DOS ain't dead

After having migrated this forum to a different web and database server, user passwords containing single or double quotes (' or "), and only those (!), need to be escaped using \ properly. If your password is, e.g., 1"23'4, you have to type 1\"23\'4. (Cause: Magic Quotes)
After your initial login on the new server succeeds, you can "change" your password by typing 1"23'4 again. That will then save the correct hash value to the forum's database.

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Forum admin