1] I used a minimal CentOS 6.5 64-bit installation for this blog post. I've tested this documentation on a VPS and a dedicated server.
2] Login as root in your CentOS installation.
3] "yum install gcc wget"
4] "wget http://www.malaya-digital.org/portsentry-1.2.tar.gz"
5] "tar xzf portsentry-1.2.tar.gz"
6] "cd portsentry_beta"
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