Step 1
Send an HTTP HEAD request
Try this step on your own first. Reveal more only when you're stuck.
Guided walkthrough
GET aHEAD
Solve it yourself, one step at a time. Each step starts with a nudge. Reveal a hint, the full step, or the deeper explanation only when you actually need it.
Step 1 of 1
That's every step. Now go capture the flag yourself.
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