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Improve Security on SBS 2011

Posted on 2016-09-12
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Last Modified: 2016-10-08
HI -
We are trying to be more secure so a client can accept credit cards.  The firm that inspects our vulnerabilities produced the following.  I thought i had addressed this in the security section of SBS 2011 but it appears that i did not.  Any, and all, detailed information on how to correct this would be so appreciated.

Thanks
Rich
The SSL-based service running on this host appears to support the use of "weak" ciphers such as:

- Ciphers suites that have key-lengths of less than 128 bits.

- Ciphers suites using anonymous Diffie-Hellman algorithms (no authentication).

- Ciphers suites offering no encryption.

- Ciphers suites using pre-shared keys.

- Ciphers suites using RC4 or MD5.
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Question by:webentpr
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btan earned 250 total points (awarded by participants)
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Try running iiscrypto using its best practice. It helps to set the cipher required in baseline to secure the server to use strong cipher. This only set the cipher on the OS and you need to make sure the appl config changes separately, applicable.
https://www.nartac.com/Support/IISCrypto/FAQ

https://www.nartac.com/Blog/post/2013/04/19/IIS-Crypto-Explained.aspx

If server is accessible via Internet, I suggest a self assessment using the ssl lab test. It does a good snapshot on the cipher used.
https://www.ssllabs.com/ssltest/
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by:pgm554
pgm554 earned 250 total points (awarded by participants)
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Author Comment

by:webentpr
ID: 41796398
First let me apologize for taking so long to respond.  I will try this - thank you.
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Author Comment

by:webentpr
ID: 41804881
Thanks - everything worked correctly - really appreciate your help.
Rich
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Expert Comment

by:btan
ID: 41834886
As per advised and acknowledged.
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