front 1 FTP - File transfer Protocol - Port | back 1 TCP/20, TCP/21 |
front 2 SSH - Secure Shell - Port | back 2 TCP/22 |
front 3 Telnet- Telecommunication network - Port | back 3 TCP/23 |
front 4 SMTP - Simple mail transfer protocol - Port | back 4 TCP/25 |
front 5 DNS - Domain name system - Port | back 5 udp/53, TCP/53 |
front 6 DHCP - Dynamic Host configuration protocol - Port | back 6 udp/67, udp/68 |
front 7 HTTP - Hypertext transfer protocol - Port | back 7 tcp/80 |
front 8 HTTPS - Hypertext transfer protocol secure - Port | back 8 tcp/443 |
front 9 POP3- Post office protocol version 3 - Port | back 9 tcp/110 |
front 10 IMAP4 - internet message access protocol V4 - Port | back 10 tcp/143 |
front 11 NetBIOS- name service - Port | back 11 UDP/137 |
front 12 NetBIOS- session service - Port | back 12 UDP/139 |
front 13 SMB - server message block - Port | back 13 tcp/445 |
front 14 SNMP Query - Simple network management protocol - Port | back 14 udp/161 |
front 15 SNMP trap simple network management protocol-port | back 15 TCP/162 |
front 16 LDAP - Lightweight Directory Access Protocol - Port | back 16 tcp/389 |
front 17 RDP - Remote desktop protocol - 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 Hyper text 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 SMTP - Simple mail transfer protocol - Port | back 28 TCP/25 |
front 29 SNMP | back 29 Simple network Managemenet protocol |
front 30 Ldap | back 30 Lightweight directory access protocol |
front 31 RDP | back 31 Remote Desktop Protocol |