Obsolete as of August 2013
Our firewall service has been shut down and replaced with router-based ACLs.
Firewall quick reference
The alleged definitive statement on firewall zone organization is presently located at
http://www.cs.uwaterloo.ca/cscf/old/policies/firewall. It is, however, obsolete as of January 2010.
Zone ID |
Description |
Networks |
-1 |
not firewalled |
172.19.0.0/20, 129.97.{74, 75, 78, 79}/24, 10.15.0.0/20 |
0 |
CSCF internal, few restrictions |
172.19.16.0/20, 129.97.15.0/24, 10.15.16.0/20 |
1 |
CS public servers |
172.19.32.0/20, 129.97.152.0/24, 10.15.32.0/20 |
2 |
thin clients, allows remote-access protocols |
172.19.48.0/20, 129.97.59.0/25, 10.15.48.0/20 |
3 |
teaching workstations, no inbound traffic |
172.19.64.0/20, 129.97.51.0/24, 129.97.59.128/25, 10.15.64.0/20 |
4 |
office workstations, allows SSH & RDP |
172.19.80.0/20, 129.97.{84, 168, 169}.0/24, 129.97.170.0/23, 10.15.80.0/20 |
5 |
research computers, unrestricted outbound (stateful), inbound customizable |
172.19.96.0/20, 129.97.7.0/24, 10.15.96.0/20 |