Author Archives | Gunjan

OpenSSL installation and upgrade on Linux Server

Few months ago, we all have faced OpenSSL TLS heartbeat (versions 1.0.1 through 1.0.1f and 1.0.2 beta through 1.0.2-beta1) vulnerability, to resolve the issue, two solution is available , 1st to install openssl from scratch and 2nd to upgrade existing oenssl to the latest version.

We can install and upgrade the openssl using the following commands.

Login into the server as root user

cd /usr/local/src/

wget http://www.openssl.org/source/openssl-1.0.1e.tar.gz

tar -xvf openssl*

cd openssl-1.0.1e

./config

make

make test

make install

openssl version

which openssl

/usr/bin/openssl -v

mv /usr/bin/openssl /root/

ln -s /usr/local/ssl/bin/openssl /usr/bin/openssl

[root@ src]# /usr/bin/openssl version
OpenSSL 1.0.1e 11 Feb 2013

To check openssl version, refer to the following URL

https://filippo.io/Heartbleed/

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