diff --git a/app/nginx-1.11.10/conf/f-stack.conf b/app/nginx-1.11.10/conf/f-stack.conf
index 38b6d078..5f390e77 100644
--- a/app/nginx-1.11.10/conf/f-stack.conf
+++ b/app/nginx-1.11.10/conf/f-stack.conf
@@ -66,6 +66,8 @@ net.inet.tcp.syncache.bucketlimit=100
 
 net.inet.tcp.tcbhashsize=65536
 
+kern.ncallout=262144
+
 [freebsd.sysctl]
 kern.ipc.somaxconn=32768
 kern.ipc.maxsockbuf=16777216
diff --git a/config.ini b/config.ini
index 38b6d078..5f390e77 100644
--- a/config.ini
+++ b/config.ini
@@ -66,6 +66,8 @@ net.inet.tcp.syncache.bucketlimit=100
 
 net.inet.tcp.tcbhashsize=65536
 
+kern.ncallout=262144
+
 [freebsd.sysctl]
 kern.ipc.somaxconn=32768
 kern.ipc.maxsockbuf=16777216