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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical 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
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