Azure VPN Gateway: Create and manage S2S VPN connections
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 Jan 13, 2020 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
Troubleshoot VPN Not Connecting | DrayTek
[SRX] How to bypass remote-identity check for IKE Phase 1
Dec 08, 2011
Dec 08, 2011 RFC 6617 - Secure Pre-Shared Key (PSK) Authentication for RFC 6617 Secure PSK Authentication for IKE June 2012 1.Introduction  allows for authentication of the IKE peers using a pre- shared key.This exchange, though, is susceptible to dictionary attack and is therefore insecure when used with weak pre-shared keys, such as human-memorizable passwords. Solved: PCI Compliance - The Meraki Community 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.