[Mimedefang] Dot com dot something

Joseph Brennan brennan at columbia.edu
Mon Aug 30 15:53:37 EDT 2010

Staring at this:

$re = '\.' . $bad_exts . '\.*$';

This catches harmless example.com.pdf and more complicated things.

I have forgotten what evil can be done with a trailing dot, but before
I commit foolishness by changing $re, I thought I'd ask.

Joseph Brennan
Columbia University Information Technology

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