JTJitin Tyagiinjeetintyagi.hashnode.dev·Jul 13, 2023 · 4 min readIPsec VPN: Understanding IKE Phase 2 Quick modePrerequisites: IPsec VPN: Understanding the IKE Phase 1 Main Mode IKE Phase 2 | Quick mode IKE phase 2 tunnel is also referred to as IPsec tunnel. This tunnel will be used to protect user data and there is only 1 mode to build this tunnel and i.e. ...00
JTJitin Tyagiinjeetintyagi.hashnode.dev·May 27, 2023 · 2 min readIPsec VPN: Understanding IKE Phase 1 Aggressive modePREREQUISITE: IPsec VPN: Understanding the IKE Phase 1 Main Mode IPsec VPN: NAT Traversal (NAT-T) Why even use aggressive mode? Aggressive mode requires only 3 messages for IKEv1 phase 1 negotiation, hence quicker than the Main mode. ModeNo. ...00
JTJitin Tyagiinjeetintyagi.hashnode.dev·May 13, 2023 · 5 min readIPsec VPN: Understanding IKE Phase 1 Main ModeWhy IPsec? Because the IP protocol itself doesn't have any security features at all. It protects the IP traffic by introducing confidentiality, integrity, authentication & anti-replay features Why consider IPSec as a framework? IPsec is a complete su...00
JTJitin Tyagiinjeetintyagi.hashnode.dev·Apr 23, 2023 · 3 min readIPsec VPN: NAT Traversal (NAT-T)Overview of NAT-T feature NAT-T (Network Address Translation Traversal) is a feature of IPSec VPN that allows two endpoints to communicate with each other even if they are behind a NAT device. It works by encapsulating the IPSec packets in UDP pack...02JT
