Authentication method for this proposal.
- SNMP ID:
 - 2.19.4.11.5
 - Console path:
 - Setup > VPN > Proposals > IKE
 - Possible values:
 - Preshared key
 - Symmetrical PSK requires the key to be known at both ends of the connection.
 - RSA-Signature
 - Asymmetrical method with private and public keys, known from Rivest, Shamir Adleman.
 
- Default:
 - Preshared key