This tool allows you to scan common ports and specify whether the ports are open.
Common port number:
The following ports are commonly used by proxy servers: (1). HTTP protocol Proxy Server common port number: 80/8080/3128/8081/9080 (2). Socks Proxy Protocol Server common port number: 1080 (3). FTP (File Transfer) protocol Proxy Server Common port number: 21 (4). Telnet (remote login) protocol proxy Server Common port: 23 http server, default port number is 80/tcp (Trojan executor open this port); HTTPS (securely transferring Web pages) server, The default port number is 443/tcp 443/udp;telnet (unsafe text transfer), the default port number is 23/tcp (Trojan tiny Telnet Server open port), FTP, the default port number is 21/tcp (Trojan Doly Trojan, Fore, Invisible FTP, WebEx, Wincrash, and Blade Runner), TFTP (Trivial 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 Simple Mail Transfer Protocol (e-mail), the default port number is 25/tcp (Trojan antigen, Email Password Sender, Haebu Coceda, Shtrilitz Stealth, WINPC, winspy all open this port); POP3 Post Office Protocol (e-mail), the default port number is 110/TCP ; WebLogic, the default port number is 7001;websphere application, the default port number is 9080;websphere 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 is 1521;oracle Emctl, the default port number is 1158 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 is 1433/TCP 1433/udp;ms sql*server Database monitor, the default port number is 1434/tcp 1434/UDP;QQ, the default port number is 1080/UDP
Some common ports
