AWS VPC design concerns

#aws #vpc #ec2 #vpn

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How to make pre-shared key L2TP VPN connection to a Windows Server

Assume you’ve configured RRAS for L2TP with preshared key.

Now you’ve got to modify the registry of your windows client:

AssumeUDPEncapsulationContextOnSendRule

http://support.microsoft.com/kb/926179/en-us

#l2tp, #nps, #rras, #vpn, #windows

Fortigate VPN Troubleshooting

VPN client connection stop at 98%. How to fix it? We need to modify the register key:

  1. HKEY_LOCAL_MACHINESystemCurrentControlSetControlSecurityProvidersSCHANNEL
  2. add new DWORD (32-bit) SendExtraRecord
  3. Add Value 2
  4. Remove and reinstall with admin privilege.

http://social.technet.microsoft.com/Forums/windows/en-US/e6e8ada8-bc12-4f6f-8de3-1d3fd2ff4931/kb2585542-security-update-causing-ssl-vpn-issues?forum=w7itprosecurity

Fortigate VPN connection settings:

http://www.sirkit.ca/wiki/2010/12/ssl-vpn-authentication-by-security-group-using-ldap-on-fortigate-firewall-appliances-with-4-0-mr2

#fortigate, #fortinet, #vpn