For libraries using Patron Login for authentication, the requirements for usernames are as follows:

• The username must be under 255 characters.
• Allowed characters include anything in the Unicode character set.

The requirements for passwords are as follows:

• Password must use only letters, numbers, and special characters ~@#^$&*()-_+={},.?[]|
• Password must not be the same as username.
• Password must use 2 or more different characters.