Created Firewall (markdown)

Firewall.md

@@ -0,0 +1,30 @@
+# Firewall Setup
+
+The following ports need to be open in your firewall, to allow traffic to the Jitsi Meet server:
+
+* Nginx/Let's Encrypt - 80 TCP
+* Nginx/Jitsi Preload - 443 TCP
+* Firewall Media Fallback - 4443 TCP
+* General Media Traffic - 10000 UDP
+* Jibri communication - 5222 TCP
+* Prosody - 5347 TCP
+* SSH - 22 TCP
+
+If you are using ufw, you can use the following commands:
+
+```
+sudo ufw allow 80/tcp
+sudo ufw allow 443/tcp
+sudo ufw allow 4443/tcp
+sudo ufw allow 10000/udp
+sudo ufw allow 5222/tcp
+sudo ufw allow 5347/tcp
+sudo ufw allow 22/tcp
+sudo ufw enable
+```
+
+Check that all rules are in place,
+
+```
+sudo ufw status verbose
+```