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 Post subject: Does ASL protect from this DDoS?
Unread postPosted: Thu Oct 27, 2011 6:30 am 
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Joined: Sat Mar 28, 2009 6:58 pm
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Location: Germany
New DDoS tool. The tool exploits a weakness in SSL to kick a server off the Internet.

http://thehackerschoice.wordpress.com/2011/10/24/thc-ssl-dos/

Thanks


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 Post subject: Re: Does ASL protect from this DDoS?
Unread postPosted: Thu Oct 27, 2011 9:20 pm 
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Atomicorp Staff - Site Admin
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Joined: Thu Feb 07, 2008 7:49 pm
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No need, its a an old old old SSL vulnerability. It can only happen if you have renegotiation enabled, which not only shouldnt you do, but newer browsers wont even support it and will fail the SSL connection.

http://httpd.apache.org/docs/2.0/mod/mo ... egotiation

You have to enable this in apache:

"If this directive is enabled, SSL connections will be vulnerable to the Man-in-the-Middle prefix attack as described in CVE-2009-3555."

If your apache has this enabled, disable it.

_________________
Michael Shinn
Atomicorp - Security For Everyone

Co-Author of Troubleshooting Linux Firewalls.


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 Post subject: Re: Does ASL protect from this DDoS?
Unread postPosted: Fri Oct 28, 2011 2:50 am 
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Thanks. Just wanted to make sure.


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