netdev - Re: [iproute PATCH] ss: Distinguish between IPv4 and IPv6 wildcard sockets

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Message-ID: <20171023144142.7496e791@shemminger-XPS-13-9360>
Date:   Mon, 23 Oct 2017 14:41:42 +0200
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Phil Sutter <phil@....cc>
Cc:     netdev@...r.kernel.org, Humberto Alves <hjalves@...e.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [iproute PATCH] ss: Distinguish between IPv4 and IPv6 wildcard
 sockets

On Wed, 18 Oct 2017 19:58:13 +0200
Phil Sutter <phil@....cc> wrote:

> Commit aba9c23a6e1cb ("ss: enclose IPv6 address in brackets") unified
> display of wildcard sockets in IPv4 and IPv6 to print the unspecified
> address as '*'. Users then complained that they can't distinguish
> between address families anymore, so change this again to what Stephen
> Hemminger suggested:
> 
> | *:80    << both IPV6 and IPV4
> | [::]:80 << IPV6_ONLY
> | 0.0.0.0:80  << IPV4_ONLY
> 
> Note that on older kernels which don't support INET_DIAG_SKV6ONLY
> attribute, pure IPv6 sockets will still show as '*'.
> 
> Cc: Humberto Alves <hjalves@...e.com>
> Cc: Eric Dumazet <eric.dumazet@...il.com>
> Signed-off-by: Phil Sutter <phil@....cc>

Applied both.