User guide

CHAPTER 3: Services and Ports
30 WatchGuard Firebox System 6.0
Well-Known Services List
In addition to the ports used by services described above, WatchGuard
maintains a list of well-known services. Because software developers
regularly add new services, this does not represent a comprehensive list
of all possible services. For more information, see J. Reynolds and J.
Postel, Assigned Numbers, RFC1700, available at these Web sites:
http://www.cis.ohio-state.edu/htbin/rfc/rfc1700.html
http://www.iana.org/assignments/port-numbers
If you would like to recommend additions to this list, please send them to:
[e-mail].
Port # Protocol Purpose
135 TCP Client/Server
Communications
135 TCP Exchange Administrator
143 TCP IMAP
993 TCP IMAP (SSL)
389 TCP LDAP
636 TCP LDAP (SSL)
102 TCP MTA - X.400 over TCP/IP
110 TCP POP3
995 TCP POP3 (SSL)
135 TCP RCP
25 TCP SMTP
119 TCP NNTP
563 TCP NNTP (SSL)