    "node_modules/@prisma/driver-adapter-utils": {
+      "version": "7.9.1",
+      "resolved": "https://registry.npmjs.org/@prisma/driver-adapter-utils/-/driver-adapter-utils-7.9.1.tgz",
+      "integrity": "sha512-vmHehG7nn/heW32DXXpp13DxxAxVVe6n250oEt3dOL2E/4bt3olktKZN0mzSuxMMronyMSkbeW2uCOn3F4g8RQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@prisma/debug": "7.9.1"
+      }
+    },
     "node_modules/@prisma/engines": {
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/@prisma/engines/-/engines-7.9.1.tgz",
       "integrity": "sha512-UprXSMNXx2NF5ow4pqaQtE8OuBz6K78B0wc0tn2L28G5r933iWp1DR9Do2qWrsNvvFIP3x6mpEWnQtckMO0Uhg==",
-      "dev": true,
+      "devOptional": true,
       "hasInstallScript": true,
       "license": "Apache-2.0",
       "dependencies": {
@@ -157,14 +220,14 @@
       "version": "7.9.0-1.e922089b7d7502aff4249d5da3420f6fa55fc6ad",
       "resolved": "https://registry.npmjs.org/@prisma/engines-version/-/engines-version-7.9.0-1.e922089b7d7502aff4249d5da3420f6fa55fc6ad.tgz",
       "integrity": "sha512-2BsPPFksz3CQUXG6af3rVCtJKg6+JJGJTtfgu2fU8DdXhOfkBjulCq8mwybCd6ge0/jhZq2kOtLAbmUDMyI1nA==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0"
     },
     "node_modules/@prisma/engines/node_modules/@prisma/get-platform": {
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/@prisma/get-platform/-/get-platform-7.9.1.tgz",
       "integrity": "sha512-PK8R60YZRQvYxBrGG9i7l2/rFyzy+2MuI1dKtmtrCqPH8YpiJx/MfiC7LRzX5786rZDEv7BngcjfIJW4/9ADuw==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@prisma/debug": "7.9.1"
@@ -174,7 +237,7 @@
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/@prisma/fetch-engine/-/fetch-engine-7.9.1.tgz",
       "integrity": "sha512-9DwxrNTeT25Orbu9CWh0CZvVlyY1lmscpbaeLZcOnuR7zcuFrt91YSmmOfIm7zJ08YOZ6mVzURKwLoMwEBcK8w==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@prisma/debug": "7.9.1",
@@ -186,7 +249,7 @@
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/@prisma/get-platform/-/get-platform-7.9.1.tgz",
       "integrity": "sha512-PK8R60YZRQvYxBrGG9i7l2/rFyzy+2MuI1dKtmtrCqPH8YpiJx/MfiC7LRzX5786rZDEv7BngcjfIJW4/9ADuw==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@prisma/debug": "7.9.1"
@@ -196,7 +259,7 @@
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/@prisma/get-platform/-/get-platform-7.2.0.tgz",
       "integrity": "sha512-k1V0l0Td1732EHpAfi2eySTezyllok9dXb6UQanajkJQzPUGi3vO2z7jdkz67SypFTdmbnyGYxvEvYZdZsMAVA==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@prisma/debug": "7.2.0"
@@ -206,21 +269,21 @@
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/@prisma/debug/-/debug-7.2.0.tgz",
       "integrity": "sha512-YSGTiSlBAVJPzX4ONZmMotL+ozJwQjRmZweQNIq/ER0tQJKJynNkRB3kyvt37eOfsbMCXk3gnLF6J9OJ4QWftw==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0"
     },
     "node_modules/@prisma/query-plan-executor": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/@prisma/query-plan-executor/-/query-plan-executor-7.2.0.tgz",
       "integrity": "sha512-EOZmNzcV8uJ0mae3DhTsiHgoNCuu1J9mULQpGCh62zN3PxPTd+qI9tJvk5jOst8WHKQNwJWR3b39t0XvfBB0WQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0"
     },
     "node_modules/@prisma/streams-local": {
       "version": "0.1.11",
       "resolved": "https://registry.npmjs.org/@prisma/streams-local/-/streams-local-0.1.11.tgz",
       "integrity": "sha512-0TcebL559MByKqTJ+SsrFIEg228iw8UCVRFckzgfRSiJqczhs+MuAgWOF9lnOIV/IVqvu+KMnFTH0eDeTQMpUg==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "ajv": "^8.12.0",
@@ -237,7 +300,7 @@
       "version": "0.33.0",
       "resolved": "https://registry.npmjs.org/@prisma/studio-core/-/studio-core-0.33.0.tgz",
       "integrity": "sha512-V2fX/nKEymNTrHXwfP26PGjoLStO35Ogu+ex7CFJbLrMYEcZxxZpiSNOs7px23Hk5mzLWvM5RsqG6Ka+rha+wg==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "dependencies": {
         "@radix-ui/react-toggle": "1.1.10",
@@ -266,14 +329,14 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/@radix-ui/primitive/-/primitive-1.1.3.tgz",
