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Wavecrest Knowledge Base

Administration

Allowing specific YouTube videos

Category: Administration

A new feature has been added to CyBlock version 9.1.0 that will allow specific YouTube videos, but continue to block the rest of the domain.

  1. Go to Web Management – Application Controls.
  2. Select the policy for which the YouTube video will be allowed.¹
  3. Enter the URL for the video in the New Video ID field and click green button.²
  4. The Video ID will be stripped from the URL and shown in the field below.

 

¹ The TV/Video Streaming category must already be blocked in the selected category.

² Use Ctrl+V to paste it in the field. Do not right-click and paste.

Automatic service start in a Linux environment

Category: Administration, General

In order to automate the start of any Wavecrest process in a Linux environment, please perform the following steps:

  1. Install the Wavecrest product.
  2. Copy the file …/wc/service/cyfin.init (or cyblock.init).
  3. Paste the file into the /etc/rc.d/init.d directory.
  4. Open the file in an editor.
  5. Locate the three instances of:
    • $USER_INSTALL_DIR$
  6. Replace each line with the appropriate install path:
    • /root/Wavecrest/CyBlock
    • /root/Wavecrest/Cyfin
  7. Save the file as “CyBlock” or “Cyfin.”
  8. Run one of the following commands:
    • chkconfig –level 2345 CyBlock
    • chkconfig –level 2345 Cyfin
  9. systemctl enable CyBlock.service

 

 

 

Enabling X11 upstream forwarding

Category: Administration, General, Network Configuration

Forwarding of X11 source IP information can be enabled by editing the proxy.cfg file.

  1. Navigate to C:\Wavecrest\CyBlock\wc\cyblock\db.
  2. Stop the CyBlock service.
  3. Open proxy.cfg in an editor such as NotePad.
  4. Between the  <TOP> and </TOP> entires, add the following line:
    • <param keyword=”xforward_enabled” value=”true” />
  5. Restart the CyBlock service.

 

Disappearing entries in Authentication Manager

Category: Administration, Authentication Manager, Proxy Settings

There is a known issue with Authentication Manager in versions prior to 6.8.2e. Adding a new bypass entry appears to delete all other entries. A service restart may alleviate the issue until the next entry is added.

Upgrading to at least version 6.8.3a is recommended (Administration – Product Update).

Note:  A new release with a redesigned user interface and enhanced functionality is available. Get more information on this upgrade at http://www.wavecrest.net/support/announcements.html.

Error connecting to Outlook Cloud

Category: Administration

If you receive an error when connecting to Outlook Cloud, authentication may need to be bypassed in CyBlock.

  1. Go to User Management – Authentication and select the Bypass tab¹ ².
  2. Click the green button button³.
  3. Under URL or Domain, enter the URL of the Outlook Cloud (ex: server.outlook.com).
  4. Under User-Agent, enter * (asterisk).
  5. Click Add.

 

¹ For version 9.0.5 and later: User Management – Authentication – Manager

² For version 6.8.3a and earlier: Advanced Settings – Proxy Settings – Authentication Manager

³ For version 9.0.5 and earlier: Click Add new bypass entry.

Permission error message on CyBlock Client installation

Category: Administration

The CyBlock Client installation requires the following prerequisites:

  1. .NET Framework 4.0 or later: dotNetFx40_Full_x86_x64  [actual install file name]
  2. Microsoft Visual C++ 2010 Redistributable:
    • 64-bit: vcredist_x64    [actual install file name]
    • 32-bit: vcredist_x86    [actual install file name]

Users will get permission error messages if these prerequisites are not installed first.

If the installation fails due to lack of proper prerequisites, do the following:

  • Close out failed installation.
  • Download and install prerequisites (noted above).
  • Reboot the workstation.
  • Install CyBlock Client.

Note:  Remember to configure CyBlock Client via the system tray procedure.

Downloading Windows 8 apps through CyBlock Proxy & CyBlock Appliance

Category: Administration

Windows 8 Store does not respond to authentication requests. This can cause errors with downloading applications through the proxy.

Authentication can be bypassed in the Authentication Manager.

  1. Navigate to User Management – Authentication and select the Bypass tab¹.
  2. Click the green button button².
  3. Create the following three separate entries (with asterisks):
URL or Domain User-Agent
*.apps.microsoft.com *
*ws.microsoft.com *
* MSappsHost/*

 

¹ For version 6.8.3a and earlier: Advanced Settings – Proxy Settings – Authentication Manager
² For version 6.8.3a and earlier: Click Add new bypass entry at the bottom of the Bypassed section of the screen.