User guide

Using Diagnostic Tools

744 Check Point Safe@Office User Guide

Filter String Syntax

The following represents a list of basic filter string elements:

• and on page 744

• dst on page 745

• dst port on page 745

• ether proto on page 746

• host on page 747

• not on page 747

• or on page 748

• port on page 748

• src on page 749

• src port on page 749

• tcp on page 750

• udp on page 751

For detailed information on filter syntax, refer to http://www.tcpdump.org.

and

PURPOSE

The and element is used to concatenate filter string elements. The filtered packets must

match all concatenated filter string elements.

YNTAX

element and element [and element...]

element && element [&& element...]

ARAMETERS

element

String. A filter string element.