issue Issue 1474 attachment: addrinfo.patch, thanks Jonathan

gluon/main.py

@@ -95,7 +95,7 @@ from settings import global_settings
 from validators import CRYPT
 from cache import CacheInRam
 from html import URL, xmlescape
-from utils import is_valid_ip_address
+from utils import is_valid_ip_address, getipaddrinfo
 from rewrite import load, url_in, THREAD_LOCAL as rwthread, \
     try_rewrite_on_error, fixup_missing_path_info
 import newcron
@@ -471,13 +471,11 @@ def wsgibase(environ, responder):
                             local_hosts.add(socket.gethostname())
                             local_hosts.add(fqdn)
                             local_hosts.update([
-                                ip[4][0] for ip in socket.getaddrinfo(
-                                    fqdn, 0)])
+                                ip[4][0] for ip in getipaddrinfo(fqdn)])
                             if env.server_name:
                                 local_hosts.add(env.server_name)
                                 local_hosts.update([
-                                    ip[4][0] for ip in socket.getaddrinfo(
-                                        env.server_name, 0)])
+                                    ip[4][0] for ip in getipaddrinfo(env.server_name)])
                         except (socket.gaierror, TypeError):
                             pass
                     global_settings.local_hosts = list(local_hosts)