---
id: 2319
title: "DNS pinning and web proxies"
source_domain: portswigger.net
source_url: "https://portswigger.net/blog/dns-pinning-and-web-proxies"
published_at: "2007-07-10T13:10:00Z"
tags: ["browser-security", "portswigger", "web-proxy", "dns-rebinding", "dns-pinning", "web-proxies", "intranet-security"]
phying_url: "https://phying.com/item/2319"
lang: en
---

# DNS pinning and web proxies

## Summary

DNS rebinding targets web proxies too: lookups happen on the proxy, so browser DNS pinning defenses don't apply, exposing corporate intranets. Stuttard's paper examines fixes and practical defenses.

## Intelligence Metadata

- **Sources:** portswigger.net
- **Published:** 2007-07-10T13:10:00Z
- **Original:** https://portswigger.net/blog/dns-pinning-and-web-proxies
- **Phying News:** https://phying.com/item/2319