username validation

  1. Sam96

    XF 2.0 How can I access the value of Username for custom user field validation on registration page.

    I'm using the following method to validate the custom user field. https://xenforo.com/community/resources/custom-user-field-callback-validate-value.379/ However, for my situation, I need to access the Username that the user typed into the registration form to determine if the custom user field...
  2. Alfa1

    Limit username validation attempts to improve security

    The registration form has a username validation function. it seems this can be abused by attackers to find out what accounts are present on the site. The attacker can run a script to try millions of possible usernames to get a member list. I have recently encountered such attack on my vbulletin...
Top