Tag: apf

APF Firewall

Advanced Policy Firewall, or APF, is a firewall sometimes seen on sxi.io Web’s servers. It is basically an interface to iptables, which is the standard interface to managing network ports on Linux machines. Interacting with iptables can be complex and error-prone, and APF greatly simplifies working with it. However, APF is still only accessible by…

How To Unblock an IP Address in APF

Advanced Policy Firewall, or APF, is a software firewall commonly installed on sxi.io 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…

Opening Ports In Your Firewall

Opening Ports In Your Firewall

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: APF Unfortunately, APF can only be configured by accessing the server over ssh, as the root user. Once…