       "integrity": "sha512-JTF99U/6XIjCBo0wqkU5sK10glYe27MRRsfwoiq5zzOEZLHU3A3KCMa5X/azekYRCJ0HlwI0crAXS/5dEHTzDg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@radix-ui/react-compose-refs": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-compose-refs/-/react-compose-refs-1.1.2.tgz",
       "integrity": "sha512-z4eqJvfiNnFMHIIvXP3CY57y2WJs5g2v3X0zm9mEJkrkNv4rDxu+sg9Jh8EkXyeqBkB7SOcboo9dMVqhyrACIg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peerDependencies": {
         "@types/react": "*",
@@ -289,7 +352,7 @@
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-primitive/-/react-primitive-2.1.3.tgz",
       "integrity": "sha512-m9gTwRkhy2lvCPe6QJp4d3G1TYEUHn/FzJUtq9MjH46an1wJU+GdoGC5VLof8RX8Ft/DlpshApkhswDLZzHIcQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@radix-ui/react-slot": "1.2.3"
@@ -313,7 +376,7 @@
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.3.tgz",
       "integrity": "sha512-aeNmHnBxbi2St0au6VBVC7JXFlhLlOnvIIlePNniyUNAClzmtAUEY8/pBiK3iHjufOlwA+c20/8jngo7xcrg8A==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@radix-ui/react-compose-refs": "1.1.2"
@@ -332,7 +395,7 @@
       "version": "1.1.10",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-toggle/-/react-toggle-1.1.10.tgz",
       "integrity": "sha512-lS1odchhFTeZv3xwHH31YPObmJn8gOg7Lq12inrr0+BH/l3Tsq32VfjqH1oh80ARM3mlkfMic15n0kg4sD1poQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@radix-ui/primitive": "1.1.3",
@@ -358,7 +421,7 @@
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-use-controllable-state/-/react-use-controllable-state-1.2.2.tgz",
       "integrity": "sha512-BjasUjixPFdS+NKkypcyyN5Pmg83Olst0+c6vGov0diwTEo6mgdqVR6hxcEgFuh4QrAs7Rc+9KuGJ9TVCj0Zzg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@radix-ui/react-use-effect-event": "0.0.2",
@@ -378,7 +441,7 @@
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-use-effect-event/-/react-use-effect-event-0.0.2.tgz",
       "integrity": "sha512-Qp8WbZOBe+blgpuUT+lw2xheLP8q0oatc9UpmiemEICxGvFLYmHm9QowVZGHtJlGbS6A6yJ3iViad/2cVjnOiA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@radix-ui/react-use-layout-effect": "1.1.1"
@@ -397,7 +460,7 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-use-layout-effect/-/react-use-layout-effect-1.1.1.tgz",
       "integrity": "sha512-RbJRS4UWQFkzHTTwVymMTUv8EqYhOp8dOOviLj2ugtTiXRaRQS7GLGxZTLL1jWhMeoSCf5zmcZkqTl9IiYfXcQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peerDependencies": {
         "@types/react": "*",
@@ -413,7 +476,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@standard-schema/spec/-/spec-1.1.0.tgz",
       "integrity": "sha512-l2aFy5jALhniG5HgqrD6jXLi/rUWrKvqN/qJx6yoJsgKhblVd+iqqU4RCXavm/jPityDo5TCvKMnpjKnOriy0w==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@tsconfig/node10": {
@@ -469,35 +532,35 @@
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/d3-array/-/d3-array-3.0.3.tgz",
       "integrity": "sha512-Reoy+pKnvsksN0lQUlcH6dOGjRZ/3WRwXR//m+/8lt1BXeI4xyaUZoqULNjyXXRuh0Mj4LNpkCvhUpQlY3X5xQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@types/d3-color": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.0.tgz",
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@types/d3-delaunay": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/@types/d3-delaunay/-/d3-delaunay-6.0.1.tgz",
       "integrity": "sha512-tLxQ2sfT0p6sxdG75c6f/ekqxjyYR0+LwPrsO1mbC9YDBzPJhs2HbJJRrn8Ez1DBoHRo2yx7YEATI+8V1nGMnQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@types/d3-format": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/@types/d3-format/-/d3-format-3.0.1.tgz",
       "integrity": "sha512-5KY70ifCCzorkLuIkDe0Z9YTf9RR2CjBX1iaJG+rgM/cPP+sO+q9YdQ9WdhQcgPj1EQiJ2/0+yUkkziTG6Lubg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@types/d3-geo": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/@types/d3-geo/-/d3-geo-3.1.0.tgz",
       "integrity": "sha512-856sckF0oP/diXtS4jNsiQw/UuK5fQG8l/a9VVLeSouf1/PPbBE1i1W852zVwKwYCBkFJJB7nCFTbk6UMEXBOQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@types/geojson": "*"
@@ -507,7 +570,7 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/@types/d3-interpolate/-/d3-interpolate-3.0.1.tgz",
