netdev - Re: regression when connecting to ipv6 localhost

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Date:	Mon, 15 Oct 2012 09:03:25 +0200
From:	Jan Hinnerk Stosch <janhinnerk.stosch@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: regression when connecting to ipv6 localhost

2012/10/15 Eric Dumazet <eric.dumazet@...il.com>:
> # grep bind STRACE
>
>
>
> 12928 bind(16, {sa_family=AF_INET, sin_port=htons(123), sin_addr=inet_addr("0.0.0.0")}, 16) = 0
> 12928 bind(17, {sa_family=AF_INET6, sin6_port=htons(123), inet_pton(AF_INET6, "::", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=0}, 28) = 0
>
> (These two binds are the wildcards to drop ipv4/ipv6 packets sent on other addresses than
>  the following :)
>
> 12928 bind(18, {sa_family=AF_INET, sin_port=htons(123), sin_addr=inet_addr("127.0.0.1")}, 16) = 0
> 12928 bind(19, {sa_family=AF_INET, sin_port=htons(123), sin_addr=inet_addr("192.168.178.27")}, 16) = 0
> 12928 bind(20, {sa_family=AF_INET6, sin6_port=htons(123), inet_pton(AF_INET6, "fe80::922b:34ff:fe33:c292", &sin6_addr), sin6_flowinfo=0, sin6_scope_id=if_nametoindex("eth0")}, 28) = 0
> 12928 bind(21, {sa_family=AF_NETLINK, pid=0, groups=00000771}, 12) = 0
>
> So ntpd doesnt listen on ntp messages sent on ::1
>
>
Ok, so I will report it to the guys from ntp. Thank you for your help
and time debugging this!
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