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
HTTPS [TLS]
Hypertext Transfer Protocol Secure [Transport Layer Security]
[443]
Secure web browsing
SMB
Server Message Block
[445]
File/Printer sharing
Syslog
System Log
[514]
SMTP TLS
Simple Mail Transfer Protocol Transport Layer Security
[587]
LDAPS
Lightweight Directory Access Protocol over Secure Sockets Layer
[636]
IMAP over SSL
Internet Message Access Protocol over Secure Sockets Layer
[993]
POP3 over SSL
Post Office Protocol v3 over Secure Sockets Layer
[995]
SQL Sever
Structured Query Language Server
[1433]
Database management with Windows
SQLnet
Structured Query Language Net
[1521]
Database management by Oracle
MySQL
My Structured Query Language
[3306]
Open-source database management
RDP
Remote Desktop Protocol
[3389]
Secure remote login with GUI
SIP
Session Initiation Protocol
[5060/5061]
Used with VoIP
ICMP
Internet Control Message Protocol
TCP
Transmission Control Protocol
UDP
User Datagram Protocol
GRE
Generic Routing Encapsulation
IPSec
Internet Protocol Security
AH
Authentication Header
ESP
Encapsulating Security Payload