Linux 2.6.34-gentoo-r12 x86_64 Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz GenuineIntel GNU/Linux
# nginx -V
nginx version: nginx/0.8.53
TLS SNI support enabled
configure arguments: --prefix=/usr --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error_log --pid-path=/var/run/nginx.pid --lock-path=/var/lock/nginx.lock --user=nginx --group=nginx --with-cc-opt=-I/usr/include --with-ld-opt=-L/usr/lib --http-log-path=/var/log/nginx/access_log --http-client-body-temp-path=/var/tmp/nginx/client --http-proxy-temp-path=/var/tmp/nginx/proxy --http-fastcgi-temp-path=/var/tmp/nginx/fastcgi --http-scgi-temp-path=/var/tmp/nginx/scgi --http-uwsgi-temp-path=/var/tmp/nginx/uwsgi --with-ipv6 --with-pcre --without-http_autoindex_module --without-http_browser_module --without-http_charset_module --without-http_geo_module --without-http_map_module --without-http_memcached_module --without-http_referer_module --without-http_ssi_module --without-http_split_clients_module --without-http_userid_module --with-http_realip_module --with-http_ssl_module --without-mail_imap_module --without-mail_pop3_module --without-mail_smtp_module
server {
listen [::]:80 default_server;
listen 80 default_server;
return 444;
}
#According to docs, this config should fail, because without ipv6only=on,
#this line should automatically listen on ipv4 interfaces also.
# netstat -lp | grep nginx
tcp 0 0 *:http *:* LISTEN 31704/nginx.conf
tcp6 0 0 [::]:http [::]:* LISTEN 31704/nginx.conf
server {
listen [::]:80 default_server ipv6only=on;
return 444;
}
#I remove the listen 80 line, and add ipv6only=on
# /etc/init.d/nginx start
* Checking nginx' configuration ...
the configuration file /etc/nginx/nginx.conf syntax is ok
configuration file /etc/nginx/nginx.conf test is successful [ ok ]
* Starting nginx ...
[emerg]: bind() to [2a01:4f8:130:9101::3]:80 failed (98: Address already in use)
[emerg]: bind() to [2a01:4f8:130:9101::3]:80 failed (98: Address already in use)
[emerg]: bind() to [2a01:4f8:130:9101::3]:80 failed (98: Address already in use)
[emerg]: bind() to [2a01:4f8:130:9101::3]:80 failed (98: Address already in use)
[emerg]: bind() to [2a01:4f8:130:9101::3]:80 failed (98: Address already in use)
[emerg]: still could not bind()
* start-stop-daemon: failed to start `/usr/sbin/nginx'
* Failed to start nginx [ !! ]
* ERROR: nginx failed to start
Not only does it not work as described, it seems to be trying to bind a specific address multiple times, and maybe succeeding the first time, because there's nothing else running on any interface port 80, so it fails since it can't successfully bind the same address a second time.
