Howtos / Articles

Secure MikroTik RouterOS Router via CLI

Mikrotik RouterOS devices are extremely powerful router devices. This can sometimes mean that the configuration of them isnt as simple as point and click for a new user. This howto will outline some recommended steps you can take to secure your Mikrotik RouterOS device, be it RouterBoard, a x86 install on bare metal, or a CHR (Cloud Hosted Router). This guide will not go into detail on configuring the firewall. That is more complex and is going to be heavily…

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Enable SSH on Vyatta / vRouter / VyOS

One of the first things you will probably want to do when setting up a new Vyatta / vRouter / VyOS install, is to enable SSH so you can configure it from your desk. The secure shell (SSH) service allows you to securely administer the device from a remote location on the network. These steps below outline how to enable SSH. Enter configuration mode $ configure Enable the SSH service # set service ssh Commit the changes # commit Save…

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Enable Web GUI on Brocade vRouter / Vyatta

The following steps show you how to enable the HTTPS web based GUI on Brocade vRouter / Vyatta. By default, the web gui is disabled, so you must enable it via the command line interface if you wish to use it. Enter configuration mode $ configure Enable the HTTPS service # set service https Commit the changes # commit Save the configuration # save Exit configuration mode # exit Example output vyatta@vyatta:~$ configure [edit] vyatta@vyatta# set service https [edit] vyatta@vyatta#…

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Common User Agent List

Below you will find a number of the most common browser user agents. You can use these user agents if you want to emulate a different browser with a tool such as curl, wget, or similar. Google Chrome Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Mozilla Firefox Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0 Microsoft Edge Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393 Microsoft Internet Explorer 6…

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Get The Active DNS Servers On Linux

The Domain Name System (DNS for short) is one of the most important parts of the internet infrastructure. It converts the easy to remember domain names, into IP (and IPv6) addresses, that aren’t so friendly to the end user. Regardless of the distribution of Linux that you are using (such as Ubuntu, CentOS, Debian, Arch, Redhat, etc), the process of determining what DNS servers are currently being used for domain name resolution is the same. To determine what DNS servers…

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