diff --git a/sites-available/default_ffhh b/sites-available/default_ffhh
index f449b36..910d18d 100644
--- a/sites-available/default_ffhh
+++ b/sites-available/default_ffhh
@@ -1,5 +1,4 @@
 server {
-	listen 80 default_server;
         listen [::]:80 default_server;
 
 	root /var/www/wordpress; #/usr/share/nginx/html;
diff --git a/sites-available/formular_ffhh b/sites-available/formular_ffhh
index 847c19e..844ee16 100644
--- a/sites-available/formular_ffhh
+++ b/sites-available/formular_ffhh
@@ -1,5 +1,4 @@
 server {
-	listen   80;
 	listen   [::]:80;
 	server_name formular.hamburg.freifunk.net formular.services.ffhh formular.ffhh;
 
diff --git a/sites-available/graph_ffhh b/sites-available/graph_ffhh
index bb01f6e..c294924 100644
--- a/sites-available/graph_ffhh
+++ b/sites-available/graph_ffhh
@@ -1,5 +1,4 @@
 server {
-	listen			80;
 	listen			[::]:80;
 	server_name		graph.hamburg.freifunk.net knotengraph.ffhh;
 
diff --git a/sites-available/mail b/sites-available/mail
index 952826b..7cf4ed8 100644
--- a/sites-available/mail
+++ b/sites-available/mail
@@ -1,5 +1,5 @@
 server {
-	listen 80;
+	listen [::]:80;
 
 	server_name _;
 
@@ -13,7 +13,7 @@ server {
 }
 
 server {
-	listen 443;
+	listen [::]:443;
 
 	server_name _;
 
diff --git a/sites-available/meta_ffhh b/sites-available/meta_ffhh
index ddfe1b8..b2b6f71 100644
--- a/sites-available/meta_ffhh
+++ b/sites-available/meta_ffhh
@@ -1,5 +1,4 @@
 server {
-	listen   80;
 	listen   [::]:80; 
 	server_name meta.hamburg.freifunk.net;
 
diff --git a/sites-available/monitor_ffhh b/sites-available/monitor_ffhh
index adb4074..473c591 100644
--- a/sites-available/monitor_ffhh
+++ b/sites-available/monitor_ffhh
@@ -1,5 +1,5 @@
 server {
-    listen 80;
+    listen [::]:80;
     server_name dev.hamburg.freifunk.net;
    
     access_log off; # Bitte nicht aktivieren. Wir wollen ja nicht die IPs unserer Visitor loggen.
diff --git a/sites-available/opkg_ffhh b/sites-available/opkg_ffhh
index 41e4d40..4a5ffb5 100644
--- a/sites-available/opkg_ffhh
+++ b/sites-available/opkg_ffhh
@@ -1,5 +1,4 @@
 server {
-	#listen   80;
 	listen   [::]:80;
 	server_name opkg.services.ffhh;
 
diff --git a/sites-available/postfixadmin_ffhh b/sites-available/postfixadmin_ffhh
index 13005af..5523e05 100644
--- a/sites-available/postfixadmin_ffhh
+++ b/sites-available/postfixadmin_ffhh
@@ -1,7 +1,6 @@
 # HTTP redirect to HTTPS
 
 server {
-	listen		80;
         listen [::]:80;
 #        listen          443; 
 	server_name	postmaster.hamburg.freifunk.net postmaster.services.ffhh;
@@ -18,7 +17,6 @@ server {
 # HTTPS server
 
 server {
-	listen                      	443;
 	listen                      	[::]443;
 	server_name			postmaster.hamburg.freifunk.net postmaster.services.ffhh;
 	access_log off; # Bitte nicht aktivieren. Wir wollen ja nicht die IPs unserer Visitor loggen.
diff --git a/sites-available/start_ffhh b/sites-available/start_ffhh
index 32e2870..b1038d9 100644
--- a/sites-available/start_ffhh
+++ b/sites-available/start_ffhh
@@ -1,5 +1,4 @@
 server {
-	listen   80;
 	listen   [::]:80;
 	server_name start.hamburg.freifunk.net start.ffhh;
 
diff --git a/sites-available/wordpress_ffhh b/sites-available/wordpress_ffhh
index da385cb..1baa9a8 100644
--- a/sites-available/wordpress_ffhh
+++ b/sites-available/wordpress_ffhh
@@ -1,6 +1,5 @@
 server {
-	listen				80;		# ipv4 http
-	listen				[::]:80;	# ipv6 http
+	listen				[::]:80;
 
 	server_name			hamburg.freifunk.net www.hamburg.freifunk.net freifunk.ffhh;
     access_log off; # Bitte nicht aktivieren. Wir wollen ja nicht die IPs unserer Visitor loggen.
@@ -9,8 +8,7 @@ server {
 }
 
 server {
-	listen				443 ssl;	# ipv4 https
-	listen				[::]:443 ssl;	# ipv6 https
+	listen				[::]:443 ssl;
 
 	server_name			hamburg.freifunk.net www.hamburg.freifunk.net freifunk.ffhh;