Update cloudflared.md

Add a step if cloudflared runs on different machine

Signed-off-by: ChristophorusReyhan <[email protected]>

Author: ChristophorusReyhan

docs/guides/dns/cloudflared.md

@@ -84,6 +84,13 @@ Edit configuration file by copying the following in to `/etc/default/cloudflared
 CLOUDFLARED_OPTS=--port 5053 --upstream https://1.1.1.1/dns-query --upstream https://1.0.0.1/dns-query
 ```
 
+If you're running cloudflared on different host than pi-hole, you can add listening address to all IPs:
+
+```bash
+# Commandline args for cloudflared, using Cloudflare DNS
+CLOUDFLARED_OPTS=--port 5053 --upstream https://1.1.1.1/dns-query --upstream https://1.0.0.1/dns-query --address 0.0.0.0
+```
+
 Update the permissions for the configuration file and `cloudflared` binary to allow access for the cloudflared user:
 
 ```bash