The whole process of securing a Server or network is quite extensive. I’m discussing just one major aspect of Security here – Firewalls. Specifically my topic is about APF firewall.
I’m dividing this article into 2 sections :-
The first section is for amateurs. The second section is strictly for experts, at least for those who are [...]

AIDE (Advanced Intrusion Detection Enviornment) is a tool to check the file integrity. It is an opensource substitute for TRIPWIRE. It allows to take snapshots of all the major configuration files, binaries as well as libraries stats. And helps to find which binaries have been changed in case of compromisation of the system. This can [...]