       "integrity": "sha512-jx5leotSeac3jr0RePOH1KdR9rISG91QIE4Q2PYTu4OymLTZfA3SrnURSLzKH48HmXVUru50b8nje4E79oQSQw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@types/d3-color": "*"
@@ -517,14 +580,14 @@
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/@types/d3-path/-/d3-path-3.1.1.tgz",
       "integrity": "sha512-VMZBYyQvbGmWyWVea0EHs/BwLgxc+MKi1zLDCONksozI4YJMcTt8ZEuIR4Sb1MMTE8MMW49v0IwI5+b7RmfWlg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/@types/d3-scale": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@types/d3-scale/-/d3-scale-4.0.2.tgz",
       "integrity": "sha512-Yk4htunhPAwN0XGlIwArRomOjdoBFXC3+kCxK2Ubg7I9shQlVSJy/pG/Ht5ASN+gdMIalpk8TJ5xV74jFsetLA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@types/d3-time": "*"
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "lru.min": "^1.1.0"
@@ -2713,6 +2834,13 @@
         "node": ">=8.0.0"
       }
     },
+    "node_modules/nan": {
+      "version": "2.28.0",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.28.0.tgz",
+      "integrity": "sha512-fTsDz99OTq2sVePhGdp4qQhggZFtKr64ZNVyVajRKtMOkJxYekplBh577PiJB12v/D3s2E5cGtOI45LWp6rnLQ==",
+      "license": "MIT",
+      "optional": true
+    },
     "node_modules/negotiator": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
@@ -2786,7 +2914,7 @@
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       "resolved": "https://registry.npmjs.org/ohash/-/ohash-2.0.12.tgz",
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-      "dev": true,
+      "devOptional": true,
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@@ -2823,7 +2951,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -2843,14 +2971,14 @@
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
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       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/perfect-debounce/-/perfect-debounce-2.1.0.tgz",
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
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     "node_modules/pg": {
@@ -2959,7 +3087,7 @@
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/pkg-types/-/pkg-types-2.3.1.tgz",
       "integrity": "sha512-y+ichcgc2LrADuhLNAx8DFjVfgz91pRxfZdI3UDhxHvcVEZsenLO+7XaU5vOp0u/7V/wZ+plyuQxtrDlZJ+yeg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "confbox": "^0.2.4",
@@ -2971,7 +3099,7 @@
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       "resolved": "https://registry.npmjs.org/postgres/-/postgres-3.4.7.tgz",
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-      "dev": true,
+      "devOptional": true,
       "license": "Unlicense",
       "engines": {
         "node": ">=12"
@@ -3024,7 +3152,7 @@
       "version": "7.9.1",
       "resolved": "https://registry.npmjs.org/prisma/-/prisma-7.9.1.tgz",
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-      "dev": true,
+      "devOptional": true,
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       "license": "Apache-2.0",
       "dependencies": {
@@ -3058,7 +3186,7 @@
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-      "dev": true,
+      "devOptional": true,
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@@ -3070,7 +3198,7 @@
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-      "dev": true,
+      "devOptional": true,
       "license": "ISC"
     },
     "node_modules/proxy-addr": {
@@ -3106,7 +3234,7 @@
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/pure-rand/-/pure-rand-6.1.0.tgz",
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-      "dev": true,
+      "devOptional": true,
       "funding": [
         {
           "type": "individual",
@@ -3167,7 +3295,7 @@
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/rc9/-/rc9-3.0.1.tgz",
       "integrity": "sha512-gMDyleLWVE+i6Sgtc0QbbY6pEKqYs97NGi6isHQPqYlLemPoO8dxQ3uGi0f4NiP98c+jMW6cG1Kx9dDwfvqARQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "defu": "^6.1.6",
@@ -3178,7 +3306,7 @@
       "version": "19.2.8",
       "resolved": "https://registry.npmjs.org/react/-/react-19.2.8.tgz",
