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From: Roman Mamedov <>
To: <>
Subject: Force a specific IP for outgoing WG traffic with SNAT?
Date: Fri, 17 Feb 2023 00:07:47 +0500	[thread overview]
Message-ID: <20230217000747.0825b2e9@nvm> (raw)


I'm trying to move all my WG communication with peers to a non-primary IP of my server.

It has IPs added like this:

    inet6 2001:db8::ca6c/128 scope global deprecated 
       valid_lft forever preferred_lft 0sec
    inet6 2001:db8::1/128 scope global nodad 
       valid_lft forever preferred_lft forever

What I tried:

  ip6tables -t nat -I POSTROUTING -d 2000::/3 -p udp --dport 51820 -j SNAT --to-source 2001:db8::ca6c

Also tried to filter by --sport, and also briefly without a port filter at all.

This has zero effect, as shown by tcpdump all the WG traffic still originates from 2001:db8::1

Does anyone have an idea why is that? Thanks

With respect,

             reply	other threads:[~2023-02-16 19:07 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-16 19:07 Roman Mamedov [this message]
2023-03-17 19:43 ` Ashish SHUKLA
2023-03-17 19:54   ` Roman Mamedov

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