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This page gives information exceptions that might need to be manually added to your firewall settings.

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Overview

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Chaos products add various exceptions (rules) for themselves during the installation process. Sometimes, adding a firewall exception isn’t enough to allow an application to receive information. In these cases, the only way to get the program operating correctly is to manually add a port/program exception to your firewall.

Manual changes to firewall exceptions are made through your OS settings. The procedure for adding a firewall exception varies for each OS. Please refer to your OS documentation for steps on how to manually set an exception for a specific executable or port in your OS.

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Chaos License Server

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  • During installation, exceptions are made to your firewall to ensure smooth running. The exception is added for:

C:\Program Files\Chaos\VRLService\OLS\vrol.exe

C:\Program Files\Chaos\UnifiedLogin\ula.exe

After installing the License Server, you need to ensure that TCP Port 30304 is open for both incoming and outgoing communications in the firewall software running on the machine where the license server is installed.




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  • If you have disabled the Add firewall exception in the V-Ray and the License Server installers, you can re-install, while making sure the option is enabled, or you can add the exception manually:
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  1. Open the Windows Start Menu and choose Control Panel.
  2. Search for "Windows Firewall".
  3. Select Allow a program or features through Windows Firewall.
  4. Click on Allow another program.
  5. Browse to the install location of the license server. By default, it is in C:\Program Files\Chaos\VRLService\OLS\.
  6. Add vrol.exe
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  1. From the Apple menu, choose System Preferences.
  2. Go to Security or Security & Privacy.
  3. Click the Firewall tab.
  4. Unlock the pane by clicking the lock icon in the lower-left corner and type in your account's credentials (you'll need administrator privileges).
  5. Select Advanced and click the plus sign.
  6. Browse to the install location of the license server. By default, it is in Applications > Chaos> VRLService > OLS.
  7. Select vrol.bin



V-Ray for Max/Maya/Nuke and Standalone

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V-Ray's Linux installers do not attempt to create any firewall exceptions. Firewall exceptions can be added manually in Linux for vray.bin. 


V-Ray for Rhino/Revit and SketchUp

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For all three programs, V-Ray adds firewall exceptions on port 20208 (the default port we use for V-Ray Standalone), on both TCP and UDP,

 


V-Ray Swarm

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During the Swarm installation, V-Ray adds a firewall exception for the executable for swrm.exe:

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V-Ray also adds firewall exceptions on port 24267 for access to the Swarm Web interface.