User-agent: *
Disallow: /userlist.php
Disallow: /register.php
Disallow: /userblocked.html
Disallow: /imageredirect.php
Disallow: /test/
Disallow: /forum/

User-agent: BLEXBot
Disallow: /
User-agent: SemrushBot
Disallow: /
User-agent: SiteAuditBot
Disallow: / 
User-agent: SemrushBot-BA
Disallow: / 
User-agent: SemrushBot-SI
Disallow: / 
User-agent: SemrushBot-SWA
Disallow: / 
User-agent: SemrushBot-CT
Disallow: / 
User-agent: SemrushBot-BM
Disallow: / 
User-agent: SplitSignalBot
Disallow: / 
User-agent: SemrushBot-COUB
Disallow: /

User-agent: Twitterbot
Allow: /

User-agent: facebookexternalhit
Allow: /