Create a plugin Skip/Bypass rule for the S2Member plugin in BPS Custom Code.
1. Copy the S2Member plugin skip/bypass rule below to this BPS Root Custom Code text box: CUSTOM CODE PLUGIN/THEME SKIP/BYPASS RULES
2. Click the Save Root Custom Code button.
3. Go to the BPS Security Modes page and click the Root Folder BulletProof Mode Activate button.
IMPORTANT Note: Add the actual path to where your S2Member protected page is, using the general example below.
# S2Member protected URL rewrite / redirect bypass
RewriteCond %{REQUEST_URI} ^/example-URI-path/example-registration-page/ [NC]
RewriteRule . - [S=13]