From: "Vincent Bray" <noodlet@xxxxxxxxx> Reply-To: users@xxxxxxxxxxxxxxxx To: users@xxxxxxxxxxxxxxxx, orvilleg@xxxxxxxxxxx Subject: Re: mod_rewrite or mod_access Date: Sat, 25 Aug 2007 22:38:58 +0700 On 25/08/07, Jack Stone <antennex@xxxxxxxxxxx> wrote: > We still use MSFrontPage on certain sites and was wondering how best to> block visitors who use FP in attempts to abuse the sites, BUT, not block our> own valid users? >> Figured best to use mod_rewrite or mod_access for this purpose, but unsure> of the syntax to use on those vhost containers where we may have the > conflicts. >> Sorry, I have not mastered these mods yet. Any help would be appreciated.> > Below are some such intrusive attempts: > > 59.104.234.123 - - [25/Aug/2007:07:44:31 -0700] "POST > /_vti_bin/shtml.exe/_vti_rpc HTTP/1.1" 200 228 "-" "MSFrontPage/6.0" > 59.104.234.123 - - [25/Aug/2007:07:44:32 -0700] "POST > /_vti_bin/shtml.exe/_vti_rpc HTTP/1.1" 200 154 "-" "MSFrontPage/6.0" > 59.104.234.123 - - [25/Aug/2007:07:44:33 -0700] "POST > /_vti_bin/_vti_aut/author.exe HTTP/1.1" 401 531 "-" "MSFrontPage/6.0" > 59.104.234.123 - - [25/Aug/2007:07:45:18 -0700] "POST > /_vti_bin/shtml.exe/_vti_rpc HTTP/1.1" 200 141 "-" "MSFrontPage/6.0" > 59.104.234.123 - - [25/Aug/2007:07:45:21 -0700] "POST > /_vti_bin/_vti_aut/author.exe HTTP/1.1" 401 531 "-" "MSFrontPage/6.0" > 59.104.234.123 - - [25/Aug/2007:07:46:23 -0700] "POST > /_vti_bin/_vti_aut/author.exe HTTP/1.1" 401 531 "-" "MSFrontPage/6.0" Either should work. First with mod_access (as it is in 2.0) <Location /_vti_bin/_vti_aut/author.exe> Deny from all </Location> .. or fancier .. <LocationMatch ^/_vti_bin/_vti_(evil|regex)> Deny from all </LocationMatch> Or with mod_rewrite: RewriteEngine On RewriteCond %{REMOTE_ADDR} !^trusted.host.pattern$ RewriteRule ^/_vti - [F] This basically says, if the address looks like some frontpage nonsense and the client isn't coming from a known address, don't change the URL (the - part), and forbid [F] the request. You can probably get fancier still with mod_security, where fancy includes stuff like time based abuse escallation, and just about any conceivable formula based on the request (including any entity bodies, which mod_rewrite can't see). Good luck. -- noodl
Noodl:Thanks for those suggestions. Used the mod_rewrite one and seems to be doing the trick. The use of Frontpage attempts doesn't happen very often and so hard to test, except I see searches now getting 403s (forbidden) and I can load up from my trusted IP without any problem.
Jack _________________________________________________________________Puzzles, trivia teasers, word scrambles and more. Play for your chance to win! http://club.live.com/home.aspx?icid=CLUB_hotmailtextlink
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