25th Anniversary Savings | 25% Off Dedicated Servers*Shop Now
25th Anniversary Savings | 25% Off VPS Hosting* †††Shop Now
Limited Inventory: High-Performance AMD-Powered Servers Now Available.* Shop Now >

Tag: CSF

How to Back up and Restore the CSF Firewall Configuration

Posted on by dpepper | Updated:
Category: Series | Tags: CSF, Firewall
Reading Time: 3 minutes

Prior to making direct edits to the firewall configuration file or changing advanced firewall settings in WHM, a backup of the current configuration should be taken so that the settings can quickly and easily be reverted if needed.

Continue reading →

Unblocking an IP Address or Opening a Port in the Firewall

Posted on by dpepper | Updated:
Reading Time: < 1 minute

Should you discover (or suspect) that a client or customer’s IP address has been blocked by the firewall on your cPanel VPS server, or should you just need to open or close a port, you may be able to quickly resolve the issue yourself with just a little help.

Continue reading →
Reading Time: < 1 minute

Advanced Policy Firewall, or APF, is a software firewall commonly installed on Liquid Web servers. It is an interface to iptables, which is standard software for managing network ports on Linux. Interacting with iptables can be complex, but APF greatly simplifies the process. APF is only accessible via ssh, and there is no way to make changes in APF through WHM or cPanel.

Continue reading →
Reading Time: < 1 minute

CSF is generally considered an advanced firewall given it has many more configuration options than most other software firewalls (such as APF). It’s also still simple enough to install and configure, even for novice system administrators. For a simple overview on how to install and configure CSF and its security plugin LFD (Login Failure Daemon), visit our tutorial.

Continue reading →

Opening Ports In Your Firewall

Posted on by Patrick Hawkins | Updated:
Reading Time: 2 minutes

Occasionally, you will find that you need to open up a port in your firewall for some application or another. Depending on which firewall is installed on your server, there are several ways to go about this:

Continue reading →
Newer posts →
Have Some Questions?

Our Sales and Support teams are available 24 hours by phone or e-mail to assist.

1.800.580.4985
1.517.322.0434