leonteale

network notes

Sep 15th, 2015
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  1. ipv4 = 1 byte = 8 bits/ 32 bits or
  2.  
  3. 4 * 8 (4 bytes)
  4.  
  5. TFTP = 69UDP
  6. LDAP 389
  7.  
  8. layer 2 switch - stores macs
  9. layer 3 switch - stores IPs -
  10.  
  11. better than layer 2
  12.  
  13. wifi wpa2 = EAP
  14. wifi wpa = TKIP
  15.  
  16.  
  17. VPN = layer 2 tunneling and ipsec
  18.  
  19. IPSEEC = ESP
  20.  
  21. VOIP = port 5060
  22.  
  23.  
  24. ports:
  25.  
  26. 7 = echo
  27. 13 = daytime protocol
  28. 17=quote of the day
  29. 37 = time protocl
  30. 43 = whois
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