For example, RFC 6071 refers to them at the same time but separately as the "IP Security (IPsec) and Internet Key Exchange (IKE) Document Roadmap". Do you include IKE in "IPSec" or when you say IPSec to you mean just ESP/AH?
Avoid PPTP if possible — unless you absolutely have to connect to a VPN server that only allows that ancient protocol. IKE establishs the shared security policy and authenticated keys. In case you’d like to find out more about L2TP, follow this link. L2TP or Layer 2 Tunneling Protocol is an advanced version of PPTP.
This article walks you through the steps to configure IPsec/IKE policy for Site-to-Site VPN or VNet-to-VNet connections using the Resource Manager deployment model and PowerShell. OpenVPN seems to be the best option. IPsec and IKE protocol standard supports a wide range of cryptographic algorithms in various combinations. The confusion, (for me,) is that in the Cisco IOS ISAKMP/IKE are used to refer to the same thing. Nowadays, some VPN providers offer the option to enable Internet Key Exchange version 2 (IKEv2) as an alternative form of authentication. IKE Phase II (Quick mode or IPSec Phase) IKE phase II is encrypted according to the keys and methods agreed upon in IKE phase I. OpenVPN can be used both as L2 and L3 class. If only L2TP/IPsec or PPTP are available, use L2TP/IPsec.
IKEv2/IPSec is considered to be a highly secure VPN protocol because of its reliability and security when negotiating a new tunnel session. To be used with VPNs for maximum security, IKEv2 is paired with IPSec. Shared Secret: SonicWall (The Shared Secret would be the same at both SonicWall’s). As for accessibility, L2TP/IPSec is natively available on more platforms than IKEv2/IPSec is, but IKEv2 is available on BlackBerry devices. IPsec VPN Overview, IPsec VPN Topologies on SRX Series Devices, Comparison of Policy-Based VPNs and Route-Based VPNs, Understanding IKE and IPsec Packet Processing, Understanding Phase 1 of IKE Tunnel Negotiation, Understanding Phase 2 of IKE Tunnel Negotiation, Supported IPsec and IKE Standards, Understanding Distributed VPNs in SRX Series Services Gateways … If no reply is received within eight consecutive transmissions, the peer is considered dead, and the IKE SA and IPSec … I am using both IPSEC and OpenVPN infrastructure connections, but OpenVPN shows much better stability and flexibility.
$\endgroup$ – Thomas M. DuBuisson Mar 11 '18 at 18:32 About IPsec and IKE policy parameters for Azure VPN gateways. If you have to use another protocol on Windows, SSTP is the ideal one to choose.
It was developed as a joint project between Cisco and Microsoft. Overall, it would seem that IKEv2/IPSec is a better choice for mobile users, whereas L2TP/IPSec works well for other devices. IKE itself is just key exchange protocol, providing secure session keys negotiation. Local IKE ID: SonicWall Identifier - Shanghai (This could be any string except it has to match the remote location VPN's Peer IKE ID SonicWall Identifier). The key material exchanged during IKE phase II is used for building the IPsec keys. In IKEv2 mode, the retransmission interval increases from 1, 2, 4, 8, 16, 32 to 64 seconds. The IKE SA negotiation will be started again when the device has IPSec traffic to handle. OpenVPN can have multiple instances and IPSEC can be established only for single ip addresses pair. IPSec Secondary Gateway Name or Address: 0.0.0.0. By which I mean, my understanding is that Cisco's IKE … IKEv2 can be used with router-based VPNs or certificate-based services. It is just as quick to setup like PPTP and is compatible with all modern operating platforms. ISAKMP is the protocol that specifies the mechanics of the key exchange. SRX Series,vSRX. 2. Image Credit: Giorgio Montersino on Flickr. It does not provide any encryption by itself which is why it used with IPSec to fill in the lack of confidentiality. IKEv2 is a tunneling protocol that is standardized in RFC 7296 and it stands for Internet Key Exchange version 2 (IKEv2). The outcome of phase II is the IPsec Security Association.