L2TP VPN - Windows 10 configuration – Untangle Support

[VPN] How to set up the ASUSWRT for VPN server – PPTP Apr 07, 2015 RRAS SSTP VPN with Ms-chap authentication, Dec 26, 2011 VPN | School of Computing and Information Sciences VPN Accounts. VPN accounts are offered for faculty members to connect to the SCIS department network and work remotely. In some special cases, graduate students who show a need for a VPN account may be granted one with prior approval by their sponsoring faculty. L2TP VPN - Windows 10 configuration – Untangle Support

Use the Microsoft Challenge Handshake Authentication Protocol Version 2 (MS-CHAP V2) to authenticate VPN clients over L2TP/PPTP (mutual authentication between peers) or to authenticate HTTP Proxy users. The firewall must join the domain before using MS-CHAP authentication.

CHAP (Challenge-Handshake Authentication Protocol) is a more secure procedure for connecting to a system than the Password Authentication Procedure (PAP). Here's how CHAP works: Configuring PPTP (VPDN) Server On A Cisco Router

One is that you have to configure the VPN connection on the Windows machine to use PAP as authentication. Seems that the RV routers does not support the use of CHAP or MS-CHAP as authentication protocol for L2TP.

Understanding and Configuring PPP CHAP Authentication - Cisco Introduction. The Challenge Handshake Authentication Protocol (CHAP) (defined in RFC 1994) verifies the identity of the peer by means of a three-way handshake.These are the general steps performed in CHAP: After the LCP (Link Control Protocol) phase is complete, and CHAP is negotiated between both devices, the authenticator sends a challenge message to the peer. VPN Access denied CHAP authentication fai… - Apple Community Jan 16, 2007 Windows 10 L2TP VPN setup | My Private Network | Global