Security Plus

Card Set Information

Author:
Smileyz
ID:
211711
Filename:
Security Plus
Updated:
2013-04-05 23:39:49
Tags:
Ports
Folders:

Description:
Common TCP and UDP ports
Show Answers:

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  1. What port does SSH run on?
    22
  2. What port does Telent run on?
    23
  3. What ports does FTP run on?
    20 & 21
  4. What port does DNS run on?
    53
  5. What port does FTPS run on?
    990 (Controls Communication) & 989 (used for actual transfer of data)
  6. What port does SCP run on?
    22 - thru SSH
  7. What port does SFTP run on?
    22 - thru SSH
  8. What are the three protocols that are related to e-mail transactions?
    • SMTP - 25
    • POP3 - 110
    • IMAP – 143
  9. What port does HTTP run on?
    80
  10. What port does HTTPS run on?
    443
  11. What ports does NETBIOS run on?
    • UDP 137 - Name service – applications have to register their own NetBIOS name (16-bytes). 
    • UDP 138 – Datagram distribution service – works with smaller messages that are sent independently.  Service doesn’t provide error detection or recovery.
    • TCP 139 – Session service – provides a session service, which lets two computers communicate by establishing a connection.  Helps with error detection and recovery.
  12. What port does BOOTP run on?
    UDP 67 - available thru DHCP
  13. What port does TFTP run on?
    UDP 69 - basic file transfer protocol.  Only for smaller data transfers.  Can also be used to boot computers, X-terminals, and diskless workstations
  14. What port does NTP run on?
    UDP 123 – synchronizes the clock times of computers based on the Coordinated Universal Time
  15. What port does SNMP run on?
    UDP 161 - exchange management information
  16. TCP & UDP ports can be either ________ or ________?
    • Well-Known
    • Ephemeral

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