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Output Headers Page

Welcome to the Output Headers Page! Use a query parameter to set the size (bytes) of an 'oversized-cookie' (e.g. /output-headers?size=4000). Use /output-headers?include-attack=true to include an attack string at the end of the cookie.

Request Headers

Name Size (bytes) Content
host24nginx-reflector.s-archer
accept3*/*
user-agent103Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
accept-encoding23gzip, br, zstd, deflate
x-forwarded-for14216.73.217.123
x-forwarded-proto5https
x-envoy-external-address14216.73.217.123
x-request-id369045fda7-2e9a-4906-8d70-db6548700772
arch-http-scheme5https
arch-http-version6HTTP/2
arch-tls-version7TLSv1.3
x-envoy-original-authority18reflect.archf5.com

Response Headers

Name Size (bytes) Content
Strict-Transport-Security16max-age=20000000
Set-Cookie44weak-cookie=weakphrase; Path=/output-headers
Set-Cookie22other-cookie=value-xyz