PORT 19530 / TCPDatabase & CacheExposure Risk: High
Port 19530: Milvus Vector Database — Milvus Distributed AI Vector Database gRPC Port
Primary gRPC client connection port for Milvus vector similarity search clusters.
Default Service
Milvus Vector Database
Process: milvus
Transport Protocol
TCP
IANA Registered Port 19530
Docker Port Flag
-p 19530:19530
Container to Host Mapping
How to Check & Kill Process on Port 19530 (EADDRINUSE Fix)
macOS & Linux (lsof / kill)
# Find process using port 19530 sudo lsof -i :19530 # Instantly kill process on port 19530 lsof -ti:19530 | xargs kill -9
Windows (PowerShell & CMD)
# Find PID listening on port 19530 netstat -ano | findstr :19530 # Force kill by PID taskkill /PID <PID_NUMBER> /F
Cross-Platform Node.js One-Liner
# Kill port 19530 via npx npx kill-port 19530 # Or diagnose via Castov CLI npx castov fix "EADDRINUSE :::19530"
Linux Firewall (UFW) & Connectivity Test
# Test if port 19530 is reachable nc -zv localhost 19530 # Allow or deny port 19530 in UFW sudo ufw allow 19530/tcp
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Frequently Asked Questions about Port 19530
What is Port 19530 used for?
Port 19530 is the standard network port for Milvus Vector Database (Milvus Distributed AI Vector Database gRPC Port) operating over TCP. The typical system daemon or process is milvus.
How do I kill a process running on Port 19530 (EADDRINUSE)?
On macOS and Linux, run: lsof -ti:19530 | xargs kill -9 (or npx kill-port 19530). On Windows PowerShell/CMD, run: netstat -ano | findstr :19530 and then taskkill /PID <PID> /F.
Is it safe to expose Port 19530 to the internet?
Port 19530 has a High security risk profile. Primary gRPC client connection port for Milvus vector similarity search clusters.