Registered · Windows

9389 AD DS Web Services (ADWS)

TCP Yes
UDP
SCTP
DCCP

What it is

Active Directory Web Services — used by PowerShell AD cmdlets.

When / why

AD administration via PowerShell. Domain controllers only.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and 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.

Browse all ports →

Firewall rules for port 9389

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 9389

Allow TCP 9389 (AD DS Web Services (ADWS)). 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="9389" protocol="tcp" accept'

Allow TCP 9389 (AD DS Web Services (ADWS)) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 9389 accept

Allow TCP 9389 (AD DS Web Services (ADWS)). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 9389 -j ACCEPT

Allow TCP 9389 (AD DS Web Services (ADWS)). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-addswebservicesadws-9389 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 9389

Inbound rule for 9389 (AD DS Web Services (ADWS)). 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=9389,ToPort=9389,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 9389 (AD DS Web Services (ADWS)). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-addswebservicesadws-9389 --direction=INGRESS --action=ALLOW --rules=tcp:9389 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 9389 (AD DS Web Services (ADWS)). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow AD DS Web Services (ADWS) 9389/TCP" dir=in action=allow protocol=TCP localport=9389 remoteip=<source>

Inbound TCP 9389 (AD DS Web Services (ADWS)). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow AD DS Web Services (ADWS) 9389/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 9389 -RemoteAddress <source>

Inbound TCP 9389 (AD DS Web Services (ADWS)). 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.