Firewall

Firewalld Rich Rule

To add a so called rich rule to firewalld I did the following. Check existing rules after a recent upgrade to Fedora 22. 55555/tcp was a custom app not Fedora default. Lets remove some rules. Add custom rule non-permanent. ** Note x.x.x.x is a placeholder for a real public IP.…

Solaris 11 Firewall

While trying to clone a production stack for development I got a little paranoid and added some firewall rules to avoid some accidental communication between the stacks. Mainly my concern was about the poorly documented process for cloning as well as the poor use of VLAN’s in the client’s environment.…