ZyXEL 35 사용자 가이드

ZyWALL 35 Support Notes

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