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// Other services

Port 3077: Orbix 2000 Locator SSL

Port 3077 is assigned by IANA to orbix-loc-ssl (Orbix 2000 Locator SSL).

3077

How orbix-loc-ssl works

Other services
client:3077orbix-loc-sslresponse client:3077orbix-loc-sslresponse

The client sends a request to port 3077 and the orbix-loc-ssl service answers.

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
Other services
01 Security

Is port 3077 dangerous?

We have no specific security note for port 3077. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 3077

ServicePortTransportDescriptionReferenceUpdated
orbix-loc-ssl 3077 TCP, UDP Orbix 2000 Locator SSL - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 3077, and is it reachable?

Linux

sudo ss -ltnup 'sport = :3077'      # process listening on 3077
sudo lsof -nP -i :3077

macOS

sudo lsof -nP -i :3077

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 3077 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 3077
netstat -ano | findstr :3077

From another machine

nmap -p 3077 -sV <host>
sudo nmap -sU -p 3077 <host>
nc -zv <host> 3077

Block it in the firewall

sudo ufw deny 3077/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 3077" -Direction Inbound -LocalPort 3077 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 3077 used for?

Port 3077 is assigned by IANA to orbix-loc-ssl (Orbix 2000 Locator SSL).

Is port 3077 TCP or UDP?

Port 3077 is registered for TCP and UDP.

Is it safe to open port 3077?

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. Close the port if nothing on the host needs it.

How do I check if port 3077 is open?

On Linux run "ss -ltnup 'sport = :3077'", on macOS "lsof -nP -i :3077", and on Windows "netstat -ano | findstr :3077" to see the local process. From another machine, "nmap -p 3077 <host>" shows whether it is reachable.

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