diff --git a/fachschaften.at/crawler.conf b/fachschaften.at/crawler.conf
index 52a6753..11a960e 100644
--- a/fachschaften.at/crawler.conf
+++ b/fachschaften.at/crawler.conf
@@ -34,8 +34,7 @@ server {
     }
     location @crawler {
         proxy_pass http://fachschaften:8080;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }      
 }
 
diff --git a/fachschaften.at/default.conf b/fachschaften.at/default.conf
index 7bdfeac..c7227bb 100644
--- a/fachschaften.at/default.conf
+++ b/fachschaften.at/default.conf
@@ -25,7 +25,6 @@ server {
     }
     location / {
         proxy_pass http://fachschaften.local:3000;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
 }
diff --git a/fet.at/cloud.conf b/fet.at/cloud.conf
index cd0c773..55570ff 100644
--- a/fet.at/cloud.conf
+++ b/fet.at/cloud.conf
@@ -25,8 +25,7 @@ server {
     index index.php;
     location / {
         proxy_pass http://192.168.95.22;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
         proxy_buffering off;
         proxy_request_buffering off;
         client_body_buffer_size 32K;
diff --git a/fet.at/default.conf b/fet.at/default.conf
index a453e5e..2e6fe77 100644
--- a/fet.at/default.conf
+++ b/fet.at/default.conf
@@ -30,8 +30,7 @@ server {
 
     location /etherpad {
         proxy_pass http://192.168.95.11:3333;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
 }
 
@@ -50,8 +49,7 @@ server {
 
     location / {
         proxy_pass http://192.168.95.11:3333;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
     location ~ ^/(alt|twiki) {
         return 302 https://www.alt.fet.at$request_uri;
diff --git a/fet.at/git.conf b/fet.at/git.conf
index 3e97a9f..ada73e7 100644
--- a/fet.at/git.conf
+++ b/fet.at/git.conf
@@ -19,5 +19,6 @@ server {
 
     location / {
         proxy_pass http://zyklon:3000;
+        include snippets/proxy_header.conf;
     }
 }
diff --git a/triton.fet.at/onetufree.conf b/triton.fet.at/onetufree.conf
index edd54ac..41485e7 100644
--- a/triton.fet.at/onetufree.conf
+++ b/triton.fet.at/onetufree.conf
@@ -55,11 +55,8 @@ server {
 #        rewrite ^/wp/(.*)$ /$1 break;
 #        return 301 http://$host$request_uri;
         proxy_pass http://triamp;
+        include snippets/proxy_header.conf;
         proxy_set_header Accept-Encoding ""; 
-        proxy_set_header Host www.onetufree.at;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X_FORWARDED_SSL on;
-        proxy_set_header HTTP_X_FORWARDED_SSL on;
         proxy_redirect default;
 
 #        more_set_headers 'Link: <https://wp.triton.fet.at/index.php/wp-json/>; rel="https://api.w.org/", <https://wp.triton.fet.at/>; rel=shortlink'
diff --git a/triton.fet.at/sql.triton.fet.at.conf b/triton.fet.at/sql.triton.fet.at.conf
index 1d9f807..dcac01f 100644
--- a/triton.fet.at/sql.triton.fet.at.conf
+++ b/triton.fet.at/sql.triton.fet.at.conf
@@ -23,10 +23,8 @@ server {
 
     location / {
         proxy_pass http://triampsql;
+        include snippets/proxy_header.conf;
         proxy_set_header Accept-Encoding ""; 
-        proxy_set_header Host sql.triton.fet.at;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X_FORWARDED_SSL on;
         proxy_redirect default;
 
         # force https Links
diff --git a/triton.fet.at/testrby.conf b/triton.fet.at/testrby.conf
index bcae3fc..eddd5b7 100644
--- a/triton.fet.at/testrby.conf
+++ b/triton.fet.at/testrby.conf
@@ -40,19 +40,16 @@ server {
 
     location / {
         proxy_pass http://mogok.local:3001;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
     location /tc {
         rewrite ^/tc/(.*)$ /$1 break;
         proxy_pass http://triton-amp.local:8080;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
     location /conf {
         rewrite ^/conf/(.*)$ /$1 break;
         proxy_pass http://mogok.local:8001;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
 }
diff --git a/triton.fet.at/testrbyandi.conf b/triton.fet.at/testrbyandi.conf
index 6e542cb..6b7ab89 100644
--- a/triton.fet.at/testrbyandi.conf
+++ b/triton.fet.at/testrbyandi.conf
@@ -40,19 +40,16 @@ server {
 
     location / {
         proxy_pass http://mogok.local:3002;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
     location /tc {
         rewrite ^/tc/(.*)$ /$1 break;
         proxy_pass http://triton-amp.local:8080;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
     location /conf {
         rewrite ^/conf/(.*)$ /$1 break;
         proxy_pass http://mogok.local:8001;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
+        include snippets/proxy_header.conf;
     }
 }
diff --git a/triton.fet.at/wp2.conf b/triton.fet.at/wp2.conf
index 3c52e22..b4555c1 100644
--- a/triton.fet.at/wp2.conf
+++ b/triton.fet.at/wp2.conf
@@ -29,12 +29,8 @@ server {
 #        rewrite ^/wp/(.*)$ /$1 break;
 #        return 301 http://$host$request_uri;
         proxy_pass http://triamp2;
+        include snippets/proxy_header.conf;
         proxy_set_header Accept-Encoding ""; 
-        proxy_set_header Host wp2.triton.fet.at;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X_FORWARDED_SSL on;
-        proxy_set_header REQUEST_SCHEME https;
-        proxy_set_header HTTP_X_FORWARDED_SSL on;
         proxy_redirect default;
 
 #        more_set_headers 'Link: <https://wp.triton.fet.at/index.php/wp-json/>; rel="https://api.w.org/", <https://wp.triton.fet.at/>; rel=shortlink'