Dynamic · Cross-platform

53317 LocalSend

TCP Unofficial
UDP
SCTP
DCCP

What it is

LocalSend cross-platform file sharing.

When / why

AirDrop-style LAN file transfer.

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

Dynamic / private (49152–65535). Cannot be IANA-registered; used for ephemeral allocation and custom services.

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Firewall rules for port 53317

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 53317

Allow TCP 53317 (LocalSend). 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="53317" protocol="tcp" accept'

Allow TCP 53317 (LocalSend) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 53317 accept

Allow TCP 53317 (LocalSend). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 53317 -j ACCEPT

Allow TCP 53317 (LocalSend). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-localsend-53317 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 53317

Inbound rule for 53317 (LocalSend). 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=53317,ToPort=53317,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 53317 (LocalSend). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-localsend-53317 --direction=INGRESS --action=ALLOW --rules=tcp:53317 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 53317 (LocalSend). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow LocalSend 53317/TCP" dir=in action=allow protocol=TCP localport=53317 remoteip=<source>

Inbound TCP 53317 (LocalSend). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow LocalSend 53317/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 53317 -RemoteAddress <source>

Inbound TCP 53317 (LocalSend). 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.