diff --git a/etc/nginx/nginx-intermediate.conf b/etc/nginx/nginx-intermediate.conf
index 3fc57ff..963476d 100644
--- a/etc/nginx/nginx-intermediate.conf
+++ b/etc/nginx/nginx-intermediate.conf
@@ -4,12 +4,14 @@ worker_cpu_affinity auto;
 worker_rlimit_nofile 100000;
 pid /run/nginx.pid;
 
+pcre_jit on;
+
 events
 {
-    worker_connections 16384;
     multi_accept on;
+    worker_connections  50000;
+    accept_mutex on;
     use epoll;
-}
 
 http
 {
diff --git a/etc/nginx/nginx-tlsv12.conf b/etc/nginx/nginx-tlsv12.conf
index 3046ae3..322373c 100644
--- a/etc/nginx/nginx-tlsv12.conf
+++ b/etc/nginx/nginx-tlsv12.conf
@@ -4,10 +4,13 @@ worker_cpu_affinity auto;
 worker_rlimit_nofile 100000;
 pid /run/nginx.pid;
 
+pcre_jit on;
+
 events
 {
-    worker_connections 16384;
     multi_accept on;
+    worker_connections  50000;
+    accept_mutex on;
     use epoll;
 }
 
diff --git a/etc/nginx/nginx.conf b/etc/nginx/nginx.conf
index d72797b..2159b9c 100644
--- a/etc/nginx/nginx.conf
+++ b/etc/nginx/nginx.conf
@@ -10,8 +10,7 @@ events
 {
     multi_accept on;
     worker_connections  50000;
-    accept_mutex off;
-    accept_mutex_delay 200ms;
+    accept_mutex on;
     use epoll;
 }