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// DevOps, cloud & containers

Port 1097: Sun Cluster Manager

Port 1097 is assigned by IANA to sunclustermgr (Sun Cluster Manager).

1097

How sunclustermgr works

DevOps, cloud & containers
adminhostsunclustermgr adminhostsunclustermgr

Commands sent to port 1097 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 1097 dangerous?

We have no specific security note for port 1097. 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 1097

ServicePortTransportDescriptionReferenceUpdated
sunclustermgr 1097 TCP, UDP Sun Cluster Manager - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1097, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1097'      # process listening on 1097
sudo lsof -nP -i :1097

macOS

sudo lsof -nP -i :1097

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1097 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1097
netstat -ano | findstr :1097

From another machine

nmap -p 1097 -sV <host>
sudo nmap -sU -p 1097 <host>
nc -zv <host> 1097

Block it in the firewall

sudo ufw deny 1097/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1097" -Direction Inbound -LocalPort 1097 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1097 used for?

Port 1097 is assigned by IANA to sunclustermgr (Sun Cluster Manager).

Is port 1097 TCP or UDP?

Port 1097 is registered for TCP and UDP.

Is it safe to open port 1097?

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 1097 is open?

On Linux run "ss -ltnup 'sport = :1097'", on macOS "lsof -nP -i :1097", and on Windows "netstat -ano | findstr :1097" to see the local process. From another machine, "nmap -p 1097 <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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