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// Remote access

Port 1970: NetOp Remote Control

Port 1970 is assigned by IANA to netop-rc (NetOp Remote Control).

1970

How netop-rc works

Remote access
terminal:1970netop-rc terminal:1970netop-rc

The client opens a session to port 1970: each command typed is sent to the server, which runs it and returns the output.

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
Remote access
01 Security

Is port 1970 dangerous?

We have no specific security note for port 1970. Its risk depends on the program actually listening on it. General advice for remote access services:

  • Do not expose remote administration directly: use a VPN or a zero-trust access proxy.
  • Require MFA or key-based authentication and lock out brute-force attempts.
  • Log every login and alert on new source addresses.
02 Registry

IANA registry entries for port 1970

ServicePortTransportDescriptionReferenceUpdated
netop-rc 1970 TCP, UDP NetOp Remote Control - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1970, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1970'      # process listening on 1970
sudo lsof -nP -i :1970

macOS

sudo lsof -nP -i :1970

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1970 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1970
netstat -ano | findstr :1970

From another machine

nmap -p 1970 -sV <host>
sudo nmap -sU -p 1970 <host>
nc -zv <host> 1970

Block it in the firewall

sudo ufw deny 1970/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1970" -Direction Inbound -LocalPort 1970 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1970 used for?

Port 1970 is assigned by IANA to netop-rc (NetOp Remote Control).

Is port 1970 TCP or UDP?

Port 1970 is registered for TCP and UDP.

Is it safe to open port 1970?

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. Do not expose remote administration directly: use a VPN or a zero-trust access proxy.

How do I check if port 1970 is open?

On Linux run "ss -ltnup 'sport = :1970'", on macOS "lsof -nP -i :1970", and on Windows "netstat -ano | findstr :1970" to see the local process. From another machine, "nmap -p 1970 <host>" shows whether it is reachable.

05 Related
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