What is HMAC authentication and how does it make VPN safer?

The VPN worked for a few days. Now, it doesn’t work (it may be some configurations changed). Whenever the VPN client (v3.6) tries to access the VPN, it displays the login screen. After entering the username and password, you will receive “Secure VPN connection terminated locally. Reason 413: user authentication failed”. Any suggestions? Site-to-Site VPN connection between Check Point VPN-1 and Solution ID: sk33822: Technical Level : Product: IPSec VPN: Version: R77, R77.10, R77.20, R77.30, R80.10, R80.20, R80.30, R80.40: Date Created: 2007-11-06 00:00:00.0 Watchguard SSL VPN weird issue - Spiceworks

If the LDAP server is reached over a VPN, MPLS, or a routed network then consider increasing this value. Anonymous Login / Login Name / Bind Distinguished Name: Login Name/Distinguished Name can be any User but must be case sensitive. NOTE: When using Active Directory it's usually best to assign a bind the domain admin role.

Feb 03, 2020 Troubleshoot Mobile VPN with SSL If the user authentication fails on the Mobile VPN with SSL-specific authentication page, but the same credentials worked on the WatchGuard Authentication Portal page, the issue is almost certainly group membership. Confirm that the user is part of the configured group for Mobile VPN with SSL. By default, this group is SSLVPN-Users. Connection / Crash / Authentication error with the Windows

Dec 24, 2018

Watchguard SSL VPN weird issue - Spiceworks Jul 22, 2014 SSH: Authentication Failure The most common cause for failed authentication is an incorrect password, likely caused by a typing mistake. The user name may be incorrect. Check that you have typed it correctly. One possible reason for authentication failure is that the remote host computer may have been configured to require several authentication methods to be used. Authentication failure on SSL-VPN | Fortinet Technical Jun 22, 2014 Nordvpn Authentication Failed Android 👋proXPNPros+