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Restrict Listener to use SSL 3.0 Only

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Restrict Listener to use SSL 3.0 Only - 26.Jan.2008 9:15:24 AM   
sumpty

 

Posts: 1
Joined: 26.Jan.2008
Status: offline 		Hello all,
 
I was wondering if it were possible to force web listeners publishing SSL sites to use only the superior SSL3.0 standard and to prevent the client from using the less secure, depreciated SSL2.0? I know the risk is minimal but we provide a secure portal for our customers, all of whom can make use of 3 and we all know "least is best" when it comes to security...
 
There doesn't seem to be anything straight forward to change this setting, wondered if it's a registry job on the ISA (running 2004 by the way) to apply this. Any help, greatly appreciated.
 
Regards,



_____________________________

Paul Sumpter
Post #: 1
RE: Restrict Listener to use SSL 3.0 Only - 26.Jan.2008 2:25:25 PM   
spouseele

 

Posts: 12782
Joined: 1.Jun.2001
From: Belgium
Status: offline 		Hi Paul,

check out http://support.microsoft.com/kb/245030/en-us and the following blog series:
- http://blogs.isaserver.org/pouseele/2007/03/18/require-128-bit-encryption-for-https-traffic-with-isa-server-2006/
- http://blogs.isaserver.org/pouseele/2007/03/25/require-128-bit-encryption-for-https-traffic-with-isa-server-2006-part2/
- http://blogs.isaserver.org/pouseele/2007/05/19/require-128-bit-encryption-for-https-traffic-with-isa-server-2006-part3/

HTH,
Stefaan

(in reply to sumpty)
Post #: 2

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