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Apache Reverse http:// proxy being hijacked by ws://

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Joined: 03 Aug 2017
Posts: 1

PostPosted: Thu 03 Aug '17 16:51    Post subject: Apache Reverse http:// proxy being hijacked by ws:// Reply with quote

I have had apache reverse proxy working fine for a while, however one of the items I proxy too now requires ws:// rtaher than http://

I have added in the config for this and it works, however it then hijacks all other redirects.

For example:

If I access a standard http:// -> http:// proxy (e.g target2 below) - this works.

If I access a standard http:// -> ws:// proxy (e.g target1 below) - this works.


After accessing the ws:// (e.g target1 below) proxy redirect - all subsequent redirects (e.g target2,target3 below)then end up at the ws:// target1 instead for the remainder of the browser session.

I'm sure this is probably something to do with the socket remaining open or something along those lines, however I really do not know enough about it to begin guessing.

conf example below:

<IfModule mod_ssl.c>

        <VirtualHost _default_:333>

                ServerAdmin webmaster@localhost
                DocumentRoot /var/www/html/
                ErrorLog ${APACHE_LOG_DIR}/error.log
                CustomLog ${APACHE_LOG_DIR}/access.log combined
                SSLEngine on
                SSLCertificateFile /etc/apache2/keys/fullchain.pem
                SSLCertificateKeyFile /etc/apache2/keys/privkey.pem

        ProxyPass /target1 ws://
        ProxyPassReverse /target1 ws://

        ProxyPass /target2 retry=0
        ProxyPassReverse /target2

        ProxyPass /target3 retry=0
        ProxyPassReverse /target3



Any pointers would go a long way.
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James Blond

Joined: 19 Jan 2006
Posts: 6352
Location: Germany, Next to Hamburg

PostPosted: Mon 28 Aug '17 23:21    Post subject: Reply with quote

Yepp it is because of the headers

HTTP Response

Upgrade: WebSocket
Connection: Upgrade

The browser keeps that.

So you may use location(s) instead of the vhost only and use unset header or set a different header. I'm not sure. I can't use sockets on windows with apache.
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