Limit SSH connections geographically

There is a real security risk to leaving your shell connection ports exposed to the internet especially if you don’t ever intend on connecting from Zimbabwe as well as other random countries. This can limit brute force attack exposure and also save valuable resources and bandwidth by rejecting a packets before a tcp handshake. Install… Read more »

Adding Colour to Linux Bash Shell

If the standard black and grey makes you feel uninspired, you can change this by adding two lines to your .bashrc file in the users profile. 1. Edit the .bashrc file 2. Add the following lines Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you like what you… Read more »

Hardening SSHD for Security

The secure shell daemon should be hardened to prevent unauthorised access before being put into a production environment or exposed to the internet. 1. Verify the /etc/ssh/sshd_config file contains the following lines and that they are not commented out: Should you have any questions, comments or suggestions, please don’t hesitate to comment below. If you… Read more »

How to disable root SSH logins

How to disable root SSH logins One of the biggest security holes you could open on your Linux server is to allow directly logging in as root through ssh, because any cracker can attempt to brute force your root password and potentially get access to your system. It’s much better to have separate account that… Read more »

Bypassing Firewalls and Proxies from Work

Okay, so for whatever reason you want to bypass your companies firewall to browse websites without being limited by what you can see. Some companies offer “alternative” access and some are super tight (only allowing news, company and a few other selected websites).This will allow you to connect to anything! If you are hosting services… Read more »