1 Apr
2013
1 Apr
'13
6:17 p.m.
On 4/1/2013 6:11 AM, Michael H. Warfield wrote:
it's also very important to implement BCP (Best Common Practice) 38. BCP 38 recommends router egress filtering. That is, you only route out what will route back in. That prevents you (or any of your customers) from being a spoofing source.
of course, this breaks a bunch of types of ad-hoc multihoming, where you have multiple ISPs, each with their own subnets, and you're trying to load balance your outbound traffic.
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john r pierce 37N 122W
somewhere on the middle of the left coast