Etherarp
Etherarp

Networking, Security, Linux

sysadmin

Routeable Loopback Addresses

Today we will learn about loopback addresses that can be reached from the outside via routing. This is useful for running services on a router In a previous post, I talked about the loopback interface and how we can locally bind services to any address in the range 127.0.0.1-127.255.255.254. This is…

Rohan Molloy

Dynamic Rules with IPSet

Wouldn't it be good if port scanning IPs could trigger a rule that adds themselves to a 'known offenders' firewall list? Wouldn't it be good if you could combine white and black ACLs into single unified rules.Typically IPTables operates statically from a predefined collection of rules. This has the…

Rohan Molloy