Problem unique to Steve's Windows Client and possible fix: content-length header

[brianoflondon]

Describe the bug
When using Steve's SQRL client on Wine on a Mac with some sites and specifically Wordpress sites on Apache, log ins fail with a specific networking error.

To Reproduce
Use SQRL on Mac under Wine, try to log in to https://brianoflondon.me/blog/wp-login.php

Expected behavior
Successful log in.

Screenshots

Desktop (please complete the following information):

• OS: Mac OS

Additional context

Solution discussed here: https://sqrl.grc.com/threads/drupal-integration-issue-with-grcs-client.1037/#post-8678

And here: https://sqrl.grc.com/threads/problem-unique-to-steves-windows-client-and-possible-fix-content-length-header.1039/#post-8797