new members press a button, read a code from a picture only they can see, and type it in. get it right and drain gives them the verified role. bots can’t read the picture, and raid accounts give up.

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setting it up

open the dashboard, pick your server and go to verification. pick the verified role and the channel for the panel, optionally an unverified role and a log channel, and save: drain posts the panel. picking another channel moves it there, and post it again reposts a panel somebody deleted. switching it off leaves the panel up but it stops letting people in.

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what a member sees

1

verify

they press the green verify button on the panel.
2

the picture

a message only they can see, with a picture of six letters and numbers. it lasts five minutes. a new code button draws another.
drain's captcha picture with enter code and new code buttons

only the person who pressed verify sees this

3

enter code

they type what they see. capitals and spaces don’t matter.
  • right: they get the verified role, lose the unverified one, and the message says they’re verified
  • wrong: they’re told how many tries are left, out of three
  • three wrong, or five minutes gone: they press new code
the picture never uses letters that look alike, like 0 and O or 1 and I.

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limits

the code is never stored as itself: only a hash of it, for those five minutes.

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ways to type it

the group answers to verification, verify and captcha.

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every command

there’s no enable command. after disable, run setup again, or switch it back on from the dashboard.

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worth knowing

  • autorole still gives its roles on join, verified or not. don’t make an autorole of anything that shows channels
  • if drain can’t draw the picture or reach its cache, the button says verification isn’t available right now instead of letting people through
  • drain needs manage roles, with both roles below its own