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
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