Cisco ASA to Fortigate VPN (Properly!)
KB ID 0001721 Problem A while ago I did a run through on site to site VPNs from Cisco ASA to Fortigate firewalls. Back then I said that the default settings were a bit ‘shoddy’ and that I’d revisit it once I had more time. What do you mean shoddy? Well, Cisco and Fortinet are both guilty of enabling ‘Everything’ to make the tunnel come up, so people can just use a wizard and not put to much thought into...
VMware Edge Gateway VPN to Cisco ASA
KB ID 0001658 Problem I was asked to setup a VPN to help out a colleague this week. When I had a look, one end turned out to be an Edge Gateway, I wasn’t that concerned, I’d done similar things in my prior role, I just didn’t have access to the vCloud or VMware at this datacenter. Depite my best efforts on the ASA, the tunnel refused to come up, it took a little looking ‘under the covers’ to accurately...
Firefox Error – SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY
KB ID 0001189 Problem Firefox is what I use when Opera does not work, so when I tried to connect to some management servers that did not support Opera this happened; Secure Connection Failed An error occurred during a connection to {FQDN). SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message. (Error code: SSL_ERROR_WEAK_SERVER_EPHEMERAL_DH_KEY) Solution Navigate to ‘about:config’...
Cisco ASA Site to Site VPN’sSite to Site ISAKMP VPN (Main Mode)
KB ID 0000213 Problem As with most things, before you have a hope of fixing something, you will stand a better chance if you know how it works in the first place. Below is a quick run though of what’s happening with your site to site VPN’s and how they work. For the entire process we will have two Cisco ASA 5500 firewalls and a site to site VPN. Solution What’s an Initiator and a Responder? 1. Our Laptop 192.168.1.50...