Looking for logging into the Htaccess Phpbb3 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Htaccess Phpbb3 site. After that you can login as usual with your login credentials.
https://www.phpbb.com/community/viewtopic.php?t=1535845
https://www.phpbb.de/community/viewtopic.php?t=234724
https://gist.github.com/3D-I/446213dd9647c618acee3eed03e7cd33
https://www.siteground.com/phpbb-security.htm
https://stackoverflow.com/questions/27315947/wordpress-and-phpbb3-seo-premod-3-0-12-installed-in-a-subfolder-htaccess
https://stackoverflow.com/questions/tagged/phpbb3
https://www.woltlab.com/article/53-umschreibungen-phpbb-3-x/
https://tas2580.net/blog/phpbb-https-umstellen.html
http://www.w3nord.de/phpBB.php
https://www.fastcomet.com/tutorials/phpbb3/performance-optimization
https://www.digitalocean.com/community/questions/htaccess-to-nginx-phpbb-seo-rewrite-mode
https://www.akeebabackup.com/support/admin-tools/12347-htaccess-redirect-with-phpbb3.html
http://web-tourist.net/login/login/view.php?st=2819