One cisco router and the case of the phantom ports

Ok, an apology first, yes I know it’s been nearly a month since my last one but I’ve been busy, and secondly i did have some more asterisk goodies but that will have to wait until next time.

So let’s begin…

Some of you may have heard of the excellent tool for mapping your networks called "look@lan" (Recentley renamed to ‘Fing’), I’ve used it off and on here and there for some time now, and was just doing some routine lan scanning and mapping to make sure everything was as it should be.

Cisco @ Home

So there I was sitting here the other day, after a busy day of fire-fighting with the trojan infection that got into my network, and it occurred to me that I have a hardware firewall that I never use.

More’s the point, my router has very nice hardware firewall capabilities built into it that I simply wasn’t using, time to explore I thought………