CompTIA A+ Common Port Numbers Flashcards
Direct SMB - NetBIOS
tcp/445 | Direct Server Message Block without NetBIOS
FTP Active Mode Data
tcp/20 | File Transfer Protocol Active Mode Data
SSH
tcp/22 | Secure Shell
TelNet
tcp/23 | Telecommunication Network
FTP Control
tcp/21 | File Transfer Protocol Control
SMTP
tcp/25 | Simple Mail Transfer Protocol
DHCP /bootp (server)
udp/67 | Dynamic Host Configuration Protocol (server to client)
POP3S
tcp/995 | Post Office Protocol v3 Secure
HTTP
tcp/80 | Hypertext Transfer Protocol
TFTP
udp/69 | Trivial File Transfer Protocol
DHCP /bootp (client)
udp/68 | Dynamic Host Configuration Protocol (client to server)
AFP
tcp/548 | Apple Filing Protocol
SNMP (query)
udp/161 | Simple Network Management Protocol (query)
IMAPS
tcp/993 | Internet Message Access Protocol Secure
nbName
tcp/137 and udp/137 | NetBIOS Name Service
nbDatagram
udp/138 | NetBIOS Datagram Service
SLP
tcp/427 and udp/427 | Service Location Protocol
SNMP (trap)
udp/162 | Simple Network Management Protocol (traps/alarms)
HTTPS
tcp/443 | Hypertext Transfer Protocol Secure
POP3
tcp/110 | Post Office Protocol v3
nbSession
tcp/139 | NetBIOS Session Service
IMAP4
tcp/143 | Internet Message Access Protocol v4
LDAP
tcp/389 | Lightweight Directory Access Protocol
RDP
tcp/3389 | Remote Desktop Protocol
