Protecting Your Server From Brute Force Attacks

Being a server admin, it is a vital responsibility to protect the servers from different types of attacks. The most common one among them is the brute force attacks, where the attacker tries to login to the server or email or any password protected area using trial and error method.  The most common form of a brute force attack is a dictionary attack. A person who is trying to get access to one of your accounts (web server, ftp, e-mail, ssh, etc.) uses a uses a list of common names and password combination with the help of an automated script.

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cPanel – Wish list from a Server Admin

I have been working in cPanel WHM servers for around 10 years now. They have been working great. cPanel is one of the best tools that I have seen which makes life easier for a Sysadmin. From feature to feature, it is becoming one the best product for a shared server, where one server is being used to host more than one websites and the same server is used to host e-Mail, DNS and Databases. They have now brought a stable LAMP compiler, DNS clustering tool. A facility to enable remote database server, a good account migration wizard, DKIM and SPF support and what not. Here’s my cPanel wish list – is someone at cPanel listening!? (more…)

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How to use arping to bind IP in a Linux Server

arping can be a very handy tool when your main task is to migrate IP addresses across servers. When we migrate IP addresses, the switch or the networking device will cache the information and switch the packets to the old server, and thereby keeping the IP in the new server down.

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