- 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 9312: Sphinx search server
Port 9312 is assigned by IANA to sphinxapi (Sphinx search server).
9312
How sphinxapi works
Other servicesThe client sends a request to port 9312 and the sphinxapi 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 9312 dangerous?
We have no specific security note for port 9312. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 9312
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| sphinxapi | 9312 | TCP | Sphinx search server | - | 2009-10-20 |
| - | 9312 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 9312, and is it reachable?
Linux
sudo ss -ltnup 'sport = :9312' # process listening on 9312
sudo lsof -nP -i :9312macOS
sudo lsof -nP -i :9312
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9312 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 9312 netstat -ano | findstr :9312
From another machine
nmap -p 9312 -sV <host> nc -zv <host> 9312
Block it in the firewall
sudo ufw deny 9312/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 9312" -Direction Inbound -LocalPort 9312 -Protocol TCP -Action Block # Windows
What is port 9312 used for?
Port 9312 is assigned by IANA to sphinxapi (Sphinx search server).
Is port 9312 TCP or UDP?
Port 9312 is registered for TCP.
Is it safe to open port 9312?
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 9312 is open?
On Linux run "ss -ltnup 'sport = :9312'", on macOS "lsof -nP -i :9312", and on Windows "netstat -ano | findstr :9312" to see the local process. From another machine, "nmap -p 9312 <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