- Patch VPN gateways quickly: they are a top initial access target.
- Use certificates or MFA rather than shared secrets.
- Investigate unexpected tunnels and proxies: they are also attacker tools.
Port 13217: R&S Proxy Installation Assistant Service
Port 13217 is assigned by IANA to rs-pias (R&S Proxy Installation Assistant Service).
13217
How rs-pias works
VPN, tunnels & proxiesTraffic is wrapped in a tunnel between the two ends, so the network in between only sees the tunnel.
- 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
- VPN, tunnels & proxies
Is port 13217 dangerous?
We have no specific security note for port 13217. Its risk depends on the program actually listening on it. General advice for vpn, tunnels & proxies services:
IANA registry entries for port 13217
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| rs-pias | 13217 | TCP, UDP | R&S Proxy Installation Assistant Service | - | 2008-12-04 |
// source: IANA service name and port number registry
Which program uses port 13217, and is it reachable?
Linux
sudo ss -ltnup 'sport = :13217' # process listening on 13217
sudo lsof -nP -i :13217macOS
sudo lsof -nP -i :13217
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 13217 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 13217 netstat -ano | findstr :13217
From another machine
nmap -p 13217 -sV <host> sudo nmap -sU -p 13217 <host> nc -zv <host> 13217
Block it in the firewall
sudo ufw deny 13217/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 13217" -Direction Inbound -LocalPort 13217 -Protocol TCP -Action Block # Windows
What is port 13217 used for?
Port 13217 is assigned by IANA to rs-pias (R&S Proxy Installation Assistant Service).
Is port 13217 TCP or UDP?
Port 13217 is registered for TCP and UDP.
Is it safe to open port 13217?
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. Patch VPN gateways quickly: they are a top initial access target.
How do I check if port 13217 is open?
On Linux run "ss -ltnup 'sport = :13217'", on macOS "lsof -nP -i :13217", and on Windows "netstat -ano | findstr :13217" to see the local process. From another machine, "nmap -p 13217 <host>" shows whether it is reachable.