Registered · macOS

3283 Apple Remote Desktop

TCP Yes
UDP Yes
SCTP —
DCCP —

What it is

Apple Net Assistant / Remote Desktop.

When / why

Mac fleet remote management.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Yes Assigned by IANA and standardized, specified, or widely used on this port.
SCTP — Not applicable for this transport.
DCCP — Not applicable for this transport.
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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 3283

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 3283

Allow TCP 3283 (Apple Remote Desktop). Replace <source> with the network/host that should reach it.

sudo ufw allow proto udp from <source> to any port 3283

Allow UDP 3283 (Apple Remote Desktop). 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="3283" protocol="tcp" accept'

Allow TCP 3283 (Apple Remote Desktop) from <source>. Run 'firewall-cmd --reload' afterwards.

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="3283" protocol="udp" accept'

Allow UDP 3283 (Apple Remote Desktop) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 3283 accept

Allow TCP 3283 (Apple Remote Desktop). Assumes table 'inet filter' with an 'input' chain.

nft add rule inet filter input ip saddr <source> udp dport 3283 accept

Allow UDP 3283 (Apple Remote Desktop). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 3283 -j ACCEPT

Allow TCP 3283 (Apple Remote Desktop). Persist with iptables-save/netfilter-persistent.

sudo iptables -A INPUT -p udp -s <source> --dport 3283 -j ACCEPT

Allow UDP 3283 (Apple Remote Desktop). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-appleremotedesktop-3283 --priority 1000 --access Allow --direction Inbound --protocol "*" --source-address-prefixes <source> --destination-port-ranges 3283

Inbound rule for 3283 (Apple Remote Desktop). 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=3283,ToPort=3283,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 3283 (Apple Remote Desktop). Replace <source-cidr> (e.g. 10.0.0.0/16).

aws ec2 authorize-security-group-ingress --group-id <sg-id> --ip-permissions IpProtocol=udp,FromPort=3283,ToPort=3283,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound UDP 3283 (Apple Remote Desktop). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-appleremotedesktop-3283 --direction=INGRESS --action=ALLOW --rules=tcp:3283,udp:3283 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 3283 (Apple Remote Desktop). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Apple Remote Desktop 3283/TCP" dir=in action=allow protocol=TCP localport=3283 remoteip=<source>

Inbound TCP 3283 (Apple Remote Desktop). Set remoteip to a host/subnet; 'any' is discouraged.

netsh advfirewall firewall add rule name="Allow Apple Remote Desktop 3283/UDP" dir=in action=allow protocol=UDP localport=3283 remoteip=<source>

Inbound UDP 3283 (Apple Remote Desktop). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Apple Remote Desktop 3283/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 3283 -RemoteAddress <source>

Inbound TCP 3283 (Apple Remote Desktop). Replace <source> with a host or subnet.

New-NetFirewallRule -DisplayName "Allow Apple Remote Desktop 3283/UDP" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 3283 -RemoteAddress <source>

Inbound UDP 3283 (Apple Remote Desktop). 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.