Showing articles from: Index »  CensorNet Professional 

Internet Explorer 10 proxy settings via group policy
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With the release of Internet Explorer 10, Microsoft have made changes to the way proxy settings are configured using group policy objects.


Created on October 24, 2013 by Administrator

Configure LDAP authentication with Active Directory for prompted sign in
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It is possible to configure CensorNet Professional to use LDAP authentication with Active Directory rather than kerberos. Some customers have reported an increase in performance when using this mode. This article explains how to configure it.


Created on September 09, 2013 by Administrator

Windows 8 app store and CensorNet Professional
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This article explains what exceptions may need to be added to CensorNet Professional to support the Windows 8 Professional app store.


Created on July 16, 2013 by Administrator

How does the URL reputation service work
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This article explains how URL's are classified and a reputation is assigned to them based on their content.


Created on July 16, 2013 by Administrator

Features of the cloud or local URL database
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This article explains the key features of the cloud or local URL database that is at the core of the CensorNet web security products.


Created on July 16, 2013 by Administrator

EDI Tests Download reports Offline
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EDI Test Software reports problems with internet connection and 417 errors in detailed output. This causes Tests not to download and the News section not to update inside the EDI application


Created on February 07, 2013 by Customer Services

Filtering proxy fails at Initialising Distributed Intellegence Architecture
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If the Filtering Proxy service fails with the error "Initialising Distributed Intellegence Architecture" then it could indicate a problem with connectivity or the URL database. This article explains how to fix it.


Created on February 04, 2013 by Customer Services

Google Safe Search does not appear to work
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You have enabled Google SafeSearch in your policy but the user is still able to browse without safe search being enforced.


Created on October 13, 2012 by Administrator

Upgrading fails due to squid errors
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Whilst trying to upgrade to the latest version of CensorNet Professional, an error is displayed regrading updates or a "squid configuration" screen is displayed.


Created on August 28, 2012 by Customer Services

How to configure Windows Update to use a proxy server
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Windows Update can use an HTTP proxy server. However, configuring Windows Internet Explorer is not sufficient to configure Windows Update because Windows Update uses Windows HTTP Services (WinHTTP) to scan for updates.


Created on July 24, 2012 by Administrator

Allow iPlayer through the CensorNet Professional proxy
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Blocking iPlayer is relatively straightforward but if you want to allow it there are some key IP ranges that must be added to the Filter Bypass module.


Created on July 18, 2012 by Administrator

Allow Spotify through the proxy
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Spotify can fail during the login phase depending on the policy configuration that is active for the user trying to access the Spotify service. This article explains what you should do to allow Spotify.


Created on June 25, 2012 by Administrator

Allow Prezi through the proxy
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Prezi uses special applets to upload documents and this may require bypass rules to be added so that it works through the proxy. This article explains which patterns you need to add.


Created on June 20, 2012 by Administrator

Kaspersky Anti-virus prompts to authenticate when updating
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You are trying to update Kaspersky Anti-Virus through the CensorNet Professional proxy but it prompts for authentication.


Created on May 16, 2012 by Administrator

Problem with SIMS from Capita CS and CensorNet Professional
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When trying to use SIMS software through the CensorNet Professional proxy, you encounter a "417 Expectation Failed" error.


Created on May 16, 2012 by Customer Services

Backup file size is a negative value
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After creating a new back up file, the size displayed is a negative number (e.g. -1,891,849,812). This article describes why.


Created on April 10, 2012 by Administrator

Windows Activation prompts for authentication when using the proxy
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When you have Transparent Kerberos (or similar) authentication method in use and you try and activate Microsoft Windows, you are prompted to authenticate. This article explains how to remove the requirement to authenticate.


Created on April 10, 2012 by Administrator

Usernames appear as (unknown) in reports
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When looking at reports such as "Who's Browsing" the username field appears as "(unknown)". This article explains some of the reasons that may cause this behaviour.


Created on March 30, 2012 by Administrator

Options for managing tablet or smart phone devices with CensorNet Professional
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This article discusses the options available to you for managing tablets (such as iPad's) and smart phones (such as Android, iOS) with CensorNet Professional


Created on March 13, 2012 by Customer Services

YouTube app on iPad displays error NSURLErrorDomain 1013 when using proxy
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If you have user authentication (Transparent Kerberos, Kerberos or NTLM) configured and the iPad is using the proxy, when you open the YouTube app you get an error: NSURLErrorDomain 1013.


Created on March 13, 2012 by Customer Services

Microsoft Lync
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Getting Microsoft Lync to work through censornet


Created on March 09, 2012 by Customer Services

Configuring WPAD for use with CensorNet Professional
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The following guide explains how to configure CensorNet Professional for use with WPAD (Web Proxy Auto Discovery) protocol.


Created on March 02, 2012 by Administrator

Scheduled does not save entries past Wednesday 11am
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After upgrading CensorNet Professional, the Policy Schedule editor does not save any entries past Wednesday 11am


Created on February 21, 2012 by Administrator

Access control configuration prevents your request from being allowed at this time
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You receive the error "Access control configuration prevents your request from being allowed at this time" and a web site is blocked even though you may have an OPEN policy assigned to your username/PC


Created on January 23, 2012 by Customer Services

Windows Live domains
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If you use Windows Live for e-mail and you have Web based e-mail and Social Network categories blocked, you may need to create a new Custom URL category containing the Windows Live addresses. This article explains how.


Created on November 22, 2011 by Customer Services

How to block YouTube but allow embedded videos
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This article explains how you can block the main YouTube.com web site on our web filtering software, but still allow embedded YouTube videos to play.


