Re: Cisco says attacks are due to operational practices

Filtering incoming our outgoing ports for anybody's network but your own (not your customer's) is wrong. You know specifically what apps you are running. How can you know what your customer is running or what they want to do ?

If the customer is aware this is happening or even requests this type of firewall service, that's great. But to filter ports on backbone routers is stupid.

In the context of martian filtering, I'd assume he's referring to daytime/echo/chargen/etc. And filtering those is understandable. --msa