Ports Flashcards
Http
hyper text transfer protocol
Port 80
Insecure web browsing
Ftp
File transfer protocol
Ports 20,21
Insecure file transfer
SSH
secure shell
Port 22
Secure remote control through text
SFTP
Secure file transfer protocol
Port 22 (the same as secure shell)
Secure file transfer
Telnet
Port 23
Insecure remote control through text
SMTP
Simple mail transfer protocol
Port 25 / 465
Send emails
DNS
Domain name service
Port 53
Domain names to IP addresses
DHCP
Dynamic host configuration protocol
Ports 67,68
Auto assigns IP address, subnet mask, default gateway, and DNS
POP3
Post office protocol
Port 110
Used for receiving emails
SNMP
Simple network management protocol
Ports 161,162
Collects network data and monitors status
LDAP
Lightweight directory access protocol
Port 389
Network directory services
HTTPS
Port 443
Secure web browsing
SSL (legacy)
TLS (new shiny)
SMB
Server message block
Port 445
Windows file and printer services
RDP
Remote Desktop protocol
Port 3389
Graphical remote control of computer or server
IMAP internet message access protocol
Ports 143/993
Receive mail with syncing between devices
