Registered · Cross-platform

6789 Ubiquiti UniFi

TCP Unofficial
UDP
SCTP
DCCP

What it is

UniFi mobile speed test.

When / why

UniFi network management.

Protocol status detail

TransportStatusMeaning
TCP Unofficial Not assigned by IANA, but standardized, specified, or widely used on this port.
UDP Not applicable for this transport.
SCTP Not applicable for this transport.
DCCP Not applicable for this transport.

Port range

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

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Firewall rules for port 6789

Copy-ready inbound rules for the active transports. Replace every <source> placeholder with the specific host, subnet, or CIDR that should reach this port.

ufw

sudo ufw allow proto tcp from <source> to any port 6789

Allow TCP 6789 (Ubiquiti UniFi). Replace <source> with the network/host that should reach it.

firewalld

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="6789" protocol="tcp" accept'

Allow TCP 6789 (Ubiquiti UniFi) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 6789 accept

Allow TCP 6789 (Ubiquiti UniFi). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 6789 -j ACCEPT

Allow TCP 6789 (Ubiquiti UniFi). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-ubiquitiunifi-6789 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 6789

Inbound rule for 6789 (Ubiquiti UniFi). Set <source> to a CIDR; lower priority number = higher precedence.

AWS Security Group

aws ec2 authorize-security-group-ingress --group-id <sg-id> --ip-permissions IpProtocol=tcp,FromPort=6789,ToPort=6789,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 6789 (Ubiquiti UniFi). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-ubiquitiunifi-6789 --direction=INGRESS --action=ALLOW --rules=tcp:6789 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 6789 (Ubiquiti UniFi). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Ubiquiti UniFi 6789/TCP" dir=in action=allow protocol=TCP localport=6789 remoteip=<source>

Inbound TCP 6789 (Ubiquiti UniFi). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Ubiquiti UniFi 6789/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 6789 -RemoteAddress <source>

Inbound TCP 6789 (Ubiquiti UniFi). Replace <source> with a host or subnet.

Rules are generated only for transports marked active for this port. They default to an inbound allow with an explicit source placeholder — never any. Review direction, scope, and rule precedence before applying in production.