Re: Packets from net 10 (no, not the lyrics)

[Mohamad Eljazzar <eljazzar () ns utk edu>]

What about providers that use portions of the private address space on
their network (up to and including the client's serial interface)?

Mohamad

On Tue, 23 Sep 1997 bmanning () ISI EDU wrote:

> > Should I be filtering all reserved space at my border, or would
> > it be reasonable for me to expect the big guys not to take packets
> > with clearly inappropriate source addresses?
>
>       Yes you should. (and with kudos to Andrew)
>
> !     Loopback
> access-list 100 deny   ip 127.0.0.0 0.255.255.255 255.0.0.0 0.255.255.255
> !     RFC 1918 private blocks
> access-list 100 deny   ip 10.0.0.0 0.255.255.255 255.0.0.0 0.255.255.255
> access-list 100 deny   ip 172.16.0.0 0.15.255.255 255.240.0.0 0.15.255.255
> access-list 100 deny   ip 192.168.0.0 0.0.255.255 255.255.0.0 0.0.255.255
> !     Test Network
> access-list 100 deny   ip 192.0.2.0 0.0.0.255 255.255.255.0 0.0.0.255
> !     Tiny networks.
> access-list 100 deny   ip any 255.255.255.128 0.0.0.127
> access-list 100 permit ip any any
>
>
> > Or is my view on the situation incomplete?
>
>       I think so.
>
>
>
> -- 
> --bill