Re: [PATCH v3] tcp: Add listening address to SYN flood message

[Eric Dumazet]

On Sun, Nov 13, 2022 at 5:00 PM Jamie Bainbridge
<jamie.bainbridge@xxxxxxxxx> wrote:
>
> The SYN flood message prints the listening port number, but with many
> processes bound to the same port on different IPs, it's impossible to
> tell which socket is the problem.
>
> Add the listen IP address to the SYN flood message.
>
> For IPv6 use "[IP]:port" as per RFC-5952 and to provide ease of
> copy-paste to "ss" filters. For IPv4 use "IP:port" to match.
>
> Each protcol's "any" address and a host address now look like:
>
>  Possible SYN flooding on port 0.0.0.0:9001.
>  Possible SYN flooding on port 127.0.0.1:9001.
>  Possible SYN flooding on port [::]:9001.
>  Possible SYN flooding on port [fc00::1]:9001.
>
> Signed-off-by: Jamie Bainbridge <jamie.bainbridge@xxxxxxxxx>
> ---

Reviewed-by: Eric Dumazet <edumazet@xxxxxxxxxx>