User-agent: * # any robot
Disallow: /not-allowed/ # disallow this directory
User-agent: SiteAuditBot
Disallow: /
User-agent: SemrushBot-BA
Disallow: /
User-agent: SemrushBot-SI
Disallow: /
User-agent: SemrushBot-SWA
Disallow: /
User-agent: SplitSignalBot
Disallow: /
User-agent: SemrushBot-OCOB
Disallow: /
User-agent: SemrushBot-FT
Disallow: /