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[How To] Disable SSLv3 for Apache in WHM cPanel

After HeartBleed, Poodle (Padding Oracle On Downgraded Legacy Encryption) is another exploit recently discovered affecting SSL version3.

To disable SSL version 3 for Apache in WHM cPanel, you can follow below steps:

1) Login in WHM and go to Service Configuration > Apache Configuration > Include Editor

2) Click on the Pre Main Include and select All Versions option from the drop down box.

3) Add the following contents in the editor

SSLProtocol All -SSLv2 -SSLv3
SSLHonorCipherOrder On


4) Click on update and restart Apache service.

How to verify?

To verify, execute below command which checks SSL connectivity with SSL v3.

openssl s_client -connect -ssl3

where is the domain name having SSL installed.

Output should be:

1847:error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure:s3_pkt.c:1086:SSL alert number 40
1847:error:1409E0E5:SSL routines:SSL3_WRITE_BYTES:ssl handshake failure:s3_pkt.c:530:

Abhijit Sandhan

Love to Automate, Blog, Travel, Hike & spread Knowledge!

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