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-rw-r--r--src/core/ngx_connection.c17
-rw-r--r--src/core/ngx_connection.h4
2 files changed, 21 insertions, 0 deletions
diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index 804ab0916..f413ffbe8 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -282,6 +282,23 @@ ngx_open_listening_sockets(ngx_cycle_t *cycle)
return NGX_ERROR;
}
+#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
+
+ if (ls[i].sockaddr->sa_family == AF_INET6 && ls[i].ipv6only) {
+ int ipv6only;
+
+ ipv6only = (ls[i].ipv6only == 1);
+
+ if (setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
+ (const void *) &ipv6only, sizeof(int))
+ == -1)
+ {
+ ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
+ "setsockopt(IPV6_V6ONLY) %V failed, ignored",
+ &ls[i].addr_text);
+ }
+ }
+#endif
/* TODO: close on exit */
if (!(ngx_event_flags & NGX_USE_AIO_EVENT)) {
diff --git a/src/core/ngx_connection.h b/src/core/ngx_connection.h
index 171078b23..cc6a92989 100644
--- a/src/core/ngx_connection.h
+++ b/src/core/ngx_connection.h
@@ -56,6 +56,10 @@ struct ngx_listening_s {
unsigned shared:1; /* shared between threads or processes */
unsigned addr_ntop:1;
+#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
+ unsigned ipv6only:2;
+#endif
+
#if (NGX_HAVE_DEFERRED_ACCEPT)
unsigned deferred_accept:1;
unsigned delete_deferred:1;