North American Network Operators Group
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Re: Open relays and open proxies
- From: bdragon
- Date: Sat Apr 26 16:38:14 2003
[CC list cleaned up]
> I think the most basic thing that any xSP could do to prevent relays and other
> basic address spoofing would be to disable source ip routing in every router
> that's installed. I would prevent a lot of abuse.
>
> Curt
Can you support with data either:
1) IP source routing is used for "lots of abuse"
2) disabling IP source routing would prevent "lots of abuse"
LSRR is a tool utilized to verify network topology and investigate
such things as pointing default, etc. Several SP's require LSRR
at minimum on border routers for this reason.
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