Created on November 03, 2011 by Customer Services

Windows Server 2003 does not issue PTR records for Windows 7 computers
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If you are using CensorNet Professional with Computer Identification set to "Hostname" and you receive the error "Could not resolve the hostname of the peer" on Windows 7 computers, it may be due to a problem with Windows Server 2003.


Created on October 28, 2011 by Customer Services

How to determine the Domain Functional Level of your Windows Server
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This article contains the steps you need to follow to determine the Domain Functional Level of your Windows Server. This information is needed to configure single sign on authentication in CensorNet Professional web filtering software.


Created on September 27, 2011 by Customer Services

Turn off the on-disk caching to improve performance
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This article explains how to disable the on-disk web cache (squid) to increase performance of the CensorNet Professional proxy web filtering software.


Created on September 12, 2011 by Customer Services

Troubleshooting Web Proxy Auto Discovery
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Web Proxy Auto Detection can sometimes be difficult to debug. The suggestions in this article can help you find out where the problem is.


Created on September 06, 2011 by Customer Services

Transparent Kerberos issues on Windows 7 machines
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XP clients can auth fine against the domain, but Windows Vista/7 clients can not. 


Created on August 19, 2011 by Customer Services

Configuring inline mode
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This artile discusses how to configure your CensorNet Professional server for inline (transparent interception) mode after installation.


Created on August 18, 2011 by Administrator

How to completely bypass an IP or subnet in inline mode
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This article explains how to use the underlying firewall on your CensorNet server to completely bypass an IP or subnet when in inline mode. This is particularly useful for bypassing sites that are local and do not require filtering or for servers that are using a non-standard HTTP protocol which can confuse CensorNet web filtering software.


Created on August 18, 2011 by Administrator

Upgrading CensorNet Professional
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Please follow these instructions for upgrading your version of CensorNet Professional web filtering software.


Created on August 11, 2011 by Customer Services

Upgrading from CensorNet Professional 1.8
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Please follow these instructions only if you are upgrading from version 1.8.x.


Created on August 11, 2011 by Customer Services

Problems with user authentication on Apple Mac
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Symptom: You cannot log in when using a browser on an Apple Mac such as Safari


Created on August 10, 2011 by Customer Services

Re-building a corrupt CensorNet Professional database
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If the CensorNet Professional database becomes corrupt, usually as a result of an unclean shutdown (power failure, etc), then the "postgres" process will consume up to 100% CPU and browsing will fail. This article explains how to rebuild the database.


Created on August 03, 2011 by Customer Services

Diagnosing connections to the CensorNet Professional proxy (slowness)
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Sometimes it is useful to understand how many connections are active to the CensorNet server from unique source IP addresses. This can help you to diagnose performance issues or highlight a DoS attack from a computer on the network. The following commands can help.


Created on August 03, 2011 by Customer Services

How to bypass a web site URL with Cloud Link
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This article describes how to bypass a web site address (URL) so it is not intercepted by Cloud Link


Created on August 02, 2011 by Administrator

How to configure Cloud Link for fail open mode
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This article describes how to configure Cloud Link for fail open, so that Web access will be open and unfiltered should the remote server connection be lost.


Created on August 02, 2011 by Administrator

Using the CNLoginAgent executable to identify users
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CNLoginAgent is a small executable that can be run from a Windows login script when the user logs in. CNLoginAgent will send the domain username and computer information to CensorNet to identify the web requests being made from that computer.


Created on August 01, 2011 by Customer Services

Installing the Active Directory User Identification Agent
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This article explains how to install the Active Directory User Identification Agent for CensorNet Professional.


Created on August 01, 2011 by Customer Services

Installing the Active Directory Synchronisation service
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This article explains how to install the Active Directory Synchronisation service for CensorNet Professional.


Created on August 01, 2011 by Customer Services

Installing the Cloud Link client for proxy mode with CensorNet Professional
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Formerly known as Remote Worker, the Cloud Link client can be used with CensorNet Professional to extend the filtering beyond the corporate network and on to mobile devices such as laptops and netbooks. This article discusses how to download and install Cloud Link for use with CensorNet Professional.


Created on August 01, 2011 by Customer Services

Problem with WPAD, Windows 2003 DHCP and Mac OSX clients
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This article explains how to get WPAD DHCP option to work with Mac OSX clients, if you have a Windows 2003 domain (may apply to other versions of Windows too).


Created on July 29, 2011 by Customer Services

Transport Endpoint Not Connected
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You receive the error: Error connecting to the Upstream Proxy server at 127.0.0.1:3128 - Transport endpoint is not connected


Created on July 19, 2011 by Customer Services

Your request could not be processed at this time, this is probably due to network congestion
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You get the error "Your request could not be processed at this time, this is probably due to network congestion so please try again later."


Created on July 19, 2011 by Customer Services

Wrong Policy
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This article describes what to check and how to fix things if you believe a user is being assigned the wrong policy


Created on July 19, 2011 by Customer Services

Computer Import
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This item discusses the import of computers into CensorNet.


Created on July 19, 2011 by Customer Services

Computer Identification
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This item discusses the various modes of Computer Identification and which you should choose.


Created on July 19, 2011 by Customer Services

Windows Update
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This article describes what to do if you are having trouble obtaining Windows Updates after installing the CensorNet on your network.


Created on July 19, 2011 by Customer Services

Windows update fails in Inline mode with Microsoft error 80072f8
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Windows update fails in Inline mode with Microsoft error 80072f8


Created on July 19, 2011 by Customer Services

Windows Server 2008r2 compatibility
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User authentication issues after upgrading to Windows 2008r2 (release candidate 2)


Created on July 19, 2011 by Customer Services

Windows 7 WPAD problem
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Windows 7 WPAD problem


Created on July 19, 2011 by Customer Services

Windows 7 NTLM issue
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Users get prompted to enter a username password when using Windows 7 and Transