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// DevOps, cloud & containers

Port 8116: Check Point Clustering

Port 8116 is assigned by IANA to cp-cluster (Check Point Clustering).

8116

How cp-cluster works

DevOps, cloud & containers
adminhostcp-cluster adminhostcp-cluster

Commands sent to port 8116 create and control containers or cluster resources on the host.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
DevOps, cloud & containers
01 Security

Is port 8116 dangerous?

We have no specific security note for port 8116. Its risk depends on the program actually listening on it. General advice for devops, cloud & containers services:

  • Container and orchestration APIs give full control of hosts: require mutual TLS and RBAC.
  • Never expose them to the Internet.
  • Rotate tokens and certificates and audit who has access.
02 Registry

IANA registry entries for port 8116

ServicePortTransportDescriptionReferenceUpdated
cp-cluster 8116 TCP, UDP Check Point Clustering - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 8116, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8116'      # process listening on 8116
sudo lsof -nP -i :8116

macOS

sudo lsof -nP -i :8116

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8116 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8116
netstat -ano | findstr :8116

From another machine

nmap -p 8116 -sV <host>
sudo nmap -sU -p 8116 <host>
nc -zv <host> 8116

Block it in the firewall

sudo ufw deny 8116/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8116" -Direction Inbound -LocalPort 8116 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8116 used for?

Port 8116 is assigned by IANA to cp-cluster (Check Point Clustering).

Is port 8116 TCP or UDP?

Port 8116 is registered for TCP and UDP.

Is it safe to open port 8116?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Container and orchestration APIs give full control of hosts: require mutual TLS and RBAC.

How do I check if port 8116 is open?

On Linux run "ss -ltnup 'sport = :8116'", on macOS "lsof -nP -i :8116", and on Windows "netstat -ano | findstr :8116" to see the local process. From another machine, "nmap -p 8116 <host>" shows whether it is reachable.

05 Related
:2375 Docker API (HTTP) tcp · critical risk :2376 Docker API (TLS) tcp · high risk :6443 Kubernetes API tcp · udp · high risk :10250 Kubelet API tcp · critical risk :2379 etcd tcp · critical risk :8500 Consul tcp · udp · high risk :4505 SaltStack tcp · critical risk :9000 PHP-FPM / SonarQube / Portainer tcp · udp · high risk

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