- 100 -Network Setting Items5 5. Network SettingsShaded text indicates the factory default setting.ItemSetting DescriptionTELNET WebbrowserConfigurationTool(NetworkSetting Plug-in)NetworkCard Setup(Windows)NetworkCardSetup(Mac)- LifeTime - - - 600 Set the lifetime ofISAKMP SA. Normally,use the factory defaultsetting.8640028800- Pre-sharedKey- - - (NULL) Set the pre-shared key.- Key PFS - - - KEYPFS Set whether to use KeyPFS (Perfect ForwardSecrecy).NOPFS- Diffie-HellmanGroup whenKey PFSEnable- - - Group2 Set the Diffie-Hellmangroup used for Key PFS.Group1None- ESP - - - Enable Set whether to use ESP(Encapsulating SecurityPayload).Disable- ESPEncryptionAlgorithm- - - 3DES-CBC Set the encryptionalgorithm for ESP.DES-CBC- ESPAuthenticationAlgorithm- - - SHA-1 Set the authenticationalgorithm for ESP.MD5OFF- AH - - - Enable Set whether to use AH(Authentication Header).Disable- AHAuthenticationAlgorithm- - - SHA-1 Set the encryptionalgorithm for AH.MD5- LifeTime - - - 600 Set the lifetime of IPSecSA. Normally, use thefactory default setting.360086400