Protect your Asterisk server against brute forcing
As Internet accessible corporate Voice over IP servers continue to grow in number, so does the risk of rogue individuals gaining access to SIP extensions due to weak or poorly...
Linux
Install Fail2Ban on CentOS 5.5
The installation process for Fail2Ban (a brute force protection application) on CentOS 5.5. is as follows – Login to your server as root, then: wget http://downloads.sourceforge.net/project/fail2ban/fail2ban-stable/fail2ban-0.8.4/fail2ban-0.8.4.tar.bz2?use_mirror=transact tar -xf fail2ban-0.8.4.tar.bz2 cd...
Horde Session Problems
Many Internet providers send their users’ traffic through proxy servers, this can cause problems with Horde’s session handling in Plesk. The problem arises when the user’s IP changes during the...
How to install Aastra XML scripts for Elastix
For those who are not familiar with the scripts, here is a simplified list of what the scripts can do for you: For those of you who are unfamiliar with...
How to check a remote servers DNS version
To check a remote servers DNS version simply run the following command from Linux: $ nslookup -q=txt -class=CHAOS version.bind. 0 www.server-you-want-to-check.com or on Windows: $ nslookup -q=txt -class=CHAOS version.bind www.server-you-want-to-check.com...