Update configs with new HTTP2 directive to prevent warning in Nginx 1.25.1+

Author: bradt

sites-available/multisite-subdirectory.com

@@ -1,7 +1,8 @@
 server {
 	# Ports to listen on
-	listen 443 ssl http2;
-	listen [::]:443 ssl http2;
+	listen 443 ssl;
+	listen [::]:443 ssl;
+	http2 on;
 
 	# Server name to listen for
 	server_name multisite-subdirectory.com;

sites-available/multisite-subdomain.com

@@ -1,7 +1,8 @@
 server {
 	# Ports to listen on
-	listen 443 ssl http2;
-	listen [::]:443 ssl http2;
+	listen 443 ssl;
+	listen [::]:443 ssl;
+	http2 on;
 
 	# Server name to listen for
 	server_name multisite-subdomain.com *.multisite-subdomain.com;

sites-available/single-site-with-caching.com

@@ -5,8 +5,9 @@ fastcgi_cache_path /sites/single-site-with-caching.com/cache levels=1:2 keys_zon
 
 server {
 	# Ports to listen on
-	listen 443 ssl http2;
-	listen [::]:443 ssl http2;
+	listen 443 ssl;
+	listen [::]:443 ssl;
+	http2 on;
 
 	# Server name to listen for
 	server_name single-site-with-caching.com;
@@ -69,8 +70,10 @@ server {
 
 # Redirect www to non-www
 server {
-	listen 443 ssl http2;
-	listen [::]:443 ssl http2;
+	listen 443 ssl;
+	listen [::]:443 ssl;
+	http2 on;
+	
 	server_name www.single-site-with-caching.com;
 
 	return 301 https://single-site-with-caching.com$request_uri;

sites-available/single-site.com

@@ -1,7 +1,8 @@
 server {
 	# Ports to listen on
-	listen 443 ssl http2;
-	listen [::]:443 ssl http2;
+	listen 443 ssl;
+	listen [::]:443 ssl;
+	http2 on;
 
 	# Server name to listen for
 	server_name single-site.com;
@@ -51,8 +52,10 @@ server {
 
 # Redirect www to non-www
 server {
-	listen 443 ssl http2;
-	listen [::]:443 ssl http2;
+	listen 443 ssl;
+	listen [::]:443 ssl;
+	http2 on;
+	
 	server_name www.single-site.com;
 
 	return 301 https://single-site.com$request_uri;