If you ever wondered if an interface with a dhcp obtained address can also have static aliases assigned to it, stop wondering. It can. That said, some (probably most) firewall distributions don’t allow setting aliases if your external IP is obtained via DHCP. I’m looking at you, IPCop (UPDATE: no longer developed). I thought maybe […]
In case you’ve ever wondered how to figure out which type of port your traffic is using (source/destination) for the purposes of setting up iptables (with or without webmin), here’s a little help. The truth of the matter is that it varies depending on the type of traffic, but you typically want to set the […]
This is about using webmin to administer a firewall/router on Ubuntu Server 9.10. If you’ve already done everything in Wall, then there are two parts to forwarding any port to a machine behind your router. We are operating under the assumption that eth1 is your external interface, and eth0 is your internal one. First, you […]
Ever wondered how to setup a firewall using Ubuntu Server edition? No? Then you’ll be pretty bored, so I suggest you stop reading now. If you answered yes, keep going. For my purposes, I’ve used the webmin firewall section, mostly to avoid learning iptables, or even something like shorewall. This was written using version 9.10, […]
I’m sure I’ve probably ranted about software patents before, but this is just blatantly ridiculous. Microsoft has patented a method to elevate a user’s privileges. Now, I know the exact dialog box they are trying to protect, and I realize it functions just a tiny bit different than a normal ‘sudo’ command on Linux or Mac. However, […]