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Re: IPv4 & IPv6

Maxim Dounin
April 06, 2013 06:40AM
Hello!

On Sat, Apr 06, 2013 at 02:25:54AM -0400, B.R. wrote:

> Hello,
>
> It seems I solved the problem...
> It was indeed by reading a little more carefully the doc
> http://wiki.nginx.org/HttpCoreModule#listen, thanks @Lukas! ;o)
>
> The '*:80' syntax is used for IPv4 listening, I don't understand why it
> works as-is for you Ted. Maybe Maxim will be of a better help on that case.
>
> It is said that the IPv6 syntax will make Nginx listen for the 6to4 IP
> address syntax, making the websites reachable through IPv4, even if no
> specific IPv4 binding exist for the listening sockets.
> Using:
> listen [::]:80;
>
> I have:
> $ sudo ss -lnp|grep nginx
> 0 128 :::80
> :::* users:(("nginx",***,11),("nginx",***,11))
> 0 128 :::443
> :::* users:(("nginx",***,12),("nginx",***,12))
>
> You shall *not* have 2 'listen' directive if you did not separate you IPv6
> and IPv4 stacks (with the sysctl net.ipv6.bindv6only directive set to 1).

This is wrong aproach and it will no longer work for you after
1.3.x upgrade. As I already suggested, use

listen 80;
listen [::]:80 ipv6only=on;

instead as a portable solution, which doesn't depend on a system
configuration. (In 1.3.x, the "ipv6only=on" part can be removed
as it's now the default.)

--
Maxim Dounin
http://nginx.org/en/donation.html

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Subject Author Posted

IPv4 & IPv6

B.R. April 05, 2013 04:20PM

Re: IPv4 & IPv6

Maxim Dounin April 05, 2013 05:44PM

Re: IPv4 & IPv6

Ted Lemon April 05, 2013 05:48PM

RE: IPv4 & IPv6

Lukas Tribus April 05, 2013 05:50PM

Re: IPv4 & IPv6

B.R. April 05, 2013 06:10PM

Re: IPv4 & IPv6

Maxim Dounin April 05, 2013 06:22PM

Re: IPv4 & IPv6

B.R. April 05, 2013 08:04PM

Re: IPv4 & IPv6

B.R. April 05, 2013 08:50PM

Re: IPv4 & IPv6

B.R. April 06, 2013 02:28AM

Re: IPv4 & IPv6

Maxim Dounin April 06, 2013 06:40AM

Re: IPv4 & IPv6

B.R. April 06, 2013 10:54AM

Re: IPv4 & IPv6

B.R. April 06, 2013 11:04AM

Re: IPv4 & IPv6

Igor Sysoev April 06, 2013 11:24AM

Re: IPv4 & IPv6

B.R. April 06, 2013 04:08PM

Re: IPv4 & IPv6

Jim Ohlstein April 06, 2013 04:46PM

Re: IPv4 & IPv6

Igor Sysoev April 07, 2013 02:40AM

Re: IPv4 & IPv6

Maxim Dounin April 06, 2013 05:26PM

Re: IPv4 & IPv6

B.R. April 06, 2013 05:46PM

Re: IPv4 & IPv6

Ted Lemon April 05, 2013 06:34PM



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