Re: Spice protocol behind a Firewall

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On 02/19/2017 07:33 PM, Oscar Segarra wrote:
Hi Uri,

I have not been able to find the example you suggest... can you paste
the url of the example?


Hi Oscar,

Disclaimer:
   This is just an example. There may be better more secure ways
   to do it. You should research and decide on a solution
   according to your specific requirements.
   I did not even test the suggested solution.

For example:
http://wiki.squid-cache.org/SquidFaq/SquidAcl under
"Is there an easy way of banning all Destination addresses except one?"

You can configure your squid server to allow only access the
two hosts and specific ports on those hosts and deny the rest.

acl GOOD_HOST dst 10.0.0.1
acl GOOD_HOST dst 10.0.0.2
acl GOOD_PORT port 5900
http_access allow GOOD_HOST
http_access allow GOOT_PORT
http_access deny all

# The last command is not needed according to
# http://www.squid-cache.org/Doc/config/http_access/
# but it does appear in the SquidAcl example

Uri.


2017-02-19 18:23 GMT+01:00 Uri Lublin <uril@xxxxxxxxxx>:
    On 02/19/2017 12:50 PM, Oscar Segarra wrote:

        Hi Uri,

        Is there any public documentation for configuring the http/https
        proxy?

        In my scenario, I have 2 hypervisors and I don't know exactly how to
        redirect each port to each hypervisor.

        And regarding your comments, host_ip and host_port (in first and
        second
        command) belong to the reverse proxy or the hypervisor?

        Thanks a lot for your help


    One proxy server you can try is squid (squid-cache.org
    <http://squid-cache.org>).
    Perhaps one of the examples on its site fits your needs.

    In the command below, host is the hypervisor.
    If you want to hide the hypervisor ip address and port
    perhaps a more sophisticated proxy can be used and that
    command line will be a bit different. I never tried it.

    Regards,
        Uri.


        El 19 feb. 2017 10:48 a. m., "Uri Lublin" <uril@xxxxxxxxxx
        <mailto:uril@xxxxxxxxxx>>

                On 02/19/2017 08:07 AM, Oscar Segarra wrote:

                        Hi,

                        First of all, I'd like to say that I'm not sure
                enough I'm
                        writing to
                        the correct mailing list, I have not been able
                to find a common
                        users
                        mailing list.

                        I'm planning to deploy a VDI solution based on
                SPICE. I'd like
                        to grant
                        access through the Internet to the VDI desktops
                but I don't want to
                        expose the hypervisors to the Internet.

                        Using virt-viewer or remote-viewer (not the
                html5 feature as I
                        want USB
                        redirection), is there any trick to make this
                scenario work:

                        /Internet --> FW --> Kind of spice reverse proxy
                --> FW -->
                        Hypervisors
                        (more than one)./


                Hi,

                If you have an http/https proxy server, please try:
                  SPICE_PROXY=proxy_ip:proxy_port  remote-viewer
            host_ip:host_port

                Hope that helps,
                    Uri.




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