Protocols + Ports Flashcards
FTP
File Transfer Protocol
[20/21]
Insecure file transfer
SSH
Secure Shell
[22]
Secure remote login
SFTP
Secure File Transfer Protocol
[22]
Secure file transfer
Telnet
Telecommunication Network
[23]
Insecure remote login
SMTP
Simple Mail Transfer Protocol
[25]
Outbound mail
DNS
Domain Name System
[25]
Resolves IP to FQDN
DHCP
Dynamic Host Configuration Protocol
[67/68]
Automatically assigns network parameters
TFTP
Trivial File Transfer Protocol
[69]
Insecure, fast file transfer
HTTP
Hypertext Transfer Protocol
[80]
Insecure web services
POP3
Post Office Protocol v3
[110]
Inbound mail
NTP
Network Time Protocol
[123]
Clock synchronization
IMAP
Internet Message Access Protocol
[143]
Inbound mail + Server synchronization
SNMP
Simple Network Management Protocol
[161/162]
Collects data from and monitors network devices
LDAP
Lightweight Directory Access Protocol
[389]
Directory services
HTTPS [SSL]
Hypertext Transfer Protocol Secure [Secure Sockets Layer]
[443]
Secure web browsing