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Thread: Do you deal with auditors?




Do you deal with auditors?
user name
2005-12-19 18:32:00
Dustin Butler wrote:
>> I do.   I can't seem to get the weak ciphers off my
web server. 
>> Everytime they run a security scan I have to
explain why weak SSL is
>> showing up as a vulerabilty.  Can someone tell me
what I'm doing wrong?

>Only SSLRequiredCiphers changes the ciphers that are
offered.
>SSLBanCipher and SSLRequireCipher are both
after-the-fact (and
>per-directory).

So if I understand correctly something like this is
happening

Scanner: What ciphers do you support?
Server: 1,2,3,4,5
Scanner: Oh my God! 4 is a weak cipher I'm reporting you

When in reality if the scanner or a browser tried to use 4
it would be rejected.

Thanks that helps a bunch!  Was beating my head for a while
on that.

> 
> Here is my Configuration
> 
> <VirtualHost xxx.xxx.xxx.xxx:443>
>        Include conf/trace.fix
>        ServerName www.xxxxxxxx.com
>        VirtualDocumentRoot
/httpd/xxx.xxx.xxx.xxx:443/%0/html
>        SSLNoV2
>        SSLBanCipher EXP-RC4-MD5 EXP1024-RC4-SHA
>        SSLEnable
>        SSLCertificateFile
> /opt/apache/conf/certificate/www.xxxxxxxxxxx.com.crt
>        SSLCertificateKeyFile
> /opt/apache/conf/certificate/www.xxxxxxxx.com.key
> </VirtualHost>
> 
> I'm using the Saint vulnerability scanner and it
reports weak ciphers
> still being used. A couple of them (EXP-RC4-MD5,
EXP1024-RC4-MD5) I've
> explicitly banned using the SSLBanCipher directive. 
But these still
> show up as supported ciphers
> 
> Supported ciphers:
> EXP-RC4-MD5:TLSv1/SSLv3:40-bit
> RC4-MD5:TLSv1/SSLv3:128-bit
> RC4-SHA:TLSv1/SSLv3:128-bit
> EXP-RC2-CBC-MD5:TLSv1/SSLv3:40-bit
> EXP-DES-CBC-SHA:TLSv1/SSLv3:40-bit
> DES-CBC-SHA:TLSv1/SSLv3:56-bit
> DES-CBC3-SHA:TLSv1/SSLv3:168-bit
> EXP1024-RC4-MD5:TLSv1/SSLv3:56-bit
> EXP1024-RC2-CBC-MD5:TLSv1/SSLv3:56-bit
> EXP1024-DES-CBC-SHA:TLSv1/SSLv3:56-bit
> EXP1024-RC4-SHA:TLSv1/SSLv3:56-bit
> AES128-SHA:TLSv1/SSLv3:128-bit
> AES256-SHA:TLSv1/SSLv3:256-bit
> 
> Dustin Butler
> Intrcomm Technology
> 
> Skype: dustinbutler
> ICQ: 77617603
> AIM: DustinBtlr
> 
>
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