hi. where i live roblox is banned so i cannot open it at all. but i really wanna play roblox on my ps4. i figured if i set up a vpn in my modem i would be able to play on any device. my first question is; would LT2P or IPSEC vpn methods work?? and if so can someone plsss help me how to set it up 
i use zyxel i would provide screenshots and stuff for help if you would like to help me 
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p.s im not native. excuse my english
Where are you connecting to? You need to use the VPN type that’s required by whoever is running the network you are connecting to remotely.
IPsec is usually site-to-site. It going to depend on your router, but generally you are subscribing to an openVPN or wireguard vpn service like nordvprn or expressvpn. You configure the connection and PSK on the vpn site and then add the configuration to you router, google your router for compatability and instructions, there a plenty of walk-through
idek tbh i figured there might be a commection hat i can use online or smth??
If you aren’t hosting your own server somewhere then you’d need to pay for one or try to find a free VPN.