Can you solve the burble.dn42 ping challenge ?
$ ping -s 0 -c 1 fd42:4242:2601:31f0::1
-c 1to only return one ping, unless instructed otherwise
-s 0to create a zero sized ping, unless instructed otherwise
- Packet capture is your friend
- You may also find a CyberChef useful
- The server maintains state based on your source IP and will time out idle clients after several days. There are ways to check the status (revealed during the challenge) but if your state times out you will need to restart from the nearest checkpoint.