InfraGuard

Detection rule: Non-compliant Character

Spec-violating characters in the method or URI.

WarningHTTP ComplianceSuricata

What it detects

Spec-violating characters in the method or URI.

Why it fires

Possible encoding evasion, fuzzing or payload obfuscation.

Worst case

Filter bypass

Matching signatures

non-compliant character

Track these versions on your own servers

InfraGuard collects installed software versions from every server and flags the ones with known vulnerabilities. Self-hosted — nothing leaves your network.

Weekly exploited-vulnerability digest

The KEV additions that matter for self-hosted servers, once a week. No other mail.