Firewall Service Viewing the predefined service list
FortiGate Version 4.0 Administration Guide
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SIP Session Initiation Protocol. SIP allows audiovisual
conferencing data to be transmitted across
networks. For more information, see the FortiGate
SIP Support Technical Note.
UDP 5060
SIP-
MSNmessenger
Session Initiation Protocol used by Microsoft
Messenger to initiate an interactive, possibly
multimedia session.
TCP 1863
SMTP Simple Mail Transfer Protocol. SMTP is used for
sending email messages between email clients and
email servers, and between email servers.
TCP 25
SMTPS SMTP with SSL. Used for sending email messages
between email clients and email servers, and
between email servers securely. SMTPS is only
available on FortiGate units that support SSL
content scanning and inspection.
TCP 465
SNMP Simple Network Management Protocol. SNMP can
be used to monitor and manage complex networks.
TCP 161-162
UDP 161-162
SOCKS SOCKetS. SOCKS is an Internet protocol that
allows client-server applications to transparently
use the services of a network firewall.
TCP 1080
UDP 1080
Table 43: Predefined services (Continued)
Service name Description IP Protocol Port
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