I've set up WireGuard on a VM in my LAN.  In the LAN's router I am
port-forwarding my chosen (UDP) WireGuard port to the WireGuard server
in the LAN. (All CentOS 7.6)  I've forwarded the shorewall.dmp from the
WG server to Tom.

For the life of me I can not get the WG phone app communicating with the
server.  O am getting occasional Shorewall blockages, but because times
are not in the line I don't know when they relate.  For example this is
on the router:

[1123910.652480] FORWARD REJECT IN=eth0 OUT=eth0
MAC=00:1f:5b:69:23:8c:f6:b5:2f:a2:db:8e:08:00 SRC=172.58.40.50
DST=10.1.50.16 LEN=176 TOS=0x00 PREC=0x00 TTL=53 ID=0 PROTO=UDP
SPT=37262 DPT=7962 LEN=156
[1123915.644317] FORWARD REJECT IN=eth0 OUT=eth0
MAC=00:1f:5b:6:23:8c:f6:b5:2f:a2:db:8e:08:00 SRC=172.58.40.50
DST=10.1.50.16 LEN=176 TOS=0x00 PREC=0x00 TTL=53 ID=0 PROTO=UDP
SPT=37262 DPT=7962 LEN=156

Here's the DNAT in rules:

DNAT            net     local:10.1.50.16        udp     wgvpn   -

So FFS it's supposed to receive it in eth0, but then it's supposed to
send it back out eth1 not eth0.

Interfaces:

net     eth0            tcpflags,dhcp,nosmurfs,routefilter,sourceroute=0
local   eth1            tcpflags,nosmurfs,routefilter

Any idea what's going on?

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