diff --git a/README.md b/README.md
index 1d2057a..0e2a107 100644
--- a/README.md
+++ b/README.md
@@ -70,7 +70,30 @@ nameserver 1.1.1.1
 
 # Firewall
 
-```ssh
+Control
+
+```sh
+pfctl -sr    # view rules
+pfctl -ss    # view state
+pfctl -si    # view stats
+pfctl -sa    # view all
+```
+
+Write Rules
+
+:floppy_disk: `/etc/pf.conf`
+
+```sh
+lan = stge0
+block out tcp from $lan to any port {80,443}
+```
+
+Apply rules
+
+```sh
+pfctl -d
+pfctl -f /etc/pf.conf
+pfctl -e
 ```
 
 
@@ -94,6 +117,10 @@ rcctl status httpd
 
 # Check
 fstat | grep ':80'
+httpd -n
+
+# Test
+
 ```
 
 PHP