# Api, Chat and Agent error connecting trough proxy **URL:** \ **Category:** Bug Reports\ **Created:** [June 30, 2026, 9:28am UTC](https://forum.cursor.com/t/api-chat-and-agent-error-connecting-trough-proxy/164416 "2026-06-30T09:28:20Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Hamed\_Hadian](https://avatars.discourse-cdn.com/v4/letter/h/bbce88/32.png) [@Hamed\_Hadian](https://forum.cursor.com/u/Hamed_Hadian)\ **Post date:** [June 30, 2026, 9:28am UTC](https://forum.cursor.com/t/api-chat-and-agent-error-connecting-trough-proxy/164416/1 "2026-06-30T09:28:21Z")
### Where does the bug appear (feature/product)? Cursor IDE ### Describe the Bug i’ve problem in newer version 3.9.16 with connection trough proxy, seems the connection doesn’t goes trough anymore which result to error : Cursor Network Diagnostic Results FAILED (5): SSL, API, Ping, Chat, Agent DNS: Success Logs: [2026-06-30T09:21:53.070Z] Host: api2.cursor.sh [2026-06-30T09:21:53.070Z] Servers: 192.168.155.38,192.168.155.36 [2026-06-30T09:21:53.070Z] Resolved to 100.51.80.46 in 1ms [2026-06-30T09:21:53.164Z] Resolved to 100.51.80.46 in 94ms [2026-06-30T09:21:53.167Z] Resolved to 100.51.80.46 in 1ms [2026-06-30T09:21:53.167Z] Resolved to 100.51.80.46 in 0ms [2026-06-30T09:21:53.187Z] Host: api2.cursor.sh [2026-06-30T09:21:53.187Z] Servers: system [2026-06-30T09:21:53.187Z] Resolved to 34.197.247.23, 100.51.80.46, 34.198.42.18, 32.197.70.219, 23.20.96.163, 54.92.228.128, 54.236.191.220, 34.236.52.0 in 6ms [2026-06-30T09:21:53.190Z] Resolved to 34.197.247.23, 100.51.80.46, 34.198.42.18, 32.197.70.219, 23.20.96.163, 54.92.228.128, 54.236.191.220, 34.236.52.0 in 0ms [2026-06-30T09:21:53.191Z] Resolved to 34.197.247.23, 100.51.80.46, 34.198.42.18, 32.197.70.219, 23.20.96.163, 54.92.228.128, 54.236.191.220, 34.236.52.0 in 0ms [2026-06-30T09:21:53.192Z] Resolved to 34.197.247.23, 100.51.80.46, 34.198.42.18, 32.197.70.219, 23.20.96.163, 54.92.228.128, 54.236.191.220, 34.236.52.0 in 0ms [2026-06-30T09:21:53.192Z] Result: true SSL: Error: read ECONNRESET Logs: [2026-06-30T09:21:53.047Z] Start [2026-06-30T09:21:53.382Z] Error: read ECONNRESET in 335ms API: Error: [aborted] read ECONNRESET Logs: [2026-06-30T09:21:53.049Z] Start [2026-06-30T09:21:53.502Z] Error: ConnectError: [aborted] read ECONNRESET Ping: Error: [aborted] read ECONNRESET Logs: [2026-06-30T09:21:53.049Z] Sending ping 1 [2026-06-30T09:21:53.502Z] Error: ConnectError: [aborted] read ECONNRESET Chat: Error: [aborted] read ECONNRESET Logs: [2026-06-30T09:21:53.050Z] Starting streamSSE [2026-06-30T09:21:53.501Z] Error: ConnectError: [aborted] read ECONNRESET Agent: Error: [aborted] read ECONNRESET Logs: [2026-06-30T09:21:53.050Z] Starting stream [2026-06-30T09:21:53.051Z] Pushing first message [2026-06-30T09:21:53.500Z] Error: ConnectError: [aborted] read ECONNRESET ### Steps to Reproduce also i’ve tested on many clients and tried a few proxies with same result ### Expected Behavior it expected to connect via proxy and network test results successful ### Operating System Windows 10/11 ### Version Information Version: 3.9.16 (user setup) VS Code Extension API: 1.105.1 Commit: 042b3c1a4c53f2c3808067f519fbfc67b72cad80 Date: 2026-06-27T06:41:01.941Z Layout: editor Build Type: Stable Release Track: Default Electron: 40.10.3 Chromium: 144.0.7559.236 Node.js: 24.15.0 V8: 14.4.258.32-electron.0 xterm.js: 6.1.0-beta.256 OS: Windows\_NT x64 10.0.26200 ### Does this stop you from using Cursor Yes - Cursor is unusable ---
**Author:** ![Colin](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/colin/32/90452_2.png) [@Colin](https://forum.cursor.com/u/Colin)\ **Post date:** [July 1, 2026, 10:39am UTC](https://forum.cursor.com/t/api-chat-and-agent-error-connecting-trough-proxy/164416/3 "2026-07-01T10:39:54Z")
3 posts were merged into an existing topic: [[Bug] always-local-singleton ignores http.proxy and server overrides cursor.general.disableHttp2](https://forum.cursor.com/t/bug-always-local-singleton-ignores-http-proxy-and-server-overrides-cursor-general-disablehttp2/164325) ---
**Author:** ![Colin](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/colin/32/90452_2.png) [@Colin](https://forum.cursor.com/u/Colin)\ **Post date:** [July 1, 2026, 10:39am UTC](https://forum.cursor.com/t/api-chat-and-agent-error-connecting-trough-proxy/164416/4 "2026-07-01T10:39:59Z")