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17 Cards in this Set

  • Front
  • Back
Port 21
FTP or File Transfer Protocol (TCP)
Port 22
SSH or Secure SHell for secure data transmission (TCP/UDP)
Port 23
Telnet services (TCP/UDP)
Port 25
SMTP or Simple Mail Transfer Protocol (TCP)
Port 53
DNS or Domain Name System (TCP/UDP)
Port 80
HTTP or HyperText Transfer Protocol (TCP)
Port 110
POP3 or Post Office Protocol version 3 (TCP/UDP)
Port 137, 138, 139
Server Message Block/NetBIOS (137, 138=UDP; TCP=139)
Port 143
IMAP or Internet Message Access Protocol (TCP/UDP)
Port 427
SLP or Service Location Protocol; SVRLOC service in network browser (TCP/UDP)
Port 443
HTTPS or HyperText Transfer Protocol Secure; SSL/TLS (TCP)
Port 445
Server Message Block or Common Internet File System (SMB=TCP; CIFS=UDP/TCP)
Port 548
AFP or Apple Filing Protocol; Apple’s version of FTP (TCP)
Port 3389
RDP or Remote Desktop Protocol (TCP/UDP)
Port 389
LDAP or Lightweight Directory Access Protocol (TCP/UDP)
Port 161, 162
SNMP or Simple Network Management Protocol (SNMP=UDP; SNMPTRAP=UDP/TCP)
Port 67, 68
DHCP or Dynamic Host Configuration Protocol (UDP)