With the recent rise in brute-force attacks against WordPress installations, it’s now my turn to write down a checklist on things to do that will make your installation more secure. There are different levels to secure the installation, you can…
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…
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…
Following in the footstep of a Solusvm database leak in November 2012, Damian Harouff from IPXcore LLC decided that it was time to make some changes to their database if something like that would happen to them. The Solusvm database…
With the amount of SSH brute force attacks, securing SSH is more important than ever. Here are a few methods you can consider to further harden your SSH installation. Default Settings First of all, we look att the default settings…
Even if it is too late when someone else logs in as root on your server, it is good to know that NOW is the time to get working on your security. To setup email notification, login to your server…
What we need to do is to stop the mysql server and then start it again without reading the user table. To be on the safe side, we won’t allow any network connections while we are doing this operation. All…
Here is a pretty fancy “trick” for the ones who wants to block certain parts of the world from accessing your VPS. first of all you need to know the netblocks for the country you want to block, this information…
If you are a provider, selling VPS for the general public this very simple but yet extremly effective WHMCS hack from Joe Dougherty @ Securedragon (known as KuJoe on Lowendtalk and ZKuJoe on WHT) is recommended for all of you. This…
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
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iptables -A INPUT -s XXX.XXX.XXX.XXX -p udp -m udp --dport 28960:28965 -j DROP |
Let’s break it all…
