[Pikami]

1. If you can't accsess blocked pager even if you use a VPN it means that your VPN is missconfigured, VPN should always work for blocked sites. Try using TOR and report back.
2. You would need to do more recon, when you are limited can you still make DNS requests? Are all outbound ports blocked when the time is limited?
You can try hacking the firewall, ether remotly or find it and do it with physical accsess