Appendix A Expressions Reference 225
General Expressions
> Boolean.
Returns TRUE if the current expression evaluates
to a number that is greater than the argument.
< Boolean.
Returns TRUE if the current expression evaluates
to a number that is less than the argument.
>= Boolean.
Returns TRUE if the current expression evaluates
to a number that is greater than or equal to the
argument.
<= Boolean.
Returns TRUE if the current expression evaluates
to a number that is less than or equal to the
argument.
Expression Element Definition
REQ Flow Type.
Operates on incoming (or request) packets.
REQ.HTTP Protocol
Operates on HTTP requests.
REQ.HTTP.METHOD Qualifier
Designates the HTTP method.
REQ.HTTP.URL Qualifier
Designates the URL.
REQ.HTTP.URLTOKENS Qualifier
Designates the URL token.
REQ.HTTP.VERSION Qualifier
Designates the HTTP version.
REQ.HTTP.HEADER Qualifier
Designates the HTTP header.
REQ.HTTP.URLLEN Qualifier
Designates the number of characters in the URL.
REQ.HTTP.URLQUERY Qualifier
Designates the query portion of the URL.
Expression Element Definition