> -----Original Message-----
> From: KnightMB [mailto:knightmb at knightmb dot dyndns dot org]
> Sent: Wednesday, March 15, 2006 9:22 AM
> To: m0n0wall at lists dot m0n0 dot ch
> Subject: Re: [m0n0wall] FW: m0n0wall blocks incoming UDP 500
> To aid in this conversation, I used a port tool to test
> incoming/outgoing ports on m0n0wall PC image version 1.21
> Since I can only manually test one port at a time for data
> input/output, I only did ports 500 UDP to 505 UDP and TCP for
> My test showed that m0n0wall doesn't pass UDP packets on Port
> 500 as this person has stated, but it worked fine on ports
> 501, 502, 503, etc.
> My test did find that TCP packets would pass port 500 just
> fine. I even tried port remapping, like m0n0wall port 500 to
> 501 just to see if it was the direct 500:500 that was having
> the problem and still packets are dropped. I checked the
> firewall log of m0n0wall to see if maybe those packets would
> show up there, nothing found.
> same test for sanity reasons. Maybe someone can shed some
> light on why m0n0wall would discard packets coming inbound on
> port 500 UDP?
Finally someone confirmed my concerns.... thx Michael !
IMO this is a huge issue for all clients using simple VPN-IPSEC
outgoing connections.... Is there anyone (m0n0wall developer maybe)
who can make more thorough troubleshooting?
Tomasz Polus, Polvision