openssl

On 19th March 2015, multiple high and moderate severity level vulnerabilities released in OpenSSL, a Secure Sockets Layer toolkit used in a Linux and Unix-like systems. How can I fix these vulnerabilities on a CentOS/RHEL/Ubuntu and Debian Linux based server for OpenSSL versions 1.0.2a, 1.0.1m, 1.0.0r, and 0.9.8zf.? How do I verify that my Linux server has been fixed against the OpenSSL vulnerability?
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The default Firefox comes with certificates from well-known commercial CAs. My ISP is also CA and Firefox cannot verified it because the CA is not recognized. How do I force Firefox to accept my ISPs certificate?
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