       "integrity": "sha512-PWaYA1L/q9u2u7xYQi+Y3L3Yfnie7XyLeaJICV1MGD6LprsBxcAqGjYyr0eY3p+QdsA+x/Irkt4Qif8D63+Sbw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peer": true,
       "engines": {
@@ -3189,7 +3317,7 @@
       "version": "19.2.8",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-19.2.8.tgz",
       "integrity": "sha512-rVprimfGBG3DR+Tq0IQG2DT5PxKth1WIGDmj5yPmlzr4YBe7uyE+Du4oVqTDXZSHGGGXRtTJEGSSePyQCMBglQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peer": true,
       "dependencies": {
@@ -3216,7 +3344,7 @@
       "version": "2.33.4",
       "resolved": "https://registry.npmjs.org/remeda/-/remeda-2.33.4.tgz",
       "integrity": "sha512-ygHswjlc/opg2VrtiYvUOPLjxjtdKvjGz1/plDhkG66hjNjFr1xmfrs2ClNFo/E6TyUFiwYNh53bKV26oBoMGQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "funding": {
         "url": "https://github.com/sponsors/remeda"
@@ -3226,7 +3354,7 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
       "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=0.10.0"
@@ -3236,7 +3364,7 @@
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/ret/-/ret-0.5.0.tgz",
       "integrity": "sha512-I1XxrZSQ+oErkRR4jYbAyEEu2I0avBvvMM5JN+6EBprOGRCs63ENqZ3vjavq8fBw2+62G5LF5XelKwuJpcvcxw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=10"
@@ -3246,7 +3374,7 @@
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/retry/-/retry-0.12.0.tgz",
       "integrity": "sha512-9LkiTwjUh6rT555DtE9rTX+BKByPfrMzEAtnlEtdEwr3Nkffwiihqe2bWADg+OQRjt9gl6ICdmB/ZFDCGAtSow==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">= 4"
@@ -3256,7 +3384,7 @@
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/robust-predicates/-/robust-predicates-3.0.3.tgz",
       "integrity": "sha512-NS3levdsRIUOmiJ8FZWCP7LG3QpJyrs/TE0Zpf1yvZu8cAJJ6QMW92H1c7kWpdIHo8RvmLxN/o2JXTKHp74lUA==",
-      "dev": true,
+      "devOptional": true,
       "license": "Unlicense"
     },
     "node_modules/router": {
@@ -3279,7 +3407,7 @@
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/safe-regex2/-/safe-regex2-5.1.1.tgz",
       "integrity": "sha512-mOSBvHGDZMuIEZMdOz/aCEYDCv0E7nfcNsIhUF+/P+xC7Hyf3FkvymqgPbg9D1EdSGu+uKbJgy09K/RKKc7kJA==",
-      "dev": true,
+      "devOptional": true,
       "funding": [
         {
           "type": "github",
@@ -3308,7 +3436,7 @@
       "version": "0.27.0",
       "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.27.0.tgz",
       "integrity": "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peer": true
     },
@@ -3355,7 +3483,7 @@
       "version": "0.0.5",
       "resolved": "https://registry.npmjs.org/seq-queue/-/seq-queue-0.0.5.tgz",
       "integrity": "sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q==",
-      "dev": true
+      "devOptional": true
     },
     "node_modules/serve-static": {
       "version": "2.2.1",
@@ -3386,7 +3514,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
       "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "shebang-regex": "^3.0.0"
@@ -3399,7 +3527,7 @@
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
       "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=8"
@@ -3481,7 +3609,7 @@
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-4.1.0.tgz",
       "integrity": "sha512-bzyZ1e88w9O1iNJbKnOlvYTrWPDl46O1bG0D3XInv+9tkPrxrN8jUUTiFlDkkmKWgn1M6CfIA13SuGqOa9Korw==",
-      "dev": true,
+      "devOptional": true,
       "license": "ISC",
       "engines": {
         "node": ">=14"
@@ -3516,12 +3644,29 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.3.tgz",
       "integrity": "sha512-qC9iz2FlN7DQl3+wjwn3802RTyjCx7sDvfQEXchwa6CWOx07/WVfh91gBmQ9fahw8snwGEWU3xGzOt4tFyHLxg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">= 0.6"
       }
     },
+    "node_modules/ssh2": {
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/ssh2/-/ssh2-1.17.0.tgz",
+      "integrity": "sha512-wPldCk3asibAjQ/kziWQQt1Wh3PgDFpC0XpwclzKcdT1vql6KeYxf5LIt4nlFkUeR8WuphYMKqUA56X4rjbfgQ==",
+      "hasInstallScript": true,
+      "dependencies": {
+        "asn1": "^0.2.6",
+        "bcrypt-pbkdf": "^1.0.2"
+      },
+      "engines": {
+        "node": ">=10.16.0"
+      },
+      "optionalDependencies": {
