Ports Flashcards
20 and 21
File transfer protocol (FTP)
TCP
It is a protocol that carries data, and guarantees that data will be delivered properly. Its cryptographic.
22
Secure shell (ssh)
Secure data communication
23
Telnet
TCP
Remote management protocol for msging network devices
25
Simple mail transfer protocol (SMTP)
TCP
It is a communication protocol which is used to transmit email messages over the internet to the destination server.
53
Domain name system (DNS)
TCP/UDP
Used in the performance of one simple task of converting IP addresses to domain names that everyone understands
69
Trivial file transfer protocol (tftp)
UDP
TFTP is typically used by devices to upgrade software and firmware and that includes Cisco.
80
Hyper text transfer protocol (HTTP)
TCP
Used to define how data is transmitted and formatted and also used by WWW As a channel communication
67 and 68
Dynamic host configuration protocol (DHCP)
UDP
Service used in the client and server model
110
Post office protocol 3
TCP
Protocol used by email client to retrieve email from servers
119
Network news transport protocol (NNTP)
TCP
Transporting USENET news articles between news servers and the end user client
123
Network time protocol (NTP)
UDP
Synchronization of time between network devices in the network.
135 and 139
NetBIOS
TCP/UDP
netbios itself is not a protocol, but is typically used in combination with IP with the NetBIOS over the tcp/IP protocol.
161 and 162
Simple network management protocol (SNMP)
TCP/UDP
The ability to monitor, configure, and control network devices.
389
Lightweight directory access protocol (LDAP)
TCP/UDP
LDAP provides a mechanism of accessing and maintaining distributed directory information
443
Transport layer security (TLS)
TCP
It is a protocol of a sec tired socket layer that uses asymmetric keys to transfer data over a network
1023 to 65535
Real time transport protocol (RTP)
UDP
Used for delivering audio and video data over an IP network
443
Hyper text transfer protocol (HTTPS)
TCP
Authentication and encryption that provides secure communication with the use of secure socket layer
143
Internet message access protocol (IMAP4)
TCP/UDP
Application layer protocol and an internet standards for email retrieval
3389
Address resolution protocol (ARP)
TCP
Used to resolve the network layer address into the link address
179
Boarder gateway protocol (BGP)
TCP
Used to maintain very large touring tables and traffic processing
194
Internet relay chart (IRC)
UDP
Application layer protocol that facilitate communication in the form of txt
22
Secure file transfer
TCP/UDP
