chkrootkit (Check Rootkit) is a common Unix based program intented to help system administrators check their system for known rootkits. It is basically a shell script using common UNIX/Linux tools like strings and grep commands to check core system programs for signatures. If you doubt that your server has been hacked, chkrootkit is what you [...]
Posts Tagged ‘disable’
How to close Open DNS
May 23rd, 2009 
admin This tutorial describes how to close an Open DNS server. An Open DNS server allows anyone to use that server as a DNS lookup server. This is a potential threat and such access must either be blocked, or restricted to a few trusted IPs. This is how it is done. 1. Make a list of [...]
Posted in Tips n Tricks 
Tags: close, cpanel, disable, DNS, email alert, how to, install, loader, open, php, root, telnet 
2 Comments »How to disable Telnet
May 23rd, 2009 admin Telnet is a xinetd managed service which listens on port 23. You can login to your account on the server by using a telnet client. However, unlike ssh, telnet initiates a normal connection. i.e., the telnet data packets is in plain-text format, and can be captured easily by network monitoring applications. If you are a [...]