Issue

 

On a proxy server connection, Canvas/WebGL Test Movie workflow results in a "connection refused" error.

Steps to reproduce the issue

Windows:

  1. Point your network connection to a proxy server (Start > Control Panel > Internet Options > Connections > LAN Settings).
  2. Launch Flash and create a Canvas/WebGL document.
  3. Draw something on stage and test the movie. Browser displays the "connection refused" error message.
Mac:
  1. Open System Preferences.
  2. Click Network > Advanced.
  3. In to Proxies tab, check the Web Proxy (HTTP) and Secure Web Proxy (HTTPS) checkboxes, and enter the proxy server details.

Firefox:

  1. Go to Preferences > Advanced.
  2. On the Network tab, click Settings.
  3. Select Manual Proxy Configuration and enter the proxy details.

Solution

Make an exception for local addresses.

Windows:

  1. Open Start > Control Panel > Internet Options.
  2. In the Connections tab, click LAN Settings and check 'Bypass proxy server for local addresses'.

Mac:

  • In the Bypass Proxy Settings for these Hosts and Domains section under the Proxies tab, add 127.0.0.1.
Firefox:
  1. Go to Preferences and click on the Advanced tab. 
  2. On the Network tab, click Settings.
  3. Under the 'No Proxy for' section, enter 127.0.0.1.

Note: For HTML5 Canvas documents, turn off hosted libraries option in Flash publish settings.

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