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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 ports on taurine
  • Ports 60000–61000 (Mosh)
  • Ports 28000-28500 (TCP/UDP general use)


caffeine has ports 80 and 443 open


Mail has ports 80, 443, 143, 993, 25, 587 open


Mirror has 21 (ftp), 80, 443, 873 (rsync) open.

Adding Exceptions

The CSC systems committee can request additional exceptions by emailing