🔌

Random Port Generator

Generate random port numbers for development and testing
Generation Settings:
Count
Port Range
-
Exclude Common Ports
Custom Exclude
📖 Usage Guide
1
Configure Generation Parameters
Set generation count (1-100), port range (1-65535), and exclusion rules. Recommended range 1024-65535 to avoid system port conflicts.
2
Set Exclusion Rules
Enable 'Exclude Common Ports' to automatically filter system ports, or enter specific port numbers in custom exclusions (comma-separated).
3
Generate & Copy
Click 'Generate' to create random port numbers, use 'Copy' button to quickly copy results to clipboard, or download as text file.
✨ Features
🎲
Customizable port range (1-65535)Professional tool with advanced functionality
⚙️
Exclude common and used portsReal-time processing with instant results
🚫
Batch generation (up to 100 ports)One-click copy functionality for easy sharing
📊
Custom port exclusionsLocal processing ensuring complete privacy

🔌Common Ports Reference

Reference table of commonly used ports and their services
PortServiceDescriptionCategory
21FTPFile Transfer ProtocolProtocol
22SSHSecure ShellProtocol
23TelnetTelnet ProtocolProtocol
25SMTPSimple Mail Transfer ProtocolProtocol
53DNSDomain Name SystemProtocol
67DHCPDynamic Host Configuration ProtocolProtocol
68DHCPDHCP ClientProtocol
69TFTPTrivial File Transfer ProtocolProtocol
110POP3Post Office Protocol 3Protocol
143IMAPInternet Message Access ProtocolProtocol
993IMAPSIMAP SecureProtocol
995POP3SPOP3 SecureProtocol
80HTTPHypertext Transfer ProtocolWeb
443HTTPSHTTP SecureWeb
8080HTTP AltAlternative HTTP PortWeb
8443HTTPS AltAlternative HTTPS PortWeb
9000SonarQubeSonarQube Code AnalysisWeb
1433SQL ServerMicrosoft SQL ServerDatabase
1521OracleOracle DatabaseDatabase
3306MySQLMySQL Database ServerDatabase
PortServiceDescriptionCategory
5432PostgreSQLPostgreSQL Database ServerDatabase
6379RedisRedis In-Memory DatabaseDatabase
27017MongoDBMongoDB Database ServerDatabase
9200ElasticsearchElasticsearch Search EngineDatabase
3000Node.jsNode.js Development ServerDevelopment
5000FlaskFlask Development ServerDevelopment
8000DjangoDjango Development ServerDevelopment
8888JupyterJupyter NotebookDevelopment
9999CustomCustom Development PortDevelopment
3389RDPRemote Desktop ProtocolOther
5900VNCVirtual Network ComputingOther
6000X11X Window SystemOther
7000CustomCustom Service PortOther
9001CustomCustom Service PortOther
9090PrometheusPrometheus MonitoringOther
10000WebminWebmin ManagementOther
11211MemcachedMemcached CacheOther
15672RabbitMQRabbitMQ ManagementOther
25565MinecraftMinecraft Game ServerOther
50070HadoopHadoop NameNodeOther
🔬Technical Introduction
What is a Port?A port is a communication endpoint in computer networking. Port numbers are 16-bit integers (0-65535) used to identify specific processes or services on a network device.
Port RangesPorts are divided into three ranges: Well-known ports (0-1023), Registered ports (1024-49151), and Dynamic/Private ports (49152-65535).
Port SecurityPort security involves managing which ports are open, monitoring port usage, and implementing security measures to prevent unauthorized access.