A.5 Internet Agent Port Numbers

Protocol

Default Port Number

TCP/UDP

SSL Available?

Description

MTP

0 or 7102

TCP

Yes

Message Transfer Protocol

Communication between the GWIA and the MTA

The default port number of 0 (zero) configures a direct connection between the GWIA and the MTA, rather than using TCP/IP. Port number 7102 is an example of an administrator-defined MTP port number for a TCP/IP connection.

HTTP

9850

TCP

Yes

Hypertext Transfer Protocol

GWIA console

Section 32.1, Using the GWIA Console

SMTP

25

TCP/UDP

Yes

Simple Mail Transfer Protocol

Communication between the GWIA and email systems across the Internet

Section 30.0, Configuring SMTP/MIME Services

POP

POP SSL

110

995

TCP/UDP

Yes

Post Office Protocol

Communication between the GWIA POP email clients

Section 31.0, Configuring POP3/IMAP4 Services

IMAP

IMAP SSL

143

993

TCP/UDP

No

Yes

Internet Message Access Protocol

Communication between the GWIA and IMAP clients such as such as Gmail and Hotmail

Section 31.0, Configuring POP3/IMAP4 Services

SNMP

161

TCP/UDP

No

Simple Network Management Protocol

Communication between the GWIA and an SNMP management console

Section 17.5, Using an SNMP Management Console