Re: [SAVA] Re: [Int-area] Call For Participation and Interest: Source Address Validation Architecture (SAVA)

2006-09-14 Thread Iljitsch van Beijnum
On 12-sep-2006, at 16:31, Jun Bi wrote: DDoS attacks is a cross-layer problems, so the DDoS prevention is out of SAVA's scope. So what's the use then? Non-DoS related source address spoofing is easily thwarted by doing a return routability check that contains a hard-to-guess nonce. The

Re: [Int-area] Call For Participation and Interest: Source Address Validation Architecture (SAVA)

2006-09-14 Thread Iljitsch van Beijnum
On 12-sep-2006, at 11:25, Pekka Savola wrote: Ingress filtering is definitely to be recommended, and uRPF filtering certainly does have its uses, but, at least in the current state of the Internet, they are insufficient as a protection for the routing infrastructure. If this refers to ens