Vpn trouble while connecting to Sidewinder 8.2.1 from Safe Net Client

I am having trouble while connecting VPN on Sidewinder.  My Firewall Internet is connected on Router which is directly  connected to Firewall.  NAT statement on Internet Router is as follows

NAT Statement on Router:

ip nat inside source static udp 500   500 extendable 

Is the password in Remote authentication tab will be Pre shared key which is ued in Safe Net client ?

I have created vpn allow rule

source =Any

destination=Any

application= isakamp server

Nat=None

Application defence=Default Group

VPN Definitions:

Mode=Dynamic IP Restricted Client

IKE V1

Encapsulation=Tunnel

IP V 4

Local IP= Use Localhost IP

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