- 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 9631: Peovica Collector
Port 9631 is assigned by IANA to peocoll (Peovica Collector).
9631
How peocoll works
Other servicesThe client sends a request to port 9631 and the peocoll service answers.
- Transport
- TCP
- 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 9631 dangerous?
We have no specific security note for port 9631. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 9631
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| peocoll | 9631 | TCP | Peovica Collector | - | 2009-09-14 |
| - | 9631 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 9631, and is it reachable?
Linux
sudo ss -ltnup 'sport = :9631' # process listening on 9631
sudo lsof -nP -i :9631macOS
sudo lsof -nP -i :9631
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9631 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 9631 netstat -ano | findstr :9631
From another machine
nmap -p 9631 -sV <host> nc -zv <host> 9631
Block it in the firewall
sudo ufw deny 9631/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 9631" -Direction Inbound -LocalPort 9631 -Protocol TCP -Action Block # Windows
What is port 9631 used for?
Port 9631 is assigned by IANA to peocoll (Peovica Collector).
Is port 9631 TCP or UDP?
Port 9631 is registered for TCP.
Is it safe to open port 9631?
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 9631 is open?
On Linux run "ss -ltnup 'sport = :9631'", on macOS "lsof -nP -i :9631", and on Windows "netstat -ano | findstr :9631" to see the local process. From another machine, "nmap -p 9631 <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