On Fri, 15 Oct 2010, Tony Graziano wrote:
> Take whatever approach you want, but I simply asked if there
> was a way to obfuscate sip: uri on the harvestable
> lists/forums at sipfoundry. The inability to harvest this
> data is the first step to prevent (as in prevent, mitigate,
> harden).
>
> Obfuscation is technically feasible or not?
The list software is mailman. From the headers:
X-Mailman-Version: 2.1.9
running on a Postfix MTA. From the headers:
list.sipfoundry.org (Postfix)
and as such, message header and body mungeing according to
regular expressions are possible with:
procmail
I've done so at the request of a mailing list I ran for a
group, in the past adding a 'profanity munger' that changed
the various offensive forms into mild ones such as:
shoot, fudge, and jeepers
Writing a regex to ID a URL is straightforward and mungeing
that URL also a matter of a single 'filtering recipe' in the:
/etc/procmailrc
file.
A Google search using:
profanity filter procmail
provides several worked examples
-- Russ herrold
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