Hi, On Mon, Oct 20, 2025 at 04:15:22PM -0400, Jon Chiappetta via Openvpn-devel wrote: > I was wondering if any part of the OpenVPN source code parses the IPv4 > packet header for source/destination address already in place?
With tun/tap and ipv4/ipv6, this is a bit of nastiness...
You might want to have a look at drop_if_recursive_routing() in master,
as that one has to find destination address & port and will log source
address & port.
Not sure we have something more convenient. Grepping for openvpn_iphdr
might turn up something, though :-) (like somewhere in the NAT code).
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany [email protected]
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