- 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.
Port 6706: ForCES LP (Low priority) channel
Port 6706 is assigned by IANA to frc-lp (ForCES LP (Low priority) channel).
6706
How frc-lp works
Other servicesThe client sends a request to port 6706 and the frc-lp service answers.
- Transport
- SCTP
- 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
Is port 6706 dangerous?
We have no specific security note for port 6706. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 6706
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| frc-lp | 6706 | SCTP | ForCES LP (Low priority) channel | RFC 5811 | - |
| - | 6706 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 6706, and is it reachable?
Linux
sudo ss -ltnup 'sport = :6706' # process listening on 6706
sudo lsof -nP -i :6706macOS
sudo lsof -nP -i :6706
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6706 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 6706 netstat -ano | findstr :6706
From another machine
nmap -p 6706 -sV <host> nc -zv <host> 6706
Block it in the firewall
sudo ufw deny 6706/sctp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 6706" -Direction Inbound -LocalPort 6706 -Protocol SCTP -Action Block # Windows
What is port 6706 used for?
Port 6706 is assigned by IANA to frc-lp (ForCES LP (Low priority) channel).
Is port 6706 TCP or UDP?
Port 6706 is registered for SCTP.
Is it safe to open port 6706?
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 6706 is open?
On Linux run "ss -ltnup 'sport = :6706'", on macOS "lsof -nP -i :6706", and on Windows "netstat -ano | findstr :6706" to see the local process. From another machine, "nmap -p 6706 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp