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Diffstat (limited to 'doc-src/features/reverseproxy.html')
| -rw-r--r-- | doc-src/features/reverseproxy.html | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/doc-src/features/reverseproxy.html b/doc-src/features/reverseproxy.html index 1c57f0b2..5ef4efc5 100644 --- a/doc-src/features/reverseproxy.html +++ b/doc-src/features/reverseproxy.html @@ -25,4 +25,28 @@ service uses HTTP like this: https2http://hostname:port - +### Host Header + +In reverse proxy mode, mitmproxy does not rewrite the host header. While often useful, this +may lead to issues with public web servers. For example, consider the following scenario: + + $ python mitmdump -d -R http://example.com/ & + $ curl http://localhost:8080/ + + >> GET https://example.com/ + Host: localhost:8080 + User-Agent: curl/7.35.0 + [...] + + << 404 Not Found 345B + +Since the Host header doesn't match <samp>example.com</samp>, an error is returned.<br> +There are two ways to solve this: +<ol> + <li>Modify the hosts file of your OS so that example.com resolves to 127.0.0.1.</li> + <li> + Instruct mitmproxy to rewrite the host header by passing <kbd>‑‑setheader :~q:Host:example.com</kbd>. + However, keep in mind that absolute URLs within the returned document or HTTP redirects will cause the client application + to bypass the proxy. + </li> +</ol>
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