User Manual Part 2

Using Diagnostic Tools
Chapter 23: Maintenance 715
PARAMETERS
port
Integer. The port from which the packet is sent.
EXAMPLE
The following filter string saves packets that originated from port 80:
src port 80
tcp
PURPOSE
The tcp element captures all TCP packets. This element can be prepended to port-related
elements.
Note: When not prepended to other elements, the
tcp element is the equivalent of
ip proto tcp.
SYNTAX
tcp
tcp element
P
ARAMETERS
element
String. A port-related filter string element that should be
restricted to saving only TCP packets. This can be the
following:
•
dst port - Capture all TCP packets destined
for a specific port.
• port - Capture all TCP packets originating from
or destined for a specific port.
• src port - Capture all TCP packets originating
from a specific port.