NAT (ipfw/natd) broken in latest -CURRENT

Marko Zec zec at
Wed Dec 17 12:14:08 UTC 2008

On Wednesday 17 December 2008 10:34:54 Paolo Pisati wrote:
> Joe Marcus Clarke wrote:
> > I just upgraded my i386 -CURRENT box from November 14 to today, and
> > now my SSH-over-PPP VPN tunnel no longer works.  I did some packet
> > captures, and it appears that NAT is no longer working.  If I send
> > a telnet packet from my client side over the PPP tunnel, I see the
> > SYN go out on the server side network properly translated.  The
> > destination host ACKs correctly, but the ACK never goes back across
> > the tunnel.  It's as if natd is no longer translating the packet on
> > the inbound path.  Besides the upgrade, nothing has changed in my
> > environment.
> lately some work has been done on the vimage and routing tree stuff,
> thus your best bet  is to go back
> some days and try again.

Hi Joe,

could you try building your kernel with options VIMAGE_GLOBALS and tell 
us whether this makes any difference - turning on VIMAGE_GLOBALS should 
revert certain aspects of virtualization changes that recently got 
merged into the tree.



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