Re: Block google page cache at firewall?

Volker Birk wrote:
> Secure Buddha <securebuddha@gmail.com> wrote:
> > Something such as:
> > \x[:printxdigit:][:printxdigit:]([:printxdigit:])?
>
> You mean %, not \x, because this is an URL?

Actually, the regex engine does utilize the "\x" string to identify a
wide hexadecimal character representation by concatentating the "\x"
string with up to three hexadecimal digits. Depending on representation
value only two digits may be utilized. Hence that is why the final
digit specification is set as optional.

Here's the faq on the regex specific extensions:
http://perldoc.perl.org/perlre.html#Regular-Expressions

Or at least that is according to the documentation. ;)

>
> One has to be clever to find out all possible combinations for only
> blocking google cache:
>

Very true. That is why i think it is best to set a user-defined chain
for only the regex rules.
Received on Mon May 1 01:06:15 2006