ZyXEL Communications 2WG User Manual

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ZyWALL 2WG Support Notes

What do I need to know?.........................................................................250

F18. Does ZyWALL support dynamic secure gateway IP?..................251

F19. What VPN gateway that has been tested with ZyWALL

successfully?..............................................................................................251

F20. What VPN software that has been tested with ZyWALL

successfully?..............................................................................................251

F21. Will ZyXEL support Secure Remote Management?....................252

F22. Does ZyWALL VPN support NetBIOS broadcast?......................252

F23. Is the host behind NAT allowed to use IPSec? ..............................252

F24. How do I configure ZyWALL with NAT for internal servers? ...252

F25. I am planning my ZyWALL behind a NAT router. What do I

need to know? ...........................................................................................252

F26. Where can I configure Phase 1 ID in ZyWALL?..........................253

F27. How can I keep a tunnel alive?.......................................................253

F28. Single, Range, Subnet, which types of IP address does ZyWALL

support in VPN/IPSec?............................................................................254

F29. Does ZyWALL support IPSec pass-through? ...............................254

F30. Can ZyWALL behave as a NAT router supporting IPSec pass

through and an IPSec gateway simultaneously?...................................254

G. PKI FAQ ........................................................................................................254

G01. Basic Cryptography concept..........................................................254

G02. What is PKI? ...................................................................................255

G03. What are the security services PKI provides?..............................255

G04. What are the main elements of a PKI? .........................................255

G05. What is a Certification Authority?................................................256

G06. What is a digital certificate? ..........................................................256

G07. What are public and private keys, and what is their

relationship? .............................................................................................256

G08. What are Certificate Policies (CPs)?.............................................256

G09. How does a PKI ensure data confidentiality? ..............................257

G10. What is a digital signature? ...........................................................257

G11. How does a digital signature work? ..............................................257

G12. Does ZyXEL provide CA service? .................................................259

G13. What if customers don't have access to CA service, but would

like to use PKI function? .........................................................................259

G14. How can I have Self-signed certificate for ZyXEL appliance? ...259

G15. Can I create self-signed certificates in addition to the default

one?............................................................................................................259