Re: [squid-users] Mod-security blocking my proxy server

From: Tek Bahadur Limbu <teklimbu@dont-contact.us>
Date: Tue, 13 Mar 2007 13:53:30 +0545

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Tue, 13 Mar 2007 15:54:03 +0800
Adrian Chadd <adrian@creative.net.au> wrote:

> On Tue, Mar 13, 2007, Tek Bahadur Limbu wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Dear All,
> >
> > A domain hosting site running mod-security is blocking one of my
> > proxy server. They have provided me the following security logs for
> > the reason.
> >
> > Note: I have modified the site and IP of my proxy server.
> >
> > Does the logs below mean that some of my clients are abusing my
> > proxy server?
>
> Yup. Well, either that, or one of your clients has a hacked machine
> which is then issueing thse silly scripting vulnerabilities in the
> URI.
>
> Either way, figure out what your client is doing.

Thanks Adrian for your quick reply. I will further investigate the
offending client.

>
>
>
> Adrian
>
> >
> >
> > [Fri Mar 9 01:24:26 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match "<script"
> > at THE_REQUEST [hostname "somesite.com"] [uri
> > "/pressrelease_details.php?id=>'><ScRiPt%20%0a%0d>alert(121446072)%
> > 3B</S
> > cRiPt>"]
> >
> > [Fri Mar 9 01:24:27 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match "<script"
> > at THE_REQUEST [hostname "somesite.com"] [uri
> > "/pressrelease_details.php?id=</title><ScRiPt%20%0a%0d>alert
> > (1853475877) %3B</ScRiPt>"]
> >
> > [Fri Mar 9 01:24:29 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match "<script"
> > at THE_REQUEST [hostname "somesite.com"] [uri
> > "/pressrelease_details.php?id=>\\"><ScRiPt%20%0a%0d>alert
> > (1640807322)%3B </ScRiPt>"]
> >
> > [Fri Mar 9 01:24:30 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match
> > "<[[:space:]]*(script|about|applet|activex|chrome)*>.*(script|about|
> > appl
> > et|activex|chrome)[[:space:]]*>" at REQUEST_URI [hostname
> > "somesite.com"] [uri
> > "/pressrelease_details.php?id=<%00script>alert(2038864227)%
> > 3B</script>"]
> >
> > [Fri Mar 9 01:24:32 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match "<script"
> > at THE_REQUEST [hostname "somesite.com"] [uri
> > "/pressrelease_details.php?id=--><ScRiPt%20%0a%0d>alert(114595006)%
> > 3B</S
> > cRiPt>"]
> >
> > [Fri Mar 9 01:24:37 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match
> > "/etc/passwd" at REQUEST_URI [hostname "somesite.com"] [uri
> > "/pressrelease_details.php?id=+%26cat+/etc/passwd%26"]
> >
> > [Fri Mar 9 01:24:37 2007] [error] [client 192.168.0.18]
> > mod_security: Access denied with code 406. Pattern match
> > "/etc/passwd" at REQUEST_URI [hostname "somesite.com"] [uri
> > "/pressrelease_details.php?id=+%0acat+/etc/passwd%0a"]
> >
> >
> > Any kind of help and feedback are highly appreciated.
> >
> > Thanking you..
> >
> >
> > - --
> >
> >
> > With best regards and good wishes,
> >
> > Yours sincerely,
> >
> > Tek Bahadur Limbu
> >
> > (TAG/TDG Group)
> > Jwl Systems Department
> >
> > Worldlink Communications Pvt. Ltd.
> >
> > Jawalakhel, Nepal
> >
> > http://www.wlink.com.np
> > -----BEGIN PGP SIGNATURE-----
> > Version: GnuPG v1.4.2.2 (FreeBSD)
> >
> > iD8DBQFF9lTsVrOl+eVhOvYRAqGcAJ9OT+UbDWAA3UMsSRbHC8zmfBWxOACcC3U6
> > Pr6zzwkH8HD8qdoq8kIvrVY=
> > =u2e+
> > -----END PGP SIGNATURE-----
>
> --
> - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid
> Support -
> - $25/pm entry-level bandwidth-capped VPSes available in WA -
>

- --

With best regards and good wishes,

Yours sincerely,

Tek Bahadur Limbu

(TAG/TDG Group)
Jwl Systems Department

Worldlink Communications Pvt. Ltd.

Jawalakhel, Nepal

http://www.wlink.com.np
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.2.2 (FreeBSD)

iD8DBQFF9lv+VrOl+eVhOvYRAtRVAJ9OAiX1/O3pY+Dw2UfPXnSU99LVtQCfY3qn
t93hJQ/BUqRBPQZJ0VfRCy8=
=Vnmj
-----END PGP SIGNATURE-----
Received on Tue Mar 13 2007 - 02:09:10 MDT

This archive was generated by hypermail pre-2.1.9 : Sat Mar 31 2007 - 13:00:02 MDT