I want to place a VPN beetween home and school because I do not trust the network down there.
If I configure the VPN server with NAT-T (nat-traversal) and configure my router to foward UDP 20 -> UDP 500 && UDP 21 -> 4500 (I also configure the client to use UDP 20 for IKE and 21 for NAT-t) will the configuration works?
And is IKE mandatory in order to ipsec to function?