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Flashcards

Port and Protocols

Lyndsay Badding Information Technology CompTIA Inglês 47 flashcards

Flashcards do conjunto (47)

  1. 1Port 20FTP using TCP
    File Transfer Protocol
    Transfer Control Protocol
    to transfer information, unencrypted
  2. 2Port 21FTP using TCP
    File Transfer Protocol
    Transfer Control Protocol
    to establish & manage connection, unencrypted
  3. 3Port 22SSH & SFTP
    Secure Shell
    encrypted remote conn. between 2 devices over terminal emulator
    asymmetric encryption for conn. & auth.
  4. 4Port 23Telnet
    Teletype Network
    TCP port
    unencrypted remote conn. between 2 devices over terminal emulator
    used for initial setup of networking devices, including enabling SSH
  5. 5Port 25SMTP
    Simple Mail Transfer Protocol
    TCP port
    upload emails to email server
  6. 6Port 49TACACS+
    TCP port
    encrypts username and password
  7. 7Port 53DNS & DNSSEC
    Domain Name System
    TCP port
    translates comp. name or website into full IP address
    works with FQDN
  8. 8Port 67DHCP
    Dynamic Host Configuration Protocol
    lease IP addresses, helps block spoofing & cache poisoning
    needs: IP address, subnet mask, default gateway address, DNS server address
  9. 9Port 68DHCP
    Dynamic Host Configuration Protocol
    lease IP addresses, statically or dynamically assigned
    Discover Offer Request Acknowledge
  10. 10Port 69TFTP
    Trivial File Transfer Protocol
    UDP port
    older method of transmitting small amounts of data
    unsecure
  11. 11Port 80HTTP
    Hyper Text Transfer Protocol
    TCP port
    unsecure
  12. 12Port 88Kerberos & EIGRP
    Enhanced Interior Gateway Routing Protocol
    native IP port
    Cisco proprietary
    encapsulates directly into IP datagrams
  13. 13Port 89OSPF
    Open Shortest Path First
    native IP port
  14. 14Port 110POP3
    Post Office Protocol
    TCP port
    download emails to comp., data moves one direction, does not keep copy
  15. 15Port 123NTP
    Network Time Protocol
    UDP port
    Stratum 1 servers obtain UTC and provide that info to Stratum 2 servers
    considered "authoritative time"
  16. 16Port 139SMB
    Server Message Block
    sharing access to files, printers, serial ports and other resources on a network
    unsecure
  17. 17Port 143IMAPv4
    Internet Message Access Protocol
    TCP port
    download emails to computer, keeps a copy
    unencrypted
  18. 18Port 161SNMP
    Simple Network Managing Protocol
    receives requests
    uses UDP
    "SNMP get-requests"
  19. 19Port 162SNMP
    Simple Network Managing Protocol
    responds to requests
    uses UDP
    "SNMP get-requests"
  20. 20Port 179BGP
    Border Gateway Protocol
    TCP port
    exterior routing protocol linking autonomous systems on the internet
  21. 21Port 389LDAP
    Lightweight Directory Access Protocol
    TCP and UDP port
    structure for organizing a companies personnel & resources into groups
    set permissions
    open source, other dir. based on LDAP
  22. 22Port 443HTTPS
    Hyper Text Transfer Protocol Secure
    TCP port
  23. 23Port 445CIFS & SMB
    Common Interest File System
    Server Message Block
    TCP port
    network file system protocols, bridging gap between diff. file systems & protocols
    file & printer sharing across network
  24. 24Port 465SMTPS
    TCP port
    no longer recommended
  25. 25Port 500IPSec
    UDP port
    transport mode - payload is encrypted
    tunnel mode - header and payload encrypted
  26. 26Port 514Syslog
    UDP port
    for logging and exchanging event messages on computers and network devices
  27. 27Port 520RIP
    Routing Information Protocol
    TCP port
    older routing protocol
  28. 28Port 587MSA
    Mail Submission Agents
    TCP port
    email clients use this port to submit messages to the SMTP server for transmission
  29. 29Port 636LDAPS
    secure LDAP
    Lightweight Directory Access Protocol
    TCP port
  30. 30989/990FTP ES
    "Explicit TLS"
    establishes an unsecure connection over port 21 then upgrades to secure connection to transfer user authentication using the AUTH TLS command
    990 - connection | 989 - data transfer
  31. 31Port 993IMAPS
    Internet Access Message Protocol
    TCP port
  32. 32Port 995POP3S
    Post Office Protocol
  33. 33Port 1433MS SQL
    TCP port
  34. 34Port 1521Oracle SQLnet
    TCP port
  35. 35Port 1812/1813RADIUS
    UDP port
    encrypts only the password
  36. 36Port 2049NFSv4
    Network File System
    TCP port
    Unix and Windows
    allows computers on a network to exchange files
  37. 37Port 3306MySQL
    TCP port
  38. 38Port 3389RDP
    Remote Desktop Protocol
    TCP port
    provides an encrypted tunnel
  39. 39Port 5060SIP
    Session Initiation Protocol
    UDP port
    session management, creation, and tear-down
    sip:jane.bloggs@212.123.456
    sip:support@telcosystem.xyz.com
    sip:22449832@telcosystem.xyz.com:6000
  40. 40Port 5061SIPS
    UDP port
  41. 41Port 54323PostgreSQL
    TCP port
  42. 42Well Known Ports0-1023
  43. 43Registered Ports1024-49151
    used mostly for software and protocols that are not so universal
  44. 44Dynamic/Private/Ephemeral49152-65535
    short-term and may be used for any purpose
  45. 45Ethernet Protocolfor transferring data on a LAN
    layer 2 OSI model
  46. 46Internet Protocolset of rules for addressing and routing packets of data across a network
    layer 3 OSI model
  47. 47STARTTLSa secure implementation of SMTP
    "Explicit TLS"
    requires authentication before message submission

Informações

Descrição
Common port numbers, what they're called, and what they do.
Criado por
Lyndsay Badding
Visualizações
23
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