- 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 395: NetScout Control Protocol
Port 395 is assigned by IANA to netcp (NetScout Control Protocol).
395
How netcp works
Other servicesThe client sends a request to port 395 and the netcp 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
- Well-known (0-1023)
- Category
- Other services
Is port 395 dangerous?
We have no specific security note for port 395. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 395
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| netcp | 395 | TCP, UDP | NetScout Control Protocol | - | 2010-04-07 |
// source: IANA service name and port number registry
Which program uses port 395, and is it reachable?
Linux
sudo ss -ltnup 'sport = :395' # process listening on 395
sudo lsof -nP -i :395macOS
sudo lsof -nP -i :395
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 395 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 395 netstat -ano | findstr :395
From another machine
nmap -p 395 -sV <host> sudo nmap -sU -p 395 <host> nc -zv <host> 395
Block it in the firewall
sudo ufw deny 395/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 395" -Direction Inbound -LocalPort 395 -Protocol TCP -Action Block # Windows
What is port 395 used for?
Port 395 is assigned by IANA to netcp (NetScout Control Protocol).
Is port 395 TCP or UDP?
Port 395 is registered for TCP and UDP.
Is it safe to open port 395?
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 395 is open?
On Linux run "ss -ltnup 'sport = :395'", on macOS "lsof -nP -i :395", and on Windows "netstat -ano | findstr :395" to see the local process. From another machine, "nmap -p 395 <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