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Re: Nginx proxy_bind failing

October 30, 2020 07:15AM
All:

After reviewing the iptables chains workflow, I discovered that the Nginx Worker (100.64.8.236:12345) outside interface was associated with the OUTPUT chain.

(192.168.0.2:12345) OUTPUT ==>
(192.168.0.154:$port) PREROUTING ==> (100.64.8.236:12345) POSTROUTING ==>
Windows Client (192.168.0.154:$port) ==> Nginx Master (192.168.0.2:443) | Nginx Worker (100.64.8.236:12345) ==> Upstream Desination Server (104.27.161.206:443)
<== POSTROUTING (192.168.0.2:443) <== PREROUTING (104.27.161.206:443)

Once adding the appropriate iptables OUTPUT rule, using the correct interface (vlan2), the packets leaving the Nginx Worker (100.64.8.236:12345) were then appropriately MARKed and routed to the OpenVPN Tunnel.

# iptables -t mangle -I OUTPUT -o vlan2 -p tcp -m multiport --sport 12345 -j MARK --set-mark 0x2000/0x2000
Now, I just need to figure out the Nginx SSL Client CA Trust configuration and we should be in business.

Hope this helps someone in the future.

Respectfully,

Gary
Subject Author Posted

Nginx proxy_bind failing

garycnew@yahoo.com October 29, 2020 04:42AM

Re: Nginx proxy_bind failing

garycnew@yahoo.com October 29, 2020 08:43AM

Re: Nginx proxy_bind failing

garycnew@yahoo.com October 30, 2020 07:15AM

Re: Nginx proxy_bind failing

pbooth October 31, 2020 04:10AM

Re: Nginx proxy_bind failing

garycnew@yahoo.com October 31, 2020 08:16AM



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