netdev - Re: [Patch net] wireguard: preserve skb->mark on ingress side

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 27 Sep 2021 21:22:44 -0600
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Cong Wang <xiyou.wangcong@...il.com>
Cc:     Netdev <netdev@...r.kernel.org>,
        WireGuard mailing list <wireguard@...ts.zx2c4.com>,
        Cong Wang <cong.wang@...edance.com>,
        Peilin Ye <peilin.ye@...edance.com>
Subject: Re: [Patch net] wireguard: preserve skb->mark on ingress side

Hi Cong,

I'm not so sure this makes sense, as the inner packet is in fact
totally different. If you want to distinguish the ingress interface,
can't you just use `iptables -i wg0` or `ip rule add ... iif wg0`?

Jason