Port Checker

Test if a specific port is open on any server

IP Address or Hostname

Port Number

Common Proxy Ports:

Common Proxy Ports

Port	Protocol	Description
`80`	HTTP	Standard web traffic, often used by transparent proxies
`443`	HTTPS	Encrypted web traffic, used by HTTPS proxies
`8080`	HTTP Proxy	Most common HTTP proxy port
`3128`	Squid	Default port for Squid proxy servers
`1080`	SOCKS	Standard SOCKS proxy port
`8888`	HTTP Proxy	Alternative HTTP proxy port
`3129`	Squid	Alternative Squid proxy port
`9050`	Tor	Default Tor SOCKS port

What is Port Checking?

Port checking is the process of testing whether a specific network port on a server is open and accepting connections. Open ports allow network traffic to pass through, while closed ports reject connections.

Why Check Proxy Ports?

Verify if a proxy server is running and accessible
Troubleshoot connection issues with proxy services
Check if your proxy port is blocked by firewalls
Test multiple proxies to find working ones