EdgeRouter - Dynamic Site-to-Site IPsec VPN using FQDNs

IPSEC VPN with pre-shared key not working under Windows 10 username admin privilege 15 secret 5 username user privilege 2 secret 5 not work. "unknown DH group 20" makes me think you're using L2TP in the Windows VPN software but Cisco only supports IPSec. The old Cisco VPN Client does not work on Windows 10 but EdgeRouter - Dynamic Site-to-Site IPsec VPN using FQDNs delete vpn ipsec site-to-site peer er-r.ubnt.com authentication pre-shared-secret set vpn ipsec site-to-site peer er-r.ubnt.com authentication mode rsa set vpn ipsec site-to-site peer er-r.ubnt.com authentication rsa-key-name er-r commit ; save. CLI: Access the Command Line Interface on ER-R. 1. Configuring IKE Pre-Shared Keys Using a RADIUS Server for

Step 2: Configure Pre-Shared Key on IPSec Peers. We have three methods of device authentication, Pre-Shared Key, RSA and Digital Certificates. Pre-Shared Key is the simplest among the three to set-up. The term Pre-Shared Key means a common key pre configured on both IPSec peers. We use Pre-Shared keys only if we have small number of IPSec devices.

Configuring IPsec VPN Server – GFI Support A preshared key (PSK, shared secret). An SSL certificate. Configuring IPsec VPN server with a preshared key. Note: The preshared key is a shared password for all users using an IPsec VPN. In the administration interface, go to Interfaces. Double-click on VPN Server. In the VPN Server Properties dialog box, check Enable IPsec VPN Server. VPN Tutorials: Example 1 - Preshared Key Authentication

My university provides a VPN service to gain access to internal services to all members. They are apparently using an L2TP/IPsec solution by Cisco. I'm able to connect just fine, but I'm a bit worrying about the security: In the configuration manual for various operating systems, they mention the "IPsec shared secret" in plaintext.

Jun 24, 2010