Nginx ipv6only setting gotcha

Summary A brief tip on the symptoms of con­fig­u­ra­tion gotcha I ran into when binding Nginx on IPv4 and IPv6 networks. The fix was to set ipv6only=off in the listen directive. Recently I upgraded to Nginx 1.4.0 on my the host for this website from an older version of Nginx. After the upgrade I found that con­nec­tions to port 80 from IPv4 hosts were refused. Con­nec­tions from IPv6 enabled hosts worked fine....

December 14, 2013 · MichaelHughes