Chapter 5 Quick Setup Wizards
ZyWALL USG Series User’s Guide
176
•
Encryption Algorithm
: This displays the encryption method used. The longer the key, the higher the
security, the lower the throughput (possibly).
•
DES
uses a 56-bit key.
•
3DES
uses a 168-bit key.
•
AES128
uses a 128-bit key
•
AES192
uses a 192-bit key
•
AES256
uses a 256-bit key.
•
Authentication Algorithm
: This displays the authentication algorithm used. The stronger the algorithm,
the slower it is.
•
MD5
gives minimal security.
•
SHA1
gives higher security
•
SHA256
gives the highest security.
•
Key Group
: This displays the Diffie-Hellman (DH) key group used.
DH5
is more secure than
DH1
or
DH2
(although it may affect throughput).
•
DH1
uses a 768 bit random number.
•
DH2
uses a 1024 bit (1Kb) random number.
•
DH5
uses a 1536 bit random number.
Phase 2
•
Active Protocol
: This displays
ESP
(compatible with NAT) or
AH
.
•
Encapsulation
: This displays
Tunnel
(compatible with NAT) or
Transport
.
•
Encryption Algorithm
:
This displays the encryption method used. The longer the key, the higher the
security, the lower the throughput (possibly).
•
DES
uses a 56-bit key.
•
3DES
uses a 168-bit key.
•
AES128
uses a 128-bit key
•
AES192
uses a 192-bit key
•
AES256
uses a 256-bit key.
•
Null
uses no encryption.
•
Authentication Algorithm
: This displays the authentication algorithm used. The stronger the algorithm,
the slower it is.
•
MD5
gives minimal security.
•
SHA1
gives higher security
•
SHA256
gives the highest security.
The
Configuration for Secure Gateway
displays the configuration that the Zyxel Device IPSec VPN Client
will get from the Zyxel Device.
Click
Save
to save the VPN rule.
5.4.9 VPN Settings for Configuration Provisioning Advanced Wizard- Finish
Now the rule is configured on the Zyxel Device. The Phase 1 rule settings appear in the
Configuration >
VPN > IPSec VPN > VPN
Gateway screen and the Phase 2 rule settings appear in the
Configuration >
Summary of Contents for USG110
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