Blocked Ports

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

The following ports are blocked by default:

3389 - Remote Desktop Protocol

5631 - PCAnywhere Data

5632 - PCAnywhere Comms

5900 - VNC

6667 - Internet Relay Chat (irc)

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

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 - isakmp

548 - afpovertcp

554 - rtsp

587 - submission

636 - ldaps

993 - imaps

995 - pop3s


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