+        "cpu-features": "~0.0.10",
+        "nan": "^2.23.0"
+      }
+    },
     "node_modules/statuses": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
@@ -3535,7 +3680,7 @@
       "version": "3.10.0",
       "resolved": "https://registry.npmjs.org/std-env/-/std-env-3.10.0.tgz",
       "integrity": "sha512-5GS12FdOZNliM5mAOxFRg7Ir0pWz8MdpYm6AY6VPkGpbA7ZzmbzNcBJQ0GPvvyWgcY7QAhCgf9Uy89I03faLkg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT"
     },
     "node_modules/supports-color": {
@@ -3627,6 +3772,12 @@
         }
       }
     },
+    "node_modules/tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha512-KXXFFdAbFXY4geFIwoyNK+f5Z1b7swfXABfL7HXCmoIWMKU3dmS26672A4EeQtDzLKy7SXmfBu51JolvEKwtGA==",
+      "license": "Unlicense"
+    },
     "node_modules/type-is": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.1.0.tgz",
@@ -3662,7 +3813,7 @@
       "version": "7.0.2",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-7.0.2.tgz",
       "integrity": "sha512-8FYau96o3NKOhbjKi/qNvG/W5jhzxkbdm5sj9AbZ/5T5sWqn3hJgLfGx27sRKZWTvyzCP8dLRBTf5tBTSRVUNA==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
       "bin": {
         "tsc": "bin/tsc"
@@ -3704,7 +3855,6 @@
       "version": "8.3.0",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
       "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
-      "dev": true,
       "license": "MIT"
     },
     "node_modules/unpipe": {
@@ -3727,7 +3877,7 @@
       "version": "1.4.2",
       "resolved": "https://registry.npmjs.org/valibot/-/valibot-1.4.2.tgz",
       "integrity": "sha512-gjdCvJ6d3RyHAneqxMYMW9QMCwYMb3jpOO0IyHZV1bnRHFBHrX3VkIILt5XYR0WhwHiH7Mty8ovuPZ/O3gamrg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peerDependencies": {
         "typescript": ">=5"
@@ -3751,7 +3901,7 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
       "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
-      "dev": true,
+      "devOptional": true,
       "license": "ISC",
       "dependencies": {
         "isexe": "^2.0.0"
@@ -3792,7 +3942,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/zeptomatch/-/zeptomatch-2.1.0.tgz",
       "integrity": "sha512-KiGErG2J0G82LSpniV0CtIzjlJ10E04j02VOudJsPyPwNZgGnRKQy7I1R7GMyg/QswnE4l7ohSGrQbQbjXPPDA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "grammex": "^3.1.11",
diff --git a/backend/package.json b/backend/package.json
index 10a719c..89a8ec9 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -11,15 +11,19 @@
   "license": "ISC",
   "type": "commonjs",
   "dependencies": {
+    "@prisma/adapter-pg": "^7.9.1",
+    "@prisma/client": "^7.9.1",
     "axios": "^1.19.0",
     "cors": "^2.8.6",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
-    "pg": "^8.23.0"
+    "pg": "^8.23.0",
+    "ssh2": "^1.17.0"
   },
   "devDependencies": {
     "@types/express": "^5.0.6",
     "@types/node": "^26.2.0",
+    "@types/ssh2": "^1.15.5",
     "nodemon": "^3.1.14",
     "prisma": "^7.9.1",
     "ts-node": "^10.9.2",
diff --git a/backend/simulate.js b/backend/simulate.js
new file mode 100644
index 0000000..45ada3c
--- /dev/null
+++ b/backend/simulate.js
@@ -0,0 +1,73 @@
+const { PrismaClient } = require('@prisma/client');
+const { Pool } = require('pg');
+const { PrismaPg } = require('@prisma/adapter-pg');
+const { Client } = require('ssh2');
+
+const pool = new Pool({ connectionString: 'postgresql://saas_user:saas_secure_pass_2026@10.0.1.151:5432/saas_5651?schema=public' });
+const adapter = new PrismaPg(pool);
+const prisma = new PrismaClient({ adapter });
+
+const host = '10.0.1.150';
+const password = '02!Aug2013';
+
+async function generateDeviceVpnConfig(macAddress, vpnIp) {
+  return new Promise((resolve, reject) => {
+    const conn = new Client();
+    const clientName = `device_${macAddress.replace(/:/g, '')}`;
+    
+    const setupScript = `
+      #!/bin/bash
+      cd /etc/openvpn/server
+      
+      # 1. Create client certificate
+      if [ ! -f "easy-rsa/pki/issued/${clientName}.crt" ]; then
+        cd easy-rsa
+        ./easyrsa --batch build-client-full "${clientName}" nopass
+        cd ..
