How to set up IKEv2 VPN server?
(Windows server)
I need to set up an IPSecvpn server with IKEv2 protocol for our users. User can connect to the VPN using Cisco Anyconnect client (I don't have a choice). I would appreciate your recommendations on how to install a new server and set up the VPN. Thanks! The basic requirements are IKEv2 protocols enabled on TCP and UDP port 5060, the server IP should be added to the list of trusted IP addresses in Group Policy on all clients, and the computer account should be a member of the "Domain Computers" security group on the AD servers. For more information about setting up VPNs, see Configure IKEv2 VPN client-to-server network gateway tunneling or Create a Remote Access VPN tunnel on Windows Server 2025 and later.
What is the server address for IKEv2?
The server address is usually something like "fe80::2" or "1:2:3:4:5". This is a bit of a pain because you have to configure your firewall's NAT rules to allow the traffic through. If you use an IP-based network, you might be able to use one of the other standard addresses: "172.16.12", "192.168.12", or "10.
When you configure IKEv2 (and IPSec generally) it's important to put your IPs on the "server" side first, and your routers and other devices on the "client" side first. In short, this doesn't work: ipsec ikev2 --fragment --stateless --authbypass --secret mysecret. server 192.10 but it works: client 192.
What is the username and password for IKEv2 VPN server?
I need to connect a device using the username and password.
For a very basic answer to this question, I suggest you use a free VPN service such as Private Internet Access or StrongVPN. For these services you can simply search for "IKEv2 VPN username and password" or similar. Both are reputable and offer very good quality services at an affordable price.
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What port does IKEv2 VPN server use?
Or does it matter?
Hi.e. I've got a new company and now I'm setting up our VPN server.
The instructions in the documentation is just to point to the IP of the server with. Echo "10.1" > /proc/sys/net/ipv4/conf/Tunnel1/clientport but what should I put for "IKEv2 server port"? I don't see it there. In the guide says: IKEv2 is different: the IKE (Internet Key Exchange) protocol requires a UDP port number to be provided. That's quite confusing, because I read something about it being the default port but I could not find it. I also read that all ports are the same but again I don't see that.
It's possible I've misunderstood what the guide says or I'm just bad at interpreting documentation but could someone please clarify? IKEv2 specifies the UDP port as a parameter to the tunnel() function. That parameter is not described in the linked document, but it would be called the IKE server port, as that's where the tunnel() function starts.
For more details on that call, see here and here.
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