Tools for securing Linux server and its services

a) Fail2Ban: Which will ban IP address after few failure attempts

website :

b)Rootkit Hunter : It will scan your server for any unauthorized scripts.

Website :

To download :

c)PortSentry : This tool will block IP who is trying to scan your server for open ports.

Ref :

How to install :


e) mod_evasive : It will ban IP for certain conditions ,example :

  • Requesting the same page more than a few times per second
  • Making more than 50 concurrent requests on the same child per second
  • Making any requests while temporarily blacklisted (on a blocking list)

Web Site :

To be.. continue..

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