Bug #76952
closed
Frequent unsuccessful backend login attempts
0%
Description
I am experiencing an issue where sometimes I am not able to login to backend, a 4.7 site was upgraded/redone to 6.2 then to latest 7.6.9, have recreated passwords for all users and can often log in without problems first time, but sometimes I am not able to login even for a few hours.
When I check logs I can see "LOGIN ATTEMPT Login-attempt from .*..* () for username 'admin' with an empty password!" so it seems like even though I manually enter the password each time somehow the system get's an empty password request. Very inconsistent unfortunately. I have tried using different browsers, sometimes it helps, not always.
Possible causes:
1) Core bug - Have found https://forum.typo3.org/index.php/t/203974/ but no solution there.
2) Server related issue
3) Browser / Password Manager related - typing password in manually and submitting decreases the number of failed logins but it does not work always.
4) I have noticed that sometimes blank duplicate sessions exist in TYPO3 admin / Backend Users / Online users, also for some users it's showing that they are logged in but they are actually not - possibly related to login issue?
Any thoughts are welcome. Thank you.
Updated by
Updated by Frank Nägler almost 8 years ago
- Status changed from New to Accepted
confirmed in the wild, no solution yet
Updated by Frank Nägler almost 8 years ago
- Status changed from Accepted to Needs Feedback
After restarting the webserver the problem is gone.
It looks like the webserver / opcode cache not recognize the symlink change.
can you test / confirm this?
anyway, can you look into the error_log if you find some helpful log statements?
Updated by Helmut Hummel over 7 years ago
Core bug - Have found https://forum.typo3.org/index.php/t/203974/ but no solution there.
Please read the last post in this thread. The reason was a faulty TYPO3 extension, not a core bug.
The debugging tips (look for JS errors or lading errors) are valid in this thread.
Besides that, this needs more details on how to reproduce, or should be closed.
Updated by Alexander Opitz over 7 years ago
- Status changed from Needs Feedback to Closed
No feedback within the last 90 days => closing this issue.
If you think that this is the wrong decision or experience this issue again, then please write to the mailing list typo3.teams.bugs with issue number and an explanation or open a new ticket and add a relation to this ticket number.