12-15-2005, 03:12 PM
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Hail Eris !
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Join Date: Oct 2002
Location: Canada
Posts: 3,100
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One of my clients hosts his site with third party. Yesterday we added a new feature and stumbled across odd bug. I have no much access to that server, but it seems it is rather standard cpanel install there. Anyway, the bug, when you enter "nc " , that is letters nc and one space after (or line break) in any input field or textarea and submit such form (post or get) server generates Internal Error (500). No more info is available. This works the same on .php and on .html pages (but on cpanel servers php is often used for .html pages too). The problem is reported to host, but I wonder did anyone experience something like this before.
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12-15-2005, 03:23 PM
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Web Hosting Master
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Join Date: Jun 2003
Posts: 962
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could be a badly configured mod_security checking for "nc" in the post/get data
ask the host if they have mod_security running
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12-15-2005, 03:34 PM
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Hail Eris !
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Join Date: Oct 2002
Location: Canada
Posts: 3,100
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Ahh, very good point. I do not know why I did not think of it before. Anyway, I tried some other stuff that you would block with mod_security (wget , gcc, cc , nmap etc.) and sure enough, the same thing happens. Thanks
Last edited by sasha; 12-15-2005 at 03:38 PM.
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12-15-2005, 09:46 PM
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Junior Guru Wannabe
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Join Date: Nov 2005
Posts: 76
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Why would one need to input nc space? Yeah, I would say chances are high that your provider has a mod_sec rule for bcc, BCc, CC, cc, cC, etc.
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12-15-2005, 10:02 PM
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Hail Eris !
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Join Date: Oct 2002
Location: Canada
Posts: 3,100
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Quote:
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Originally Posted by simplestar
Why would one need to input nc space? Yeah, I would say chances are high that your provider has a mod_sec rule for bcc, BCc, CC, cc, cC, etc.
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This is why:
Quote:
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Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec porttitor. Vivamus congue lacus at dui. Nunc hendrerit laoreet nisl.
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I do not think we speak about the same cc, i talk about compiler and you talk about email.
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12-15-2005, 10:17 PM
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Junior Guru Wannabe
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Join Date: Nov 2005
Posts: 76
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Quote:
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Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec porttitor. Vivamus congue lacus at dui. Nunc hendrerit laoreet nisl.
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Oh, alright, I understand now. Yes, I was thinking of email as the only option for some reason.
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12-16-2005, 03:16 AM
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Can Haz Cheezeburger
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Join Date: May 2005
Location: Bay Area
Posts: 1,162
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Sashe Sehe and Simplestar. Any of you related? lol.
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12-16-2005, 11:51 AM
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Web Hosting Master
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Join Date: Jun 2003
Posts: 962
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Quote:
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Sashe Sehe and Simplestar. Any of you related? lol.
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lol, nope
Quote:
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Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec porttitor. Vivamus congue lacus at dui. Nunc hendrerit laoreet nisl.
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anyone care to translate?
Quote:
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Why would one need to input nc space?
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to "forbid" usage of netcat (nc)
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12-16-2005, 12:38 PM
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Junior Guru Wannabe
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Join Date: Nov 2005
Posts: 76
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Quote:
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Sashe Sehe and Simplestar. Any of you related? lol.
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lol
Quote:
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Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Donec porttitor. Vivamus congue lacus at dui. Nunc hendrerit laoreet nisl.
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Lorem Ipsum is a Latin based laguage and used to assist in the format and layout designs. Be it for books, website, etc.
Here's an interesting link http://www.lipsum.com/
Thanks Sehe
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