Etherarp
Etherarp

Networking, Security, Linux

linux

Securing services with stunnel

Stunnel is a tool that allows you to seamlessly add TLS to most existing services. Stunnel listens on a port, and can either receive encrypted traffic and pass it to an unencrypted destination, or it can receive unencrypted traffic and forward that to an encrypted destination. TLS is commonly used t…

Rohan Molloy

My IPTables Configuration Script

I've talked quite a lot about iptables but haven't really shown how I actually put it into practice. Today I'll share a shell script I wrote to set up IPTables on my Fedora 25 Desktop. Download Warning: Make sure you check its appropriate for your needs and you understand its functionality before ru…

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