Multiplatform application that scans the local network identifying host and which ports it has open, also verifies services such as HTTP, SMTP and FTP.
Now you can select the network Interface when starting the application and change when you need it from the file | switchNi menu.
The graphical interface has options at the top.
You can see the subnet information in the file|About menu.
You can see all the ports open.
You can check the port for services such as HTTP, SMTP and FTP. It does not matter if they are in ports other than the default..
Below you will find sample images of the operation by means of the terminal.
Below is a list of the most common ports with a brief description.
| Port | Name | Info |
|---|---|---|
| 20 | FTP Data | File Transfer Protocol (FTP) data transfer |
| 21 | FTP | File Transfer Protocol (FTP) control (command) |
| 22 | SSH | Secure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding |
| 23 | Telnet | Telnet protocol—unencrypted text communications |
| 25 | SMTP | Simple Mail Transfer Protocol, used for email routing between mail servers |
| 53 | DNS | Domain Name System (DNS) |
| 59 | DCC | Direct Client-to-Client IRC software |
| 79 | Finger | Info about users |
| 80 | HTTP | Hypertext Transfer Protocol |
| 110 | POP3 | Post Office Protocol, version 3 |
| 113 | IDENT | Ident, authentication service/identification protocol, used by IRC servers to identify users |
| 119 | NNTP | Network News Transfer Protocol, retrieval of newsgroup messages |
| 135 | NetBIOS | Service used to remotely manage services including DHCP server, DNS server and WINS |
| 139 | NETBIOS | NetBIOS Session Service |
| 143 | IMAP | Internet Message Access Protocol, management of electronic mail messages on a serve |
| 389 | LDAP | Lightweight Directory Access Protocol |
| 443 | HTTPS | Hypertext Transfer Protocol over TLS/SSL |
| 445 | MSFT DS | Microsoft-DS Active Directory, Windows shares |
| 563 | POP3 SSL | NNTP over TLS/SSL |
| 993 | IMAP4 SSL | Internet Message Access Protocol over TLS/SSL |
| 995 | POP3 SSL | Post Office Protocol 3 over TLS/SSL |
| 1080 | Proxy | SOCKS proxy |
| 1723 | PPTP | Point-to-Point Tunneling Protocol |
| 3306 | MySQL | MySQL database system |
| 5000 | UPnP | Universal Plug'n'Play |
| 8080 | Proxy Web | Alternative port for HTTP |
You can check the javadoc here.
Note:
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