rule.example_public.action=allow
rule.example_public.rule=Host("stats.example.com") && PathPrefix("/api/public")

rule.example_api.action=allow
rule.example_api.rule=Host("api.example.com") && Headers("X-API-Authorization", "a-long-api-key")

rule.example_api_query.action=allow
rule.example_api_query.rule=Host("api.example.com") && && Query("api_key=a-long-api-key")