All challenges
OSINT
What's My Name
EasyPuzzle
RFCs are public documents that define how the internet works.
Which RFC number defines the HTTP status code 418 I'm a teapot?
The flag is NEPSEC{rfc_<number>} — for example NEPSEC{rfc_2324} if that were the answer. (It might be.)
Submit the flag
Sign in or create an account to submit flags.
Hints
Unlocking a hint deducts its cost from your score.
Hint 1 · costs 25 points
Write-up
Solve the challenge to read how it works.