Blocked Ports

In an effort to further secure the Western network, we are continually shutting down access to potentially sensitive network ports.

Currently, the following ports are blocked by default:

PortService Name
3389 Remote Desktop Protocol
5631 PCAnywhere Data
5632 PCAnywhere Comms
5900 VNC
6667 Internet Relay Chat (irc)

Ports 1-1023 are also blocked by default, with the following exceptions:

PortService Name
20 ftp-data
21 ftp
22 ssh
25 smtp
27 ssh-preferred
53 domain
69 tftp
80 http
109 pop2
110 pop3
123 ntp
143 imap
220 imap3
389 ldap
443 https
444 snpp
465 smtps
500 isakmp
548 afpovertcp
554 rtsp
587 submission
636 ldaps
993 imaps
995 pop3s

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