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From: "Toke Høiland-Jørgensen" <toke@toke.dk>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>,
	WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: Sending just ssh traffic via wg
Date: Fri, 05 Oct 2018 12:03:04 +0200	[thread overview]
Message-ID: <874le0d82v.fsf@toke.dk> (raw)
In-Reply-To: <CAHmME9rt2irKq1JFkkWdNLKFTJapCKopkUCpnyXugN=dUWqW=A@mail.gmail.com>

"Jason A. Donenfeld" <Jason@zx2c4.com> writes:

> Hey Konstantin,
>
> When you're doing policy routing with packets that are being forwarded
> by the system -- a router, for example -- then the prerouting table is
> sufficient. But for locally generated packets, you have to use the
> OUTPUT table and also probably MASQUERADE. I just reproduced
> everything here and confirm this works:
>
> ip route add default dev wg0 table 2468
> ip rule add fwmark 1234 table 2468
> wg set wg0 peer [...] allowed-ips 0.0.0.0/0
> sysctl net.ipv4.conf.wg0.rp_filter=0
> iptables -t nat -A POSTROUTING -p tcp --dport 22 -m addrtype
> --src-type LOCAL -j MASQUERADE
> iptables -t mangle -A OUTPUT -p tcp --dport 22 -j MARK --set-mark 1234

Any reason why you can't just do

ip rule add dport 22 lookup 2468

?

-Toke
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  reply	other threads:[~2018-10-05 10:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-04 15:53 Sending just ssh traffic via wg Konstantin Ryabitsev
2018-10-04 18:56 ` Jason A. Donenfeld
2018-10-05 10:03   ` Toke Høiland-Jørgensen [this message]
2018-10-05 15:41     ` Jason A. Donenfeld
2018-10-05 15:53     ` Konstantin Ryabitsev
2018-10-05 16:32       ` Matthias Urlichs
2018-10-05 21:01         ` Konstantin Ryabitsev
2018-10-05 17:34       ` Jason A. Donenfeld
     [not found] <mailman.1.1538820001.22807.wireguard@lists.zx2c4.com>
2018-10-06 10:21 ` Brian Candler
2018-10-06 10:27   ` Roman Mamedov
2018-10-06 10:28     ` Brian Candler
2018-10-06 13:41   ` Konstantin Ryabitsev

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