VPN Troubleshooting

VPN Problems

IKEv2

Internet Key Exchange Protocol Version 2 (IKEv2)
https://tools.ietf.org/html/rfc5996

Check Point Probleme mit IKEv2

Unauthorized VPN access to internal networks via IKEv2 tunnel (CVE-2019-8456)
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk149892

IKEv2 negotiation for Site-to-Site VPN tunnel with 3rd party peer fails if IKEv2 SA payload contains more than 8 proposals
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk112139

When Check Point peer is initiator of IKEv2 negotiation, FQDN not being sent
https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk108817