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*nix Thread, Help setting up Smoothwall firewall to a Citrix server. in Technical; from the info you gave in your pm, I was able to connect to the schools ica service using telnet ...
  1. #16


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    Re: Help setting up Smoothwall firewall to a Citrix server.

    from the info you gave in your pm, I was able to connect to the schools ica service using telnet on port 1494. There isn't a problem at the schools end unless it is selectively blocking your ip on 1494 which is unlikely.
    Get the telnet trick working from your end, try first by bypassing smoothwall to try and narrow the problem down. If you can get access to 1494 without smoothwall, then add smoothwall back into the equation. Once you are sure you can access the ica service then start worrying about application layer problems eg the ica client and browser.

    I assume BT don't treat ica traffic as some sort of 'bad' filesharing/gaming traffic and block it?

  2. #17


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    Re: Help setting up Smoothwall firewall to a Citrix server.

    SmoothWall Express shouldn't block anything outgoing by default... drop me a line if you're still getting problems.

    tom

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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Your problem lies in the fact that Metaframe CP 1.0a was released eons ago and does that stoopid random port thing that I mentioned.

    Try opening all ports in the range 4000-4999 (I can't remember the exact range so this many will help you prove the concept).

  4. #19
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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Thanks for replies... cybernerd , thanks for offer Tom and Ric see below

    What I have tried today .

    Connected to internet via Broadband router (public IP) and computer with software firewall (no smoothwall)

    could connect to school site ok >log on to school at home ok no problems !

    Then tried telnet > open (school ip) port 1494 = failed

    So now tried on DIAL-UP on a Different ISP.
    connected to school ok > school at home ok

    Then tried telnet > open (school ip) port 1494 = failed

    Then tried dial-up with smoothwall (another smoothie box ) connected to school site ok ..then school at home failed..

    Ric
    I have opened port 443, 1494, 1604
    my firewall has blocked these ports on different times I have tried to make a connection.
    45674,45675,45676,45677,45678,48413,48444,51302,51 298,51305,51301,51504,51505.

    So as a temporary solution if I open ports 40000 to 60000 on the school IP would that do the trick ?.

    I have sent the schools ICT manager a link to this post and said about there citrix software needs updating.

    Regards Michael.

  5. #20

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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Quote Originally Posted by tickmike
    I have sent the schools ICT manager a link to this post and said about there citrix software needs updating.
    It's not fair to say that they NEED to upgrade... just that newer version have some nice features for publishing servers to the web... including make them more easily available through firewalls. IIRC bandwidth and system resource usage has improved too.

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    Re: Help setting up Smoothwall firewall to a Citrix server.

    surely Citrix XP1 is still supported?
    Without subscription advantage upgrade would be a major cost.

    anyway, I tried from here again- using the citrix client and it connect to a win2003std server called Citrix01 - as does telnet. I'm pretty sure its not a problem from their end and like Tom said smoothwall isn't going to block outbound ports by default.

  7. #22
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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Quote Originally Posted by CyberNerd
    telnet can be a useful debugging tool in this sort of situation to check connectivity to the Citrix service on port 1494.
    from your come machine try:
    Code:
     telnet school.county.sch.uk 1494
    if you get something along the lines of connected to ..... then you know that its an application error and nothing to do with your smoothie
    Not sure if there are different versions of telnet ( I use W2K ) but I found out I had to put "open" in front of the school ip eg
    open (school ip address) 1494
    Then it WORKED I could Telnet through my smooth box to port 1494.

    OK but what does this prove ?.

  8. #23
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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Quote Originally Posted by Ric_
    Quote Originally Posted by tickmike
    I have sent the schools ICT manager a link to this post and said about there citrix software needs updating.
    It's not fair to say that they NEED to upgrade... .
    What I mean is can you just do an free update (like you update windows or your anti virus) .
    you can tell I know nothing about Citrix products.! ops:

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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Quote Originally Posted by tom_newton
    SmoothWall Express shouldn't block anything outgoing by default... drop me a line if you're still getting problems.

    tom

    Sent you a PM.

  10. #25


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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Not sure if there are different versions of telnet ( I use W2K ) but I found out I had to put "open" in front of the school ip eg
    open (school ip address) 1494
    Then it WORKED I could Telnet through my smooth box to port 1494.

    OK but what does this prove ?.
    It proves that you have a connection to the server on port 1494, therefore no ports are being blocked on the way, and no routing problems. probably this is a problem with your citrix client application, and not smoothwall.

  11. #26
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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Re...Tom said smoothwall isn't going to block outbound ports by default.
    No I agree But the problem is all these random ports form the schools citrix server
    45674,45675,45676,45677,45678,48413,48444,
    51302,
    51298,51305,51301,51504,51505.
    it wants to connected to my firewall, as Ric pointed out .

  12. #27

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    Re: Help setting up Smoothwall firewall to a Citrix server.

    Quote Originally Posted by CyberNerd
    Not sure if there are different versions of telnet ( I use W2K ) but I found out I had to put "open" in front of the school ip eg
    open (school ip address) 1494
    Then it WORKED I could Telnet through my smooth box to port 1494.

    OK but what does this prove ?.
    It proves that you have a connection to the server on port 1494, therefore no ports are being blocked on the way, and no routing problems. probably this is a problem with your citrix client application, and not smoothwall.
    XP1a is still supported to a certain extent but it is several years old too.

    This does indeed prove that the connection inbound to the Citrix farm works but the server(s) then communicate with the client on different ports.

  13. #28
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    Re: Help setting up Smoothwall firewall to a Citrix server..

    Seasonal Greetings.

    Problem solved.

    With this error message "cannot connect on to citrix metaframe sever.. proxy connection failed the configured proxy server refused to establish a connection. click ok"
    I thought It was my new 'Smoothwall' firewall and proxy that was causing this problem,

    >How wrong could I be.<

    This is how I solved the problem, I built a new machine up as a test computer, put the OS on it (W2K pro) and service packs and updates, Opened IE6, logged on to my daughters school ok, then on to the secure homework site clicked on MS Word, then got the same error message as above.
    I did a check of my setting in.... Start>Control>Internet Options>Connections>Lan Settings>Advanced>Exceptions.."DO NOT USE PROXY SERVER FOR THE FOLLOWING ADDRESS'S BEGINNING WITH" ..... I put in the schools IP address and then tried the above test again AND IT WORKED ( fell of chair ... put flags out... 6 weeks of trying different things to get it working ).
    So I went to one of my home network computers reconfigured the IE6 settings and it worked, so now I tried Firefox and Opera Browsers and they worked ok with out changing any settings.

    Thanks for all who helped.
    Regards Michael.



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