Subject: Re: UDP checksum trouble in -current
To: None <email@example.com>
From: YAMAMOTO Takashi <firstname.lastname@example.org>
Date: 01/22/2005 20:07:53
> Could I have a NAT rule like
> map lo0 x.x.x.x -> y.y.y.y
> where y.y.y.y is an address of one of the external interfaces, and x.x.x.x
> an alias on lo0 ?
> Would the packets then go to the wire from y.y.y.y without checksums?
although i'm not sure about ipfilter,
i don't think it goes to the wire if y.y.y.y is an address of
one of your own interfaces.
generally, if outgoing interface decision is changed from lo0 after
udp_output check it, it can be a problem.