![]() With Login Security module, a site administrator may protect and restrict access by adding access control features to the login forms (default login form in /user and the block called "login form block"). By default, Drupal introduces only basic access control denying IP access to the full content of the site. Login Security module improves the security options in the login operation of a Drupal site. The firewall/webserver is a more efficient place to block the users in terms of load on the server, but it usually requires a bit more effort.įor Drupal 6 and 7, AjitS has provided an answer with a good description of how to use a rate-limiting feature to prevent repeated login attempts from the same IP.įor Drupal 6 you should check for the Login Security module. ![]() You could also deny access to the IP in Apache or some other server level firewall. You can track the IP address in use by this person using watchdog entries and then use the built-in D6 Access Rules (or the d7 equivalent - ) to block access via that IP. Brute force attacks on passwords only work if someone does them a lot so if it just happens a few dozen times I wouldn't worry. ![]() If they happen a lot then you need to start taking more actions. The security review module or Droptor can help monitor these failed logins. There was a bounty for $500 to break TFA and although the white-hat attackers had username and password they couldn't break in. There are a few things you can potentially do to block this problem and reduce the success of an attacker.įirst, I recommend everyone use Two Factor Authentication so that even if the attacker guesses your username and password they still can't login. These kinds of probes are very common across the internet.
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