</font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial"> Follow the logic on that one? Any firewall can only record MD5 information the first time an application is executed after installation. It then compares all future instances of that program against the original MD5.
</font><hr /></blockquote><font size="2" face="Verdana, Arial"><img border="0" alt="[Nod]" title="" src="graemlins/nod.gif" /> Of course if your Application has already been patched by some nefarious piece of software before installing a firewall an MD5 check will not detect it, unless it had a database of MD5 checks for popular internet applications to compare against.