Protocols Flashcards
FTP (7)
File transfer Protocol
Transfers files
Port: 20/21 (Control Port)
Port 21 transfer the control port while port 20 us used to transfer the files.
SSH (7)
Used to transfer data through a remote connection
Port 22
TCP
Designed to transmit data through a remote connection
SSH File transfer protocol (7)
Port 22
TCP
File transfer protocol which uses SSH.
SMTP (7)
Simple mail transfer protocol
Port 25
TCP
Internet mail protocol used to send outgoing mail from email clients to mail servers.
TACACS+ (7)
Port 49
TCP
Cisco proprietary protocol used for authentication authorisation and accounting services.
DNS
Port 53
UDP
Used to associate IP addressed with domain names
Dynamic Host Configuration Protocol
67/68
UDP
The network management protocol is used to assign multiple local private ip addressed from one public IPv4 address. Home wifi network usage.
HTTP
Hypertext Transfer Protocol
80
TCP
Protocol used for website and most internet traffic. Old version not encrypted.
Kerberos
88
TCP/UDP
Network authentication protocol that allows for communication over a non-secure network. Primarily used UDP but use TCP
Post Office Protocol
110
TCP
Email protocol that allows e-mail clients to communicate with e-mail servers. POP provides only one-way communication.
NTP
Network Time Protocol
123
UDP
Low latency protocol used to synchronised time keeping across a network
Server Message Block
UDP
139
Windows Proprietary Protocol - Allows remote access into servers
IMAP
TCP
143/993
Email protocol used by email clients to communicate with email servers.
SNMP
Simple network management protocol
161,162
UDP
Protocol used to monitor and manage network devices on IP networks
LDAP
UDP
389
Used to manage and communicate with directories
