(1) The public port number is 1). HTTP protocol proxy server: 80/8080/3128/8081/9080.

(2) The common port number is 2. SOCKS proxy protocol server: 1080

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

(4) The public port of the 4).telnet protocol proxy server is 23.

HTTP server, the default port number is 80/tcp (Trojan horse executors open 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 in Trojan horse);

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

Tftp (Small File Transfer Protocol), the default port number is 69/UDP；; ; ;

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

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

3 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;