# Garry's Mod Server Won't Connect – Port 27015, SRCDS & Workshop

GMod server – connection failed? Port 27015, workshop addons, sv_lan & firewall – Garry's Mod dedicated server troubleshooting.

**Quick answer:** GMod connection issues: **port 27015**, `sv_lan 0`, workshop addons and enough **startup time** (addons load 2–5 min).

**If you landed here:** Garry's Mod shows "Connection failed", "Server not responding" or hangs on loading.

## Related

- [Install GMod server](/en/gameserver/garrys-mod/install)
- [Common GMod errors](/en/gameserver/garrys-mod/common-errors-and-how-to-fix-them)