Overview
Application-default ports are the default destination ports used by various application and are commonly used in configuring security-policies.
Details
The following command is used to determine the application-default ports for any application:
# show predefined application <application>
In the example below, the default destination ports used by gmail-base is displayed in the default section:
> configure
Entering configuration mode
[edit]
# show predefined application gmail-base
gmail-base {
ottawa-name gmail;
category collaboration;
subcategory email;
technology browser-based;
description "Gmail is a free, advertising-supported email service provided by Google. Users may access Gmail as secure webmail, as well as via POP3 or IMAP4 protocols.";
alg no;
appident yes;
virus-ident yes;
spyware-ident yes;
file-type-ident yes;
vulnerability-ident yes;
evasive-behavior no;
consume-big-bandwidth no;
used-by-malware yes;
able-to-transfer-file yes;
has-known-vulnerability yes;
tunnel-other-application yes;
prone-to-misuse no;
pervasive-use yes;
per-direction-regex no;
timeout 1800;
deny-action drop-reset;
data-ident yes;
run-decoder no;
cachable no;
file-forward yes;
references {
Wikipedia {
link http://en.wikipedia.org/wiki/Gmail;
}
}
default {
port tcp/80,443,993,995,465,587;
}
use-applications [ imap pop3 smtp ssl web-browsing];
tunnel-applications [ gmail-chat gmail-drive gmail-enterprise google-buzz google-talk-base];
implicit-use-applications web-browsing;
applicable-decoders http;
risk 4;
application-container gmail;
}
The same information can be found on the Web UI. Navigate to Objects > Applications.
The screenshot below shows the ports for gmail-base, as the Standard Ports values:

owner: sdurga