Posts tagged as:

iptables firewall

How Do I Block An IP Address On Linux Server ?

by lifeLinux on January 31, 2012

I run CentOS on my server, and I often find that my server is being attacked by other computers. Brute force SSH attacks, port scanning, viruses scanning for the ability to spread, things like that. In this article, I’ll show you how to block an IP address on Linux server using IPTables.

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CentOS / RedHat Linux server and by default firewall blocked out everything including telnet access. How do I allow telnet – port 23 thought Linux iptables firewall ?

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