[edit] - I realize that the above is not really about the string representation of a pre-shared key. On the other hand, the first is just producing the second, and it's lenght is what matter most. 0 Helpful

Internet Key Exchange (IKE) Aggressive Mode with Pre The remote Internet Key Exchange (IKE) version 1 service seems to support Aggressive Mode with Pre-Shared key (PSK) authentication. Such a configuration could allow an attacker to capture and crack the PSK of a VPN gateway and gain unauthorized access to private networks. How to configure StrongSwan IKEv2 VPN with PSK (pre-shared Based on the comments, configuration changes required to switch to pre-shared key authentication: config setup charondebug="ike 1, knl 1, cfg 0" uniqueids=no conn ikev2-vpn auto=add compress=no type=tunnel keyexchange=ikev2 fragmentation=yes forceencaps=yes ike=aes256-sha1-modp1024,3des-sha1-modp1024! How to configure Site-to-Site IKEv2 IPSec VPN using Pre

Client Authenticaiton - Shrew

IKE Lifetime. This lifetime determines the time when the Phase 1 tunnel is renegotiated. Symantec recommends this to be in hours. Commonly used values are 12 and 24 hours. Tip: Many VPN devices expect the IKE lifetime value to be detailed in minutes. Consult your documentation to confirm. Pre-Shared Key (PSK). Define this as you did in the portal. Pre-shared Key | Fortinet Technical Discussion Forums

CLI Statement. SRX Series,vSRX. Configure an IKE policy.

Global Information Assurance Certification Paper capture and analyze IKE Aggressive Mode phase1 traffic has been added. Using this feature, it is possible to sniff phase 1 traffic, send the captured data to the cracking application and derive the pre -shared key using a dictionary attack or brute force method. Combined with these features, the easy to use GUI and seamless operation