front 1 FTP port | back 1 TCP/20, TCP/21 |
front 2 SSH port | back 2 TCP/22 |
front 3 Telnet port | back 3 Tcp/23 |
front 4 SMTP port | back 4 Tcp/25 |
front 5 DNS port | back 5 Udp/53, tcp/53 |
front 6 DHCP port | back 6 Udp/67, udp/68 |
front 7 HTTP port | back 7 Tcp/80 |
front 8 HTTPS port | back 8 Tcp/443 |
front 9 POP3 port | back 9 Tcp/110 |
front 10 IMAP4 port | back 10 Tcp/143 |
front 11 NetBIOS name service port | back 11 Udp/137 |
front 12 NetBIOS session service port | back 12 Tcp/139 |
front 13 SMB port | back 13 Tcp/445 |
front 14 SNMP Query port | back 14 Udp/161 |
front 15 SNMP trap port | back 15 Udp/162 |
front 16 LDAP port | back 16 Tcp/389 |
front 17 RDP port | back 17 Tcp/3389 |
front 18 FTP | back 18 File transfer protocol |
front 19 SSH | back 19 Secure shell |
front 20 Telnet | back 20 Telecommunication Network |
front 21 SMTP | back 21 Simple mail transfer protocol |
front 22 DNS | back 22 Domain name system |
front 23 DHCP | back 23 Dynamic host configuration protocol |
front 24 HTTP | back 24 Hypertext transfer protocol |
front 25 HTTPS | back 25 Hypertext transfer protocol secure |
front 26 POP3 | back 26 Post office protocol version 3 |
front 27 IMAP4 | back 27 Internet message access protocol version 4 |
front 28 SMB | back 28 Server message block |
front 29 SNMP | back 29 Simple network management protocol |
front 30 LDAP | back 30 Lightweight directory access protocol |
front 31 RDP | back 31 Remote desktop protocol |
front 32 FTP description | back 32 Sends and receives files between systems |
front 33 SSH description | back 33 Encrypted console access |
front 34 Telnet description | back 34 Insecure console access |
front 35 SMTP description | back 35 Transfer email between mail servers |
front 36 DNS description | back 36 Convert domain names to IP addresses |
front 37 DHCP description | back 37 Automated the IP address configuration process |
front 38 HTTP description | back 38 Web server communication unsecure |
front 39 HTTPS description | back 39 Web server communication with encryption |
front 40 POP3 description | back 40 Receive email into a email client |
front 41 IMAP4 description | back 41 A newer email client protocol |
front 42 NetBIOS name service description | back 42 Register, remove, and find Windows services by name |
front 43 NetBIOS session service description | back 43 Windows connection-oriented data transfer |
front 44 SMB description | back 44 Windows file transfers and printer sharing |
front 45 SNMP Query description | back 45 Gather metrics and manage network devices |
front 46 SNMP trap description | back 46 Recieve alerts from network devices |
front 47 LDAP description | back 47 Directory services |
front 48 RDP description | back 48 Graphical display of remote devices |