12/11/2022 0 Comments Openssl heartbleed![]() Ideally your SSL Web server grade should look like this or at least very close. For those who havent been following, Heartbleed is a security vulnerability in OpenSSL, a popular open-source protocol used to encrypt vast portions of the. The SSL Server Test tool not only can tell you if your Web server is vulnerable to the Heartbleed issue, but also if it has other issues like supporting insecure protocols, ciphers or SSL options. This is a very useful tool developed by Ivan Ristic, whom curiously has also been a contributor of the PHP Classes site in the past. One easy way to check the SSL security issues of your Web server is to try the Qualys SSL Labs SSL Server Test online tool. How can I check if My Web Server is Secure? If you are not using your Web server to take https requests, you should not be concerned with this vulnerability. If you are using OpenSSL 1.0.0 or older revisions, you may not be vulnerable to the Heartbleed issue, but you may have other limitations. If your Web server takes SSL requests (https) and it uses older versions of OpenSSL 1.0.1, yes you should be concerned and recompile or replace the Web server modules to use at least OpenSSL 1.0.1g version. OpenSSL is an Open Source library used to implement secure Web servers (https) in most Open Source Web servers like Apache, Nginx, etc. It allows exploits to eventiually steal files from servers, so this is a very serious flaw, in the sense that it may allow accessing sensitive information that may be used to invade and compromise servers. The HeartBleed security vulnerability recently announced that compromises servers based on OpenSSL. It's not even a problem with how OpenSSL works in theory. What was this Heartbleed OpenSSL Security Bug? Heartbleed isn't a problem with the TLS/SSL technologies that encrypt the internet. ![]()
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