NGINX not binding to localhost:80 only 127.0.0.1:80

[Maxim Dounin]

Hello!

On Thu, Dec 20, 2012 at 05:07:26PM -0800, Bill Culp wrote:

> Maxim,
> 
> I used the 
> 
> listen localhost:80;
> listen [::]:80;
> 
> And now the server responds to localhost.
> 
> Not sure why this would be happening unless nginx was binding to v6 rather than v4
> either way its nice to have that annoyance gone.

The problem is not that nginx binded to ipv6 - it instead binded 
to ipv4 only.  But the tool you've used to connect to nginx only 
used ipv6 (or used ipv6 as first option, and didn't fallback to 
other addresses).

> 
> Thanks!
> On Dec 20, 2012, at 2:27 PM, Maxim Dounin <mdounin at mdounin.ru> wrote:
> 
> > Hello!
> > 
> > On Thu, Dec 20, 2012 at 12:41:26PM -0800, Bill Culp wrote:
> > 
> >> Ive had this issue with tomcat apache in the past and always 
> >> fixed it by specifying localhost as part of the listen directive 
> >> - not working with NGINX on OS X.
> >> 
> >> NGINX is responding to 127.0.0.1 - but localhost it just drops 
> >> the connection (its not refusing the connection, just dropping 
> >> it)…
> >> 
> >> Is there a way to fix this I have tried listen *:80, listen 
> >> localhost:80  and still I cant reach it through the browser 
> >> using localhost.
> >> 
> >> localhost is resolvable with ping and has its entry in the hosts 
> >> file.
> > 
> > As of now
> > 
> >    listen localhost:80;
> > 
> > will only listen on first ipv4 address resolved from the localhost 
> > name.  If you want nginx to listen on all ip addresses (likely 
> > ipv4 127.0.0.1 and ipv6 ::1 in your case), you have to list them 
> > explicitly, like this:
> > 
> >    listen 127.0.0.1:80;
> >    listen [::1]:80;
> > 
> > Or listen on both ipv4 and ipv6 wildcard addresses, like this:
> > 
> >    listen *:80;
> >    listen [::]:80;
> > 
> > Note well that to work with ipv6 addresses you need nginx compiled 
> > with ipv6 support.
> > 
> > -- 
> > Maxim Dounin
> > http://nginx.com/support.html
> > 
> > _______________________________________________
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> > nginx at nginx.org
> > http://mailman.nginx.org/mailman/listinfo/nginx
> 
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-- 
Maxim Dounin
http://nginx.com/support.html