ZyXEL 35 User Guide
ZyWALL 35 Support Notes
10
K18. I am planning my ZyWALL-to-ZyWALL VPN configuration.
What do I need to know?.........................................................................323
K19. Does ZyWALL support dynamic secure gateway IP? .................323
K20. What VPN gateway that has been tested with ZyWALL
successfully?..............................................................................................323
K21. What VPN software that has been tested with ZyWALL
successfully?..............................................................................................324
K22. Will ZyXEL support Secure Remote Management? ...................324
K23. Does ZyWALL VPN support NetBIOS broadcast? .....................324
K24. Is the host behind NAT allowed to use IPSec? .............................324
K25. How do I configure ZyWALL with NAT for internal servers?...325
K26. I am planning my ZyWALL behind a NAT router. What do I
need to know? ...........................................................................................325
K27. Where can I configure Phase 1 ID in ZyWALL? .........................325
K28. How can I keep a tunnel alive? ......................................................326
K29. Single, Range, Subnet, which types of IP address does ZyWALL
support in VPN/IPSec?............................................................................326
K30. Does ZyWALL support IPSec pass-through? ..............................326
K31. Can ZyWALL behave as a NAT router supporting IPSec pass
through and an IPSec gateway simultaneously?...................................327
K32. Will the traffic coming in through the VPN tunnel also be
scanned by Anti-Virus, IDP and Anti-Spam feature in ZyWALL
ZyNOS v4.0?.............................................................................................327
L. PKI FAQ ........................................................................................................327
L01. Basic Cryptography concept ..........................................................327
L02. What is PKI?....................................................................................328
L03. What are the security services PKI provides? ..............................328
L04. What are the main elements of a PKI?..........................................328
L05. What is a Certification Authority? ................................................329
L06. What is a digital certificate?...........................................................329
L07. What are public and private keys, and what is their relationship?329
L08. What are Certificate Policies (CPs)? .............................................329
L09. How does a PKI ensure data confidentiality?...............................330
L10. What is a digital signature?............................................................330
L11. How does a digital signature work?...............................................330
L12. Does ZyXEL provide CA service?..................................................331
L13. What if customers don't have access to CA service, but would
like to use PKI function? .........................................................................332
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