ALthough Linux is said to be a very secured OS. It is still highly recommended to install applications that will enhance its security and integrity. There are many kinds of threats out there that could really trip up a system. To name few are virus, rootkits, brute force attack and etc.
Here are some softwares that you can install on your Linux system and few of them are must to have.
- Netfilter's IPTables (firewall) ; of course you should enable it and set your rules
- fail2ban ; need this if ever there are ports / services that will be openned to the public say ssh
- chkrootkit ; this one is like a check up of the Linux files integrity
- clamav (optional) - this one is an anti virus but actually Linux sometimes does not require it
Ok those are just few that I know you can have on your system.
Hope you find this brief discussion helpful. Cheers and God Bless!!!
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