Networking

Disabling SSLv3

POODLE (Padding Oracle On Downgraded Legacy Encryption) is a vulnerability that was found on October 14th, 2014, which allows an attacker to read any encrypted information using the SSLv3 protocol by performing a man-in-the-middle attack. Although many pr...

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Set Hostname on CentOS

Step 1: Login to your VPS Locate the IP address of your Vultr VPS and login as the root user. ssh root@server Step 2: Use the hostname utility Change your hostname to a different name of your choosing. For example: hostname server01 Step 3: Edit /et...

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Setup Your Own DNS Server on Debian/Ubuntu

This tutorial explains how to setup a DNS server using Bind9 on Debian or Ubuntu. Throughout the article, substitute your-domain-name.com accordingly. At the end of the tutorial, you will have a functional Ubuntu DNS server. Install Bind9 apt-get instal...

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Installing OpenVPN on a Debian VPS

Introducing the OpenVPN protocol OpenVPN is an open source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections. It uses SSL/TLS for key exchange. This tutorial expl...

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How To Change Your Hostname on Debian

Step 1: Login to your VPS Locate the IP address of your Vultr VPS and login as the root user. ssh root@server Step 2: Edit /etc/hostname Open the /etc/hostname file with your favorite text editor. For example: nano /etc/hostname Update the hostname ...

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Installing OpenVPN on CentOS 7

In today's society, security and privacy is a problem when you are at public areas like airports, coffee shops, hotels, or any location that offers free public WiFi. Outsiders can monitor internet traffic between your computer and the web. OpenVPN is an o...

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Setup PPP VPN on Debian/Ubuntu

Install Packages Install the pptpd package on your VPS with the following command: apt-get install pptpd Configuration Insert new settings to /etc/pptpd.conf and /etc/ppp/pptpd-options by running the following commands: cat >/etc/pptpd.conf <<EOF op...

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Configuring Private Network

If you're assigning a private network to an existing machine (or deploying your own operating system), you'll need to configure the IP addresses on the private interface. The control panel will assign you an IP address, you should replace "10.99.0.200" i...

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