Registered · Cross-platform

9092 Apache Kafka

TCP Unofficial
UDP
SCTP
DCCP

What it is

Kafka broker client/broker listener.

When / why

Event streaming. Secure with SASL/TLS; cluster-internal where possible.

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.

Browse all ports →

Firewall rules for port 9092

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 9092

Allow TCP 9092 (Apache Kafka). 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="9092" protocol="tcp" accept'

Allow TCP 9092 (Apache Kafka) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 9092 accept

Allow TCP 9092 (Apache Kafka). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 9092 -j ACCEPT

Allow TCP 9092 (Apache Kafka). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-apachekafka-9092 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 9092

Inbound rule for 9092 (Apache Kafka). 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=9092,ToPort=9092,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 9092 (Apache Kafka). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-apachekafka-9092 --direction=INGRESS --action=ALLOW --rules=tcp:9092 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 9092 (Apache Kafka). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Apache Kafka 9092/TCP" dir=in action=allow protocol=TCP localport=9092 remoteip=<source>

Inbound TCP 9092 (Apache Kafka). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Apache Kafka 9092/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 9092 -RemoteAddress <source>

Inbound TCP 9092 (Apache Kafka). 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.