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https://github.com/nmap/nmap/issues/766
HTTP Host header is missing port info · Issue #766 · nmap/nmap · GitHub
According to RFC 2616, Section 14.23: The Host request-header field specifies the Internet host and port number of the resource being requested, as obtained...
http hostmissing portnmap githubheaderinfo
https://www.oreilly.com/library/view/squid-the-definitive/0596001622/re116.html
httpd_accel_uses_host_header - Squid: The Definitive Guide [Book]
Namehttpd_accel_uses_host_headerSynopsisWhen this directive is enabled, Squid uses a request’s Host header when rewriting accelerated/intercepted requests....
definitive guide bookhost headerhttpdacceluses
https://www.aikido.dev/blog/astro-full-read-ssrf-via-host-header-injection
Astro SSRF Vulnerability: Host Header Injection in SSR Error Pages (CVE-2026-25545)
Feb 25, 2026 - Aikido Security's AI pentesting agent discovered a Server-Side Request Forgery vulnerability in Astro's SSR implementation. Learn how Host header injection in...
host headererror pagescve 2026astrossrf
https://blog.cloudflare.com/per-origin-host-header-override/
Per Origin Host Header Override
Load Balancing as a concept is pretty straightforward. Take an existing infrastructure and route requests to the available origin servers so no single server...
host headerperoriginoverride
https://www.oreilly.com/library/view/squid-the-definitive/0596001622/re62.html
redirect_rewrites_host_header - Squid: The Definitive Guide [Book]
Nameredirect_rewrites_host_headerSynopsisSquid normally updates a request’s Host header when using a redirector. If you use Squid as a surrogate (HTTP...
definitive guide bookhost headerredirectrewritessquid
https://www.cloudflarestatus.com:443/incidents/tk5wlkj00hfj
Cloudflare Status - Page Rules with Host Header Override issues
Cloudflare's Status Page - Page Rules with Host Header Override issues.
cloudflare statushost headerrulesoverrideissues