Firewall

Our networks are behind the University's Campus firewall. This means that traffic to us is automatically dropped at the edge of campus unless we have exceptions added for it.

Current Exceptions

Office Terminals

No exceptions in the campus firewall.

General Use

• Port 22 (SSH), plus additional SSH ports on taurine (21, 53, 80, 81, 443, 8000, 8080)
• Ports 60000–61000 (Mosh)
• Ports 28000-28500 (TCP/UDP general use)

Webserver

• caffeine has ports 22 (SSH), 80 (HTTP), 443 (HTTPS), 11068 (HTTP for rridge) and UDP 60000–61000 (Mosh)
• wiki has ports 80 (HTTP) and 443 (HTTPS)
• git has ports 80 (HTTP) and 443 (HTTPS)

Mail

• mail has ports 25 (SMTP), 80 (HTTP), 143 (IMAP), 443 (HTTPS), 587 (MAIL SUBMISSION), 993 (IMAPS)
• mailman has ports 80 (HTTP) and 443 (HTTPS)

Mirror

• mirror has ports 21 (FTP), 22 (SSH), 80 (HTTP), 443 (HTTPS), 873 (RSYNC)

IPv6 Test

• ds.test-ipv6, mtu1280.test-ipv6 have ports 80 (HTTP), 443 (HTTPS)
• v6ns1.test-ipv6 has port 53 (DNS)

Cloud

• load-balancer: 22 (SSH), 80 (HTTP) and 443 (HTTPS)
• load-balancer.cloud: 80 (HTTP) and 443 (HTTPS)
• object.cloud.csclub: 80 (HTTP) and 443 (HTTPS)

BigBlueButton

• bbb has TCP ports 80 (HTTP) and 443 (HTTPS)
• bbb has UDP ports 16384 - 32768 (for WebRTC)

Other Web Services

rt, munin, prometheus

• 80 (HTTP) and 443 (HTTPS)

Adding Exceptions

The CSC systems committee can request additional exceptions by emailing rt-ist-iss-firewall at rt dot uwaterloo dot ca