CyberHunter
Local dataset, no network
// Other services

Port 6997: Mobility XE Protocol

Port 6997 is assigned by IANA to MobilitySrv (Mobility XE Protocol).

6997

How MobilitySrv works

Other services
client:6997MobilitySrvresponse client:6997MobilitySrvresponse

The client sends a request to port 6997 and the MobilitySrv 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 6997 dangerous?

We have no specific security note for port 6997. 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 6997

ServicePortTransportDescriptionReferenceUpdated
MobilitySrv 6997 TCP, UDP Mobility XE Protocol - 2007-06

// source: IANA service name and port number registry

03 Check it

Which program uses port 6997, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6997'      # process listening on 6997
sudo lsof -nP -i :6997

macOS

sudo lsof -nP -i :6997

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6997 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6997
netstat -ano | findstr :6997

From another machine

nmap -p 6997 -sV <host>
sudo nmap -sU -p 6997 <host>
nc -zv <host> 6997

Block it in the firewall

sudo ufw deny 6997/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6997" -Direction Inbound -LocalPort 6997 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6997 used for?

Port 6997 is assigned by IANA to MobilitySrv (Mobility XE Protocol).

Is port 6997 TCP or UDP?

Port 6997 is registered for TCP and UDP.

Is it safe to open port 6997?

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 6997 is open?

On Linux run "ss -ltnup 'sport = :6997'", on macOS "lsof -nP -i :6997", and on Windows "netstat -ano | findstr :6997" to see the local process. From another machine, "nmap -p 6997 <host>" shows whether it is reachable.

05 Related
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