R3721-F3210-F3171-HP High-End Firewalls Attack Protection Configuration Guide-6PW101

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Figure 94 Content filtering statistics
Configuration guidelines
1. Wildcard usage in URL hostname filtering keywords:
{ The caret (^) matches the beginning of the string. It can be used only once in a keyword and
must be at the beginning.
{ The dollar sign ($) matches the end of the string. It can be used only once in a keyword and
must be at the end.
{ The ampersand sign (&) matches a single character other than dot (.) and space. It can be used
for multiple times in a keyword, consecutively or non-consecutively. It can appear at any
position of a keyword, but cannot be used next to *.
{ The asterisk (*) matches any number of characters excluding dot (.). It can be used only once
in a keyword and must be at the beginning or in the middle. It cannot be used at the end or next
to ^ or $.