Cisco Simple GRE with IPSEC Tunnels
GRE with IPSEC KB ID 0000951 Problem I’ve spent years setting up VPN tunnels between firewalls. The only time I’ve ever dealt with GRE is for letting VPN client software though firewalls. GRE’s job is to ‘encapsulate’ other protocols and transport those protocols inside a virtual point to point link. Below is the topology, I’m going to use. The tunnel will run form Router R1 to Router R3, once...
Implementing GDOI into DMVPN
GDOI into DMVPN KB ID 0000956 Problem Just recently I covered DMVPN, which is a great scalable system for adding new sites to your network infrastructure and have them join an existing VPN solution without the need to add extra config at the ‘hub’ site. One of the advantages of DMVPN is it maintains VPN connections from your ‘Spoke’ sites back to the ‘Hub’ site, but if a spoke site needs to speak...
Cisco FTD (and ASA) Creating AnyConnect Profiles
KB ID 0001685 Problem A few days ago I did an article on Deploying Cisco AnyConnect with the Cisco FTD, there I glossed over the AnyConnect profile section. For a long time now, we have been able to edit the AnyConnect profile from within the firewall (if we are running ASA code!) But for the FTD we need to take a step backwards and go back to using the ‘offline’ AnyConnect profile editor. Solution Firstly you need to...
AnyConnect – ‘VPN establishment capability for a remote user..
KB ID 0000546 Problem If you connect to to a client via RDP then try and run the AnyConnect client, you will see one of these errors; VPN establishment capability for a remote user is disabled. A VPN connection will not be established VPN establishment capability from a Remote Desktop is disabled. A VPN connection will not be established This, behaviour is default, and despite me trawling the internet to find a solution (most...
Outlook: ADFS Error 0xCAA70010
KB ID 0001652 Problem While trying to connect Outlook (2016) to an Office 365 email account; We can’t connect you It looks like we can’t connect you to one of our services the moment. Please try again later, or contact your helpdesk if the issue persists. 0xCAA70010 {ADFS-URL} Solution This was happening because my ADFS server was using a ‘self-signed’ certificate (i.e. not a purchased one). This should NEVER...