Registered · Cross-platform

25565 Minecraft Java

TCP Unofficial
UDP
SCTP
DCCP

What it is

Minecraft Java Edition multiplayer server.

When / why

The default Minecraft Java server port.

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 25565

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 25565

Allow TCP 25565 (Minecraft Java). 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="25565" protocol="tcp" accept'

Allow TCP 25565 (Minecraft Java) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 25565 accept

Allow TCP 25565 (Minecraft Java). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 25565 -j ACCEPT

Allow TCP 25565 (Minecraft Java). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-minecraftjava-25565 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 25565

Inbound rule for 25565 (Minecraft Java). 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=25565,ToPort=25565,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 25565 (Minecraft Java). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-minecraftjava-25565 --direction=INGRESS --action=ALLOW --rules=tcp:25565 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 25565 (Minecraft Java). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Minecraft Java 25565/TCP" dir=in action=allow protocol=TCP localport=25565 remoteip=<source>

Inbound TCP 25565 (Minecraft Java). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Minecraft Java 25565/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 25565 -RemoteAddress <source>

Inbound TCP 25565 (Minecraft Java). 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.