WireGuard Archive on lore.kernel.org
 help / color / Atom feed
From: Nico Schottelius <nico.schottelius@ungleich.ch>
To: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Netfilter redirect does not work with wireguard
Date: Thu, 07 Nov 2019 17:38:42 +0100
Message-ID: <87pni3ljzh.fsf@ungleich.ch> (raw)


I am experimenting with nft / netfilter redirects to support wireguard
packets on *any* udp port. I tried using the following configuration for

[17:34:14] vpn-2a0ae5c1:~# cat /etc/nftables.conf
#!/usr/sbin/nft -f

flush ruleset

table ip nat {
	chain prerouting {
		type nat hook prerouting priority 0;

		# SSH works
		tcp dport != 22 redirect to 22

		# wireguard doesn't
		udp dport != 51820 redirect to 51820

	chain postrouting {
		type nat hook postrouting priority 0;

However as you can see in the comments, this does not work with
wireguard, however it does work with SSH.

I can see that wireguard is kernel space, and ssh user space, but does
that cause the netfilter part to be skipped or am I doing some silly
mistake here?

Best regards,


Modern, affordable, Swiss Virtual Machines. Visit www.datacenterlight.ch
WireGuard mailing list

             reply index

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07 16:38 Nico Schottelius [this message]
2019-11-07 21:50 ` Ivan Labáth
2019-11-08 15:29   ` Nico Schottelius

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87pni3ljzh.fsf@ungleich.ch \
    --to=nico.schottelius@ungleich.ch \
    --cc=wireguard@lists.zx2c4.com \


* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

WireGuard Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/wireguard/0 wireguard/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 wireguard wireguard/ https://lore.kernel.org/wireguard \
	public-inbox-index wireguard

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone https://public-inbox.org/public-inbox.git