Some campus and corporate networks, VPNs, and firewalls will by default block traffic for Gather video calls. If you are using a campus or corporate network, VPN or firewall, and are having trouble accessing Gather, you can try the following actions to fix it:
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Disable your VPN or Firewall
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Visit your VPN provider's support website and try different connection options
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Change your connection to a different server or network if your VPN will allow you to do so
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Ask your network administrator to unblock the following endpoints, which we use to provide video calls on Gather:
| Service | Host | Ports | Explanation |
| Gather router | *.gather.town | 80, 443 TCP | There are several services on the gather.town domain that are required for proper functionality, including the Gather API server and video backend. |
| Gather Video Servers | 15.197.182.181, 3.33.230.94, 75.2.45.159, 99.83.199.65, 52.223.40.143, 76.223.65.83 | 1025-65535 UDP | These IPs/Ports are required for maintaining connections with Gather's global video servers. |
| Cloudflare |
2a06:98c1:3200::1/128 141.101.90.1/32 |
3478 UDP/TCP (STUN over UDP, TURN over UDP, TURN over TCP) 5349 TCP (TURN over TLS) |
We use Cloudflare to accommodate firewalls and restrictive networks. |
| Twilio | See Twilio's Knowledge Base for hosts in your region |
443 TCP (TURN TLS) Note that you do not need to allow traffic on UDP ports 10000-60000, we only need the three mentioned ports. |
We use Twilio to accommodate firewalls and restrictive networks. Instructions for unblocking their IP addresses in your region are available on Twilio's Knowledge Base. |
| Sendbird | *.sendbird.com |
443 |
We use SendBird to facilitate our chat system. We need to ensure you can reach SendBird's servers. |
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