On Tue, May 8, 2012 at 2:27 PM, Derrick Brashear <[email protected]> wrote:
> the surprising thing is NAT ping should keep the port open unless > 1) the timeout interval is aggressively short, like, 20 seconds. > 2) there's a hard timeout on NAT at least for UDP where regardless of > use, you lose your timeout. > 3) your NAT device has a very small table for UDP mappings, which at least some of the commercial boxes do; overflowing will cause mappings to be lost, typically in LRU fashion. -- brandon s allbery [email protected] wandering unix systems administrator (available) (412) 475-9364 vm/sms
