ARC2 Proxy
Security & WAF Per-domain rule list of user-agent rules

disallowed_user_agents

Block requests whose User-Agent matches a rule.

Config key
disallowed_user_agents
Scope
Per-domain rule
Type
list of user-agent rules
Default
none

A list of user-agent rules; a request whose User-Agent header matches any rule is blocked. Each rule pairs a string with a match_type (Equals, Contains, StartsWith, …), so you can block an exact agent or any UA containing a token.

[[proxy_rules.disallowed_user_agents]]
user_agent = "BadBot"
match_type = "Contains"