Registered · Cross-platform

4662 eMule

TCP Yes
UDP Unofficial
SCTP
DCCP

What it is

eMule/eDonkey P2P.

When / why

Legacy P2P; typically blocked.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Unofficial Not assigned by IANA, but standardized, specified, or widely used on this port.
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 4662

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 4662

Allow TCP 4662 (eMule). Replace <source> with the network/host that should reach it.

sudo ufw allow proto udp from <source> to any port 4662

Allow UDP 4662 (eMule). 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="4662" protocol="tcp" accept'

Allow TCP 4662 (eMule) from <source>. Run 'firewall-cmd --reload' afterwards.

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="4662" protocol="udp" accept'

Allow UDP 4662 (eMule) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 4662 accept

Allow TCP 4662 (eMule). Assumes table 'inet filter' with an 'input' chain.

nft add rule inet filter input ip saddr <source> udp dport 4662 accept

Allow UDP 4662 (eMule). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 4662 -j ACCEPT

Allow TCP 4662 (eMule). Persist with iptables-save/netfilter-persistent.

sudo iptables -A INPUT -p udp -s <source> --dport 4662 -j ACCEPT

Allow UDP 4662 (eMule). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-emule-4662 --priority 1000 --access Allow --direction Inbound --protocol "*" --source-address-prefixes <source> --destination-port-ranges 4662

Inbound rule for 4662 (eMule). 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=4662,ToPort=4662,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 4662 (eMule). 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=4662,ToPort=4662,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound UDP 4662 (eMule). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-emule-4662 --direction=INGRESS --action=ALLOW --rules=tcp:4662,udp:4662 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 4662 (eMule). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow eMule 4662/TCP" dir=in action=allow protocol=TCP localport=4662 remoteip=<source>

Inbound TCP 4662 (eMule). Set remoteip to a host/subnet; 'any' is discouraged.

netsh advfirewall firewall add rule name="Allow eMule 4662/UDP" dir=in action=allow protocol=UDP localport=4662 remoteip=<source>

Inbound UDP 4662 (eMule). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow eMule 4662/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 4662 -RemoteAddress <source>

Inbound TCP 4662 (eMule). Replace <source> with a host or subnet.

New-NetFirewallRule -DisplayName "Allow eMule 4662/UDP" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 4662 -RemoteAddress <source>

Inbound UDP 4662 (eMule). 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.