Registered · Cross-platform

7777 Game servers (Terraria/SA-MP/Unreal)

TCP Unofficial
UDP Unofficial
SCTP —
DCCP —

What it is

Many game servers (Terraria, SA-MP, Unreal, oracle WebCenter).

When / why

Game hosting; verify before opening.

Protocol status detail

TransportStatusMeaning
TCP Unofficial Not assigned by IANA, but 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.
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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 7777

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 7777

Allow TCP 7777 (Game servers (Terraria/SA-MP/Unreal)). Replace <source> with the network/host that should reach it.

sudo ufw allow proto udp from <source> to any port 7777

Allow UDP 7777 (Game servers (Terraria/SA-MP/Unreal)). 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="7777" protocol="tcp" accept'

Allow TCP 7777 (Game servers (Terraria/SA-MP/Unreal)) from <source>. Run 'firewall-cmd --reload' afterwards.

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="7777" protocol="udp" accept'

Allow UDP 7777 (Game servers (Terraria/SA-MP/Unreal)) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 7777 accept

Allow TCP 7777 (Game servers (Terraria/SA-MP/Unreal)). Assumes table 'inet filter' with an 'input' chain.

nft add rule inet filter input ip saddr <source> udp dport 7777 accept

Allow UDP 7777 (Game servers (Terraria/SA-MP/Unreal)). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 7777 -j ACCEPT

Allow TCP 7777 (Game servers (Terraria/SA-MP/Unreal)). Persist with iptables-save/netfilter-persistent.

sudo iptables -A INPUT -p udp -s <source> --dport 7777 -j ACCEPT

Allow UDP 7777 (Game servers (Terraria/SA-MP/Unreal)). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-gameserversterrariasampu-7777 --priority 1000 --access Allow --direction Inbound --protocol "*" --source-address-prefixes <source> --destination-port-ranges 7777

Inbound rule for 7777 (Game servers (Terraria/SA-MP/Unreal)). 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=7777,ToPort=7777,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 7777 (Game servers (Terraria/SA-MP/Unreal)). 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=7777,ToPort=7777,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound UDP 7777 (Game servers (Terraria/SA-MP/Unreal)). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-gameserversterrariasampu-7777 --direction=INGRESS --action=ALLOW --rules=tcp:7777,udp:7777 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 7777 (Game servers (Terraria/SA-MP/Unreal)). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Game servers (Terraria/SA-MP/Unreal) 7777/TCP" dir=in action=allow protocol=TCP localport=7777 remoteip=<source>

Inbound TCP 7777 (Game servers (Terraria/SA-MP/Unreal)). Set remoteip to a host/subnet; 'any' is discouraged.

netsh advfirewall firewall add rule name="Allow Game servers (Terraria/SA-MP/Unreal) 7777/UDP" dir=in action=allow protocol=UDP localport=7777 remoteip=<source>

Inbound UDP 7777 (Game servers (Terraria/SA-MP/Unreal)). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Game servers (Terraria/SA-MP/Unreal) 7777/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 7777 -RemoteAddress <source>

Inbound TCP 7777 (Game servers (Terraria/SA-MP/Unreal)). Replace <source> with a host or subnet.

New-NetFirewallRule -DisplayName "Allow Game servers (Terraria/SA-MP/Unreal) 7777/UDP" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 7777 -RemoteAddress <source>

Inbound UDP 7777 (Game servers (Terraria/SA-MP/Unreal)). 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.