How many protocols...

Stephen Sprunk ssprunk at cisco.com
Tue Jun 11 15:33:26 UTC 2002 

Thus spake "Magnus Boden" <mb at ozaba.cx>
> I wouldn't call it an isp if they only allowed tcp, udp and icmp.
> It should be all ip protocols.
>
> There can be a maximum of 256 of them. The isp shouldn't care what
> the ipheader->protocol field is set to.

There is at least one ISP here in the US that filters protocol 50 (IPsec ESP).
Does that mean they're really not an ISP?

S

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