Edge services: NAT, DHCP, and time

Put a LAN online through one public IP, publish a service, relay DHCP across subnets, and lock down time.

5 challenges · ~3 h · every step earns its own verified proof

0/5 solved

Get the LAN online with one public IPmedium~40 min
Put a whole private LAN online through a single public address with PAT.
Publish an inside server on one public portmedium~40 min
Publish one inside service on one public port, and nothing else.
A remote subnet isn't getting addressesmedium~50 min
A subnet a hop away leases nothing. Relay the broadcast to the central server.
One subnet leases, the other stays darkmedium~45 min
Relay is per-interface. Bring the second client subnet online too.
Lock down the time servicemedium~30 min
Close an open time service and require authenticated upstreams.