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Reverse proxy an http:// domain to a GitHub Pages URL – Apache

I have a URL, http://example.com, that I would like to use to serve content from my GitHub Pages site at https://myusername.github.io/mysite/ via a reverse proxy in Apache. This is both as a temporary workaround until I update example.com‘s DNS setting to point to GitHub Pages, as well as to teach myself how reverse proxies work.

I have my Apache config like so:

<VirtualHost *:80>
    ServerName example.com
    SSLEngine On
    SSLProxyEngine On
    SSLProxyVerify none
    SSLProxyCheckPeerCN off
    ProxyPass "/" "https://myusername.github.io/mysite/" 
</VirtualHost>

When I try to go to “example.com”, I get “The proxy server could not handle the request GET /.
Reason: Error during SSL Handshake with remote server.”

Is what I’m trying to do possible, and if so, what should I be changing?

I’m using Apache 2.2.

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3

Answers


  1. 0

    You should probably remove the line:

    SSLEngine On

    It enables HTTPS on your port 80… but you don’t provide an SSL certificate (…and HTTPS uses port 443).
    You should also add the line:

    ProxyPassReverse "/" "https://myusername.github.io/mysite/"

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  2. 0

    The following config works perfectly on reverse proxy github pages

    <VirtualHost *:80>
        ServerName custom-domain
        ServerAdmin [email protected]

        ProxyRequests Off
        ProxyPreserveHost On
        SSLProxyEngine on
        SSLProxyVerify none
        SSLProxyCheckPeerCN off
        SSLProxyCheckPeerName off
        SSLProxyCheckPeerExpire off

        RequestHeader set Host "myusername.github.io"
        RequestHeader set X-Forwarded-Proto https
        RequestHeader set Origin "myusername.github.io"

        ProxyPass / https://myusername.github.io/mysite/
        ProxyPassReverse / https://myusername.github.io/mysite/
</VirtualHost>

    Make sure you replace myusername with your github username, mysite with your github repo name and custom-domain with your custom url

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  3. 0

    You don’t have to implement a reverse proxy yourself, since Github allows you to specify a custom domain

    https://docs.github.com/en/pages/configuring-a-custom-domain-for-your-github-
    pages-site

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