Registered · Cross-platform

6081 Geneve

TCP Yes
UDP Yes
SCTP
DCCP

What it is

Generic Network Virtualization Encapsulation.

When / why

Modern overlay (NSX-T, AWS Gateway Load Balancer).

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.

Port range

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

Browse all ports →

Firewall rules for port 6081

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 6081

Allow TCP 6081 (Geneve). Replace <source> with the network/host that should reach it.

sudo ufw allow proto udp from <source> to any port 6081

Allow UDP 6081 (Geneve). 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="6081" protocol="tcp" accept'

Allow TCP 6081 (Geneve) from <source>. Run 'firewall-cmd --reload' afterwards.

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="6081" protocol="udp" accept'

Allow UDP 6081 (Geneve) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 6081 accept

Allow TCP 6081 (Geneve). Assumes table 'inet filter' with an 'input' chain.

nft add rule inet filter input ip saddr <source> udp dport 6081 accept

Allow UDP 6081 (Geneve). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 6081 -j ACCEPT

Allow TCP 6081 (Geneve). Persist with iptables-save/netfilter-persistent.

sudo iptables -A INPUT -p udp -s <source> --dport 6081 -j ACCEPT

Allow UDP 6081 (Geneve). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-geneve-6081 --priority 1000 --access Allow --direction Inbound --protocol "*" --source-address-prefixes <source> --destination-port-ranges 6081

Inbound rule for 6081 (Geneve). 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=6081,ToPort=6081,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 6081 (Geneve). 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=6081,ToPort=6081,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound UDP 6081 (Geneve). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-geneve-6081 --direction=INGRESS --action=ALLOW --rules=tcp:6081,udp:6081 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 6081 (Geneve). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Geneve 6081/TCP" dir=in action=allow protocol=TCP localport=6081 remoteip=<source>

Inbound TCP 6081 (Geneve). Set remoteip to a host/subnet; 'any' is discouraged.

netsh advfirewall firewall add rule name="Allow Geneve 6081/UDP" dir=in action=allow protocol=UDP localport=6081 remoteip=<source>

Inbound UDP 6081 (Geneve). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Geneve 6081/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 6081 -RemoteAddress <source>

Inbound TCP 6081 (Geneve). Replace <source> with a host or subnet.

New-NetFirewallRule -DisplayName "Allow Geneve 6081/UDP" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 6081 -RemoteAddress <source>

Inbound UDP 6081 (Geneve). 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.