Modify HTTP Headers (HTTP Header) - FlexHeader extension

Security at a glance

Low riskSafety score 98/1001 finding

Describes the Firefox listing; other stores are scanned separately and can score differently. Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: flexheaders-alter-http-headers

Permissions (2)

  • Store local data
  • Block network requests (declarative)

Frequently asked questions

Is Modify HTTP Headers (HTTP Header) - FlexHeader safe to use?

Our latest automated scan rates the Firefox listing of Modify HTTP Headers (HTTP Header) - FlexHeader at 98/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Modify HTTP Headers (HTTP Header) - FlexHeader require?

Modify HTTP Headers (HTTP Header) - FlexHeader requests 2 permissions. The most significant: Store local data, Block network requests (declarative). See the full breakdown in the security report.

Who develops Modify HTTP Headers (HTTP Header) - FlexHeader?

Modify HTTP Headers (HTTP Header) - FlexHeader is published by Harrison Deo. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.