Category: Security

Add Users to the Sudoers List

When connecting to your VPS, you should never login as root, in fact, root logins with password authentication should be disabled. Instead you should mainly use a none-root account and elevate your access rights to root only when needed. By…

WHMCS – Hide licensekey from public view

Some may know that you can check the WHMCS license of any company using WHMCS as their billing system by adding: [precode]?licensedebug&forceremote[/precode] to any .php file in the whmcs folder. Example: [precode]announcements.php?licensedebug&forceremote[/precode] If you run this, you will probably see…

Easy add IP to be blocked by iptables

A question was asked over at www.lowendtalk.com on how to add ip addresses to iptables from a textfile. AnthonySmith found a simple but still effective way to solve this. The entry that were discussed was

Let’s break it all…