+      fi
+
+      # 2. Assign static IP
+      mkdir -p ccd
+      echo "ifconfig-push ${vpnIp} 255.255.255.0" > "ccd/${clientName}"
+
+      echo "SUCCESS: VPN Config generated for ${clientName} with IP ${vpnIp}"
+    `;
+
+    conn.on('ready', () => {
+      conn.exec(setupScript, (err, stream) => {
+        if (err) return reject(err);
+        stream.on('close', (code) => {
+          conn.end();
+          if (code === 0) resolve(true);
+          else reject(new Error('Script failed with code ' + code));
+        }).on('data', data => console.log('STDOUT: ' + data))
+          .stderr.on('data', data => console.error('STDERR: ' + data));
+      });
+    }).connect({ host, port: 22, username: 'root', password, readyTimeout: 10000 });
+  });
+}
+
+async function runTest() {
+  console.log('--- Starting Test: SaaS E2E Tenant & Device Creation ---');
+  
+  console.log('1. Creating new Tenant: "Test Hotel A.S."');
+  const tenant = await prisma.tenant.create({ data: { name: 'Test Hotel A.S.' } });
+  
+  console.log('2. Allocated VPN IP for new device: 10.10.0.1');
+  const mac = '00:11:22:33:44:55';
+  await prisma.device.create({
+    data: {
+      tenantId: tenant.id,
+      name: 'Test Hotel Gateway',
+      macAddress: mac,
+      vpnIp: '10.10.0.1'
+    }
+  });
+
+  console.log('3. Connecting to VPN Server (10.0.1.150) to generate config...');
+  await generateDeviceVpnConfig(mac, '10.10.0.1');
+  
+  console.log('--- Test Completed ---');
+}
+
+runTest().catch(console.error).finally(() => prisma.$disconnect());
diff --git a/backend/simulate.ts b/backend/simulate.ts
new file mode 100644
index 0000000..1d8f4a5
--- /dev/null
+++ b/backend/simulate.ts
@@ -0,0 +1,59 @@
+import { PrismaClient } from '@prisma/client';
+import { VpnService } from './src/services/VpnService';
+
+const prisma = new PrismaClient();
+const vpnService = new VpnService();
+
+async function runTest() {
+  console.log('--- Starting Test: SaaS E2E Tenant & Device Creation ---');
+  
+  // 1. Create a Tenant
+  console.log('1. Creating new Tenant: "Test Hotel A.S."');
+  const tenant = await prisma.tenant.create({
+    data: { name: 'Test Hotel A.S.' }
+  });
+  console.log(`   Tenant created with ID: ${tenant.id}`);
+
+  // 2. Figure out VPN IP
+  const baseIp = '10.10.0.';
+  const lastDevice = await prisma.device.findFirst({
+    where: { vpnIp: { startsWith: baseIp } },
+    orderBy: { vpnIp: 'desc' }
+  });
+  
+  let nextVpnIp = '10.10.0.1';
+  if (lastDevice && lastDevice.vpnIp) {
+    const lastOctet = parseInt(lastDevice.vpnIp.split('.')[3], 10);
+    nextVpnIp = `${baseIp}${lastOctet + 1}`;
+  }
+  console.log(`2. Allocated VPN IP for new device: ${nextVpnIp}`);
+
+  // 3. Create Device
+  console.log('3. Registering OPNsense device...');
+  const mac = '00:11:22:33:44:55';
+  const device = await prisma.device.create({
+    data: {
+      tenantId: tenant.id,
+      name: 'Test Hotel Gateway',
+      macAddress: mac,
+      vpnIp: nextVpnIp,
+      opnsenseUrl: 'https://192.168.1.1',
+      apiKey: 'testkey',
+      apiSecret: 'testsecret'
+    }
+  });
+  console.log(`   Device registered successfully with MAC: ${mac}`);
+
+  // 4. Trigger VPN Generation
+  console.log('4. Connecting to VPN Server (10.0.1.150) via SSH to generate .ovpn config...');
+  try {
+    await vpnService.generateDeviceVpnConfig(mac, nextVpnIp);
+    console.log('   SUCCESS! .ovpn file and ccd config created on VPN server.');
+  } catch (e: any) {
+    console.error('   FAILED to generate VPN config:', e.message);
+  }
+
+  console.log('--- Test Completed ---');
+}
+
+runTest().catch(e => console.error(e)).finally(() => prisma.$disconnect());
diff --git a/backend/src/routes/deviceRoutes.ts b/backend/src/routes/deviceRoutes.ts
index 00ad3e1..6e522d4 100644
--- a/backend/src/routes/deviceRoutes.ts
+++ b/backend/src/routes/deviceRoutes.ts
@@ -1,8 +1,10 @@
 import { Router } from 'express';
 import { PrismaClient } from '@prisma/client';
+import { VpnService } from '../services/VpnService';
 
 const router = Router();
 const prisma = new PrismaClient();
+const vpnService = new VpnService();
 
 // Helper to generate a VPN IP for a new device
 async function getNextVpnIp(): Promise<string> {
@@ -55,8 +57,14 @@ router.post('/', async (req, res) => {
       },
     });
 
-    // TODO: Actually trigger OpenVPN config generation via SSH or scripts to the VPN Server (10.0.1.150)
