document firewall rule for mqtt access

2022-12-29 19:39:44 +01:00
parent 7fc2bd9163
commit 9bd494567f
1 changed files with 1 additions and 0 deletions
@@ -47,6 +47,7 @@ enable EPEL Repo:
 # dnf install firewalld
 # firewall-cmd --add-service={http,https} --permanent
 # firewall-cmd --remove-service=cockpit --permanent
+# firewall-cmd --add-port=1883/tcp --permanent   ; only for MQTT
 # firewall-cmd --reload

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