Bring up a VPN Tunnel From the ASA
KB ID 0001604 Problem A colleague was doing a firewall migration yesterday and I offered to sit in, in case he had any problems, one of the tasks was a VPN tunnel getting migrated, this is usually painless, (if you have control of both ends!) But in this case we didn’t, and it’s usually the case, when there’s VPN problems, the people at the {ahem} ‘less experienced,’ end of the tunnel tend to blame the...
PowerCLI: Connect-VIServer Certificate Errors
KB ID 0001603 Problem When attempting to connect to a vCenter or ESXi host, you see the following error; Connect-VIServer : {Date} {Time} Connect-VIServer Error: Invalid server certificate. Use Set-PowerCLIConfiguration to set the value for the InvalidCertificateAction option to Prompt if you’d like to connect once or to add a permanent exception for this server. Additional Information: Could not establish trust relationship...
Cisco ASA Site to Site IKEv2 VPN Static to Dynamic
KB ID 0001602 Problem Site to Site VPNs are easy enough, define some interesting traffic, tie that to a crypto map, that decides where to send the traffic, create some phase 1 and phase 2 policies, wrap the whole lot up in a tunnel-group, and you’re done! But there needs to be a ‘peer address’ in the crypto map, and if one end of the VPN is on DHCP that address is likely to change, so you cant supply that? The...
EVE-NG on VMware ESX Strange ARP Problems?
KB ID 0001601 Problem I use EVE-NG a lot, it’s an awesome tool. Also I’m lucky enough to have my own ESX servers, so that’s where it lives. I’ve noticed this problem before, but I’ve either given up, and done something else, or it’s manifested itself in an ‘odd’ way that I can work around. If you’re new to connecting EVE-NG to a live network you might want to read the following...
Windows Server: Stop Programs Auto Starting / Auto Running
KB ID 0001600 Problem I like to learn the keyboard shortcuts for these sort of things, (because developers will change the way things are done in the GUI). So in the good old days I simply ran msconfig, and located the offending software on the startup list and disabled it. Then that got removed and put in ‘Task Manager’, then that got removed. So I’m pulling a frowny face at Microsoft Developers for their lack of...