-    // generateVpnConfig(nextVpnIp, macAddress);
+    // Trigger OpenVPN config generation via SSH to the VPN Server (10.0.1.150)
+    try {
+      await vpnService.generateDeviceVpnConfig(macAddress, nextVpnIp);
+      console.log(`Successfully generated VPN config for ${macAddress} at ${nextVpnIp}`);
+    } catch (vpnErr) {
+      console.error('Failed to generate VPN config:', vpnErr);
+      // We don't fail the API request entirely, but log the error
+    }
 
     res.status(201).json(newDevice);
   } catch (error) {
diff --git a/backend/src/services/VpnService.js b/backend/src/services/VpnService.js
new file mode 100644
index 0000000..527b3a1
--- /dev/null
+++ b/backend/src/services/VpnService.js
@@ -0,0 +1,88 @@
+import { Client } from 'ssh2';
+export class VpnService {
+    host;
+    password;
+    constructor() {
+        this.host = '10.0.1.150'; // VPN Server IP
+        this.password = '02!Aug2013'; // Root password
+    }
+    /**
+     * Automatically generates an OpenVPN client config on the VPN server
+     * and allocates the static VPN IP in the OpenVPN ccd directory.
+     */
+    async generateDeviceVpnConfig(macAddress, vpnIp) {
+        return new Promise((resolve, reject) => {
+            const conn = new Client();
+            // Clean up the MAC address to use as a client name (remove colons)
+            const clientName = `device_${macAddress.replace(/:/g, '')}`;
+            // The shell script to run on the VPN Server (10.0.1.150)
+            const setupScript = `
+        #!/bin/bash
+        cd /etc/openvpn/server
+        
+        # 1. Create client certificate if it doesn't exist
+        if [ ! -f "easy-rsa/pki/issued/\${clientName}.crt" ]; then
+          cd easy-rsa
+          ./easyrsa build-client-full "\${clientName}" nopass
+          cd ..
+        fi
+
+        # 2. Assign static IP in ccd (Client Config Directory)
+        mkdir -p ccd
+        echo "ifconfig-push \${vpnIp} 255.255.255.0" > "ccd/\${clientName}"
+
+        # 3. Generate client .ovpn file
+        cat <<EOF > "/root/\${clientName}.ovpn"
+client
+dev tun
+proto tcp
+remote 10.0.1.150 1194
+resolv-retry infinite
+nobind
+persist-key
+persist-tun
+ca ca.crt
+cert \${clientName}.crt
+key \${clientName}.key
+remote-cert-tls server
+cipher AES-256-CBC
+verb 3
+EOF
+        
+        echo "SUCCESS: VPN Config generated for \${clientName} with IP \${vpnIp}"
+      `;
+            conn.on('ready', () => {
+                conn.exec(setupScript, (err, stream) => {
+                    if (err) {
+                        conn.end();
+                        return reject(err);
+                    }
+                    let output = '';
+                    stream.on('close', (code, signal) => {
+                        conn.end();
+                        if (code === 0) {
+                            resolve(true);
+                        }
+                        else {
+                            reject(new Error(`VPN Script failed with code ${code}. Output: ${output}`));
+                        }
+                    }).on('data', (data) => {
+                        output += data.toString();
+                        console.log('STDOUT: ' + data);
+                    }).stderr.on('data', (data) => {
+                        output += data.toString();
+                        console.error('STDERR: ' + data);
+                    });
+                });
+            }).on('error', (err) => {
+                reject(err);
+            }).connect({
+                host: this.host,
+                port: 22,
+                username: 'root',
+                password: this.password,
+                readyTimeout: 10000
+            });
+        });
+    }
+}
diff --git a/backend/src/services/VpnService.ts b/backend/src/services/VpnService.ts
new file mode 100644
index 0000000..ce01031
--- /dev/null
+++ b/backend/src/services/VpnService.ts
@@ -0,0 +1,94 @@
+import { Client } from 'ssh2';
+
+export class VpnService {
+  private host: string;
+  private password: string;
+
+  constructor() {
+    this.host = '10.0.1.150'; // VPN Server IP
+    this.password = '02!Aug2013'; // Root password
+  }
+
+  /**
+   * Automatically generates an OpenVPN client config on the VPN server
+   * and allocates the static VPN IP in the OpenVPN ccd directory.
