(1). Common port number of HTTP protocol proxy server: 80/8080/3128/8081/9080.

(2).SOCKS proxy protocol server public port number: 1080.

(3) FTP (file transfer) protocol proxy server commonly used port number: 2 1.

(4).Telnet protocol proxy server universal port: 23

HTTP server, the default port number is 80/tcp (Trojan actuator opens this port);

Https (Secure Transfer Web Page) server, with the default port number of 443/TCP 443/UDP;

Telnet (insecure text transmission), the default port number is 23/TCP (the port opened by Tiny Telnet server);

FTP, the default port number is 2 1/tcp (ports opened by Trojans such as Dolly Trojan, Fore, Stealth FTP, WebEx, WinCrash and Blade Runner);

TFTP (Common File Transfer Protocol), the default port number is 69/UDP；; ;

SSH (secure login), SCP (file transfer), port redirection, and the default port number is 22/TCP；; ;

Smtp simple mail transfer protocol (e-mail), the default port number is 25/tcp (Trojan antigen, email password sender, Haebucoeda, Shtrilitz Stealth, WinPC and WinSpy all open this port);

POP3 post office protocol (e-mail), the default port number is11TCP;

WebLogic, the default port number is 7001;

Webshpere application, the default port number is 9080;

Webshpere management tool, the default port number is 9090;

JBOSS, the default port number is 8080;

TOMCAT, the default port number is 8080;

WIN2003 remote login, the default port number is 3389;

Symantec AV/Filter for MSE, the default port number is 8081;

Oracle database, the default port number is1521;

ORACLE EMCTL, the default port number is1158;

Oracle XDB( XML database), the default port number is 8080;

Oracle XDB FTP service, the default port number is 2100;

MS SQL*SERVER database server, the default port number is1433/TCP1433/UDP;

MS SQL*SERVER database monitor, the default port number is1434/TCP1434/UDP;

QQ, the default port number is 1080/udp.