Ports Flashcards
FTP
20 & 21
SSH
22
SMTP
Simple Mail Transfer Protocol 25
DNS
Domain name service 53
HTTP
Port 80: Hypertext Transfer Protocol (HTTP)
NTP
Port 123: Network Time Protocol
BGP
Port 179: Border Gateway Protocol
HTTPS
Port 443: HTTP Secure
ISAKMP
Port 500: Internet Security Association and Key Management Protocol
SMTP modern
Port 587: Modern, secure SMTP that uses encryption.
RDP
Port 3389: Remote Desktop Protocol
20 & 21
Ports 20 and 21: File Transfer Protocol (FTP)
22
Port 22: Secure Shell (SSH)
25
Port 25: Historically, Simple Mail Transfer Protocol (SMTP)
53
Port 53: Domain Name System (DNS)
80
Port 80: Hypertext Transfer Protocol (HTTP)
123
Port 123: Network Time Protocol (NTP)
179
Port 179: Border Gateway Protocol (BGP)
443
Port 443: HTTP Secure (HTTPS)
500
Port 500: Internet Security Association and Key Management Protocol (ISAKMP)
587
Port 587: Modern, secure SMTP that uses encryption.
3389
Port 3389: Remote Desktop Protocol (RDP)
23
Telnet
Telnet
23
Pop3
110
110
Pop3
143
IMAP
IMAP
143
137, 139
NetBIOS
NetBIOS
137,139
389
LDAP
LDAP
389
445
Server message block SMB
Server message block SMB
445
SNMP simple network management protocol
161,162
161,162
SNMP simple network management protocol
IMAP over SSL
993
993
IMAP over SSL
POP3 secure
995
995
POP3 secure
DHCP
DHCP usesUDP port 67 on the server side and UDP port 68 on the client side
67, 68
DHCP usesUDP port 67 on the server side and UDP port 68 on the client side
