User guide

Using Diagnostic Tools
Chapter 17: Maintenance 353
host
PURPOSE
The host element captures all incoming and outgoing packets for a specific computer.
S
YNTAX
host host
PARAMETERS
host
IP Address or String. The computer to/from which the packet
is sent. This can be the following:
• An IP address
• A host name
EXAMPLE
The following filter string saves all packets that either originated from IP address
192.168.10.1, or are destined for that same IP address:
host 192.168.10.1
not
PURPOSE
The not element is used to negate filter string elements.
S
YNTAX
not element
! element
P
ARAMETERS
element
String. A filter string element.
EXAMPLE
The following filter string saves packets that are not destined for port 80:
not dst port 80