Install/Update OSSIM/OSSEC agent (AlmaLinux 8.6 or CentOS)

This is an update to the previous CentOS installation of OSSEC 3.6 ( here, updating it to 3.7. You need one more library installed before OSSEC can update: dnf -y install systemd-develwget xzf 3.7.0.tar.gzcd ossec-hids-3.7.0/./ Or to install from scratch, just change the first command and add the… Continue reading

Install OSSIM/OSSEC agent (CentOS 7)

I couldn’t find proper instructions on doing this anywhere so here are mine: In your OSSIM portal go to Environment -> Assets & Groups -> Add Assets and enter the name/IP of the asset you want to add. On the agent run: yum -y install libevent-devel pcre2-devel openssl-develwget xzf… Continue reading