- 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 2717: PN REQUESTER
Port 2717 is assigned by IANA to pn-requester (PN REQUESTER).
How pn-requester works
Other servicesThe client sends a request to port 2717 and the pn-requester 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
Is port 2717 dangerous?
We have no specific security note for port 2717. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 2717
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| pn-requester | 2717 | TCP, UDP | PN REQUESTER | - | - |
// source: IANA service name and port number registry
Which program uses port 2717, and is it reachable?
Linux
sudo ss -ltnup 'sport = :2717' # process listening on 2717
sudo lsof -nP -i :2717macOS
sudo lsof -nP -i :2717
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2717 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 2717 netstat -ano | findstr :2717
From another machine
nmap -p 2717 -sV <host> sudo nmap -sU -p 2717 <host> nc -zv <host> 2717
Block it in the firewall
sudo ufw deny 2717/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 2717" -Direction Inbound -LocalPort 2717 -Protocol TCP -Action Block # Windows
What is port 2717 used for?
Port 2717 is assigned by IANA to pn-requester (PN REQUESTER).
Is port 2717 TCP or UDP?
Port 2717 is registered for TCP and UDP.
Is it safe to open port 2717?
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 2717 is open?
On Linux run "ss -ltnup 'sport = :2717'", on macOS "lsof -nP -i :2717", and on Windows "netstat -ano | findstr :2717" to see the local process. From another machine, "nmap -p 2717 <host>" shows whether it is reachable.