diff --git a/docs/linux/selinux.md b/docs/linux/selinux.md
index 1167186..e88730d 100644
--- a/docs/linux/selinux.md
+++ b/docs/linux/selinux.md
@@ -1,14 +1,16 @@
 
 # SELinux
 
-## Nginx
+## Nginx and other
 ```
-# Allow open local  port
+# Allow open local port
 semanage port -a -t http_port_t -p tcp 28081
-
 # or
 semanage port -a -t openvpn_port_t -p tcp 2222
 semanage port -a -t openvpn_port_t -p udp 2222
+# or
+semanage port -a -t dns_port_t -p tcp 5353
+semanage port -a -t dns_port_t -p udp 5353
 
 
 # Allow open remote port