+   */
+  async generateDeviceVpnConfig(macAddress: string, vpnIp: string): Promise<boolean> {
+    return new Promise((resolve, reject) => {
+      const conn = new Client();
+      
+      // Clean up the MAC address to use as a client name (remove colons)
+      const clientName = `device_${macAddress.replace(/:/g, '')}`;
+      
+      // The shell script to run on the VPN Server (10.0.1.150)
+      const setupScript = `
+        #!/bin/bash
+        cd /etc/openvpn/server
+        
+        # 1. Create client certificate if it doesn't exist
+        if [ ! -f "easy-rsa/pki/issued/\${clientName}.crt" ]; then
+          cd easy-rsa
+          ./easyrsa build-client-full "\${clientName}" nopass
+          cd ..
+        fi
+
+        # 2. Assign static IP in ccd (Client Config Directory)
+        mkdir -p ccd
+        echo "ifconfig-push \${vpnIp} 255.255.255.0" > "ccd/\${clientName}"
+
+        # 3. Generate client .ovpn file
+        cat <<EOF > "/root/\${clientName}.ovpn"
+client
+dev tun
+proto tcp
+remote 10.0.1.150 1194
+resolv-retry infinite
+nobind
+persist-key
+persist-tun
+ca ca.crt
+cert \${clientName}.crt
+key \${clientName}.key
+remote-cert-tls server
+cipher AES-256-CBC
+verb 3
+EOF
+        
+        echo "SUCCESS: VPN Config generated for \${clientName} with IP \${vpnIp}"
+      `;
+
+      conn.on('ready', () => {
+        conn.exec(setupScript, (err, stream) => {
+          if (err) {
+            conn.end();
+            return reject(err);
+          }
+          
+          let output = '';
+          stream.on('close', (code: any, signal: any) => {
+            conn.end();
+            if (code === 0) {
+              resolve(true);
+            } else {
+              reject(new Error(`VPN Script failed with code ${code}. Output: ${output}`));
+            }
+          }).on('data', (data: any) => {
+            output += data.toString();
+            console.log('STDOUT: ' + data);
+          }).stderr.on('data', (data: any) => {
+            output += data.toString();
+            console.error('STDERR: ' + data);
+          });
+        });
+      }).on('error', (err) => {
+        reject(err);
+      }).connect({
+        host: this.host,
+        port: 22,
+        username: 'root',
+        password: this.password,
+        readyTimeout: 10000
+      });
+    });
+  }
+}
diff --git a/backend/tsconfig.json b/backend/tsconfig.json
new file mode 100644
index 0000000..cec4a3a
--- /dev/null
+++ b/backend/tsconfig.json
@@ -0,0 +1,44 @@
+{
+  // Visit https://aka.ms/tsconfig to read more about this file
+  "compilerOptions": {
+    // File Layout
+    // "rootDir": "./src",
+    // "outDir": "./dist",
+
+    // Environment Settings
+    // See also https://aka.ms/tsconfig/module
+    "module": "nodenext",
+    "target": "esnext",
+    "types": [],
+    // For nodejs:
+    // "lib": ["esnext"],
+    // "types": ["node"],
+    // and npm install -D @types/node
+
+    // Other Outputs
+    "sourceMap": true,
+    "declaration": true,
+    "declarationMap": true,
+
+    // Stricter Typechecking Options
+    "noUncheckedIndexedAccess": true,
+    "exactOptionalPropertyTypes": true,
+
+    // Style Options
+    // "noImplicitReturns": true,
+    // "noImplicitOverride": true,
+    // "noUnusedLocals": true,
+    // "noUnusedParameters": true,
+    // "noFallthroughCasesInSwitch": true,
+    // "noPropertyAccessFromIndexSignature": true,
+
+    // Recommended Options
+    "strict": true,
+    "jsx": "react-jsx",
+    "verbatimModuleSyntax": true,
+    "isolatedModules": true,
+    "noUncheckedSideEffectImports": true,
+    "moduleDetection": "force",
+    "skipLibCheck": true,
+  }
+}