PORT 995 / TCPEmail & MessagingExposure Risk: Low

Port 995: POP3S — POP3 over TLS/SSL

Encrypted POP3 mail retrieval over SSL/TLS.

Default Service

POP3S

Process: dovecot

Transport Protocol

TCP

IANA Registered Port 995

Docker Port Flag

-p 995:995

Container to Host Mapping

How to Check & Kill Process on Port 995 (EADDRINUSE Fix)

macOS & Linux (lsof / kill)

# Find process using port 995
sudo lsof -i :995

# Instantly kill process on port 995
lsof -ti:995 | xargs kill -9

Windows (PowerShell & CMD)

# Find PID listening on port 995
netstat -ano | findstr :995

# Force kill by PID
taskkill /PID <PID_NUMBER> /F

Cross-Platform Node.js One-Liner

# Kill port 995 via npx
npx kill-port 995

# Or diagnose via Castov CLI
npx castov fix "EADDRINUSE :::995"

Linux Firewall (UFW) & Connectivity Test

# Test if port 995 is reachable
nc -zv localhost 995

# Allow or deny port 995 in UFW
sudo ufw allow 995/tcp

Frequently Asked Questions about Port 995

What is Port 995 used for?

Port 995 is the standard network port for POP3S (POP3 over TLS/SSL) operating over TCP. The typical system daemon or process is dovecot.

How do I kill a process running on Port 995 (EADDRINUSE)?

On macOS and Linux, run: lsof -ti:995 | xargs kill -9 (or npx kill-port 995). On Windows PowerShell/CMD, run: netstat -ano | findstr :995 and then taskkill /PID <PID> /F.

Is it safe to expose Port 995 to the internet?

Port 995 has a Low security risk profile. Encrypted POP3 mail retrieval over SSL/TLS.

Other Common Network Ports