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// Remote access

Port 17235: SSH Tectia Manager

Port 17235 is assigned by IANA to ssh-mgmt (SSH Tectia Manager).

17235

How ssh-mgmt works

Remote access
terminal:17235ssh-mgmt terminal:17235ssh-mgmt

The client opens a session to port 17235: 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 17235 dangerous?

We have no specific security note for port 17235. 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 17235

ServicePortTransportDescriptionReferenceUpdated
ssh-mgmt 17235 TCP, UDP SSH Tectia Manager - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 17235, and is it reachable?

Linux

sudo ss -ltnup 'sport = :17235'      # process listening on 17235
sudo lsof -nP -i :17235

macOS

sudo lsof -nP -i :17235

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 17235 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 17235
netstat -ano | findstr :17235

From another machine

nmap -p 17235 -sV <host>
sudo nmap -sU -p 17235 <host>
nc -zv <host> 17235

Block it in the firewall

sudo ufw deny 17235/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 17235" -Direction Inbound -LocalPort 17235 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 17235 used for?

Port 17235 is assigned by IANA to ssh-mgmt (SSH Tectia Manager).

Is port 17235 TCP or UDP?

Port 17235 is registered for TCP and UDP.

Is it safe to open port 17235?

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 17235 is open?

On Linux run "ss -ltnup 'sport = :17235'", on macOS "lsof -nP -i :17235", and on Windows "netstat -ano | findstr :17235" to see the local process. From another machine, "nmap -p 17235 <host>" shows whether it is reachable.

05 Related
:22 SSH tcp · udp · sctp · moderate risk :3389 RDP tcp · udp · critical risk :23 Telnet tcp · udp · critical risk :5900 VNC tcp · udp · critical risk :5985 WinRM (HTTP) tcp · udp · high risk :5986 WinRM (HTTPS) tcp · udp · high risk :10000 Webmin tcp · udp · high risk :89 SU/MIT Telnet Gateway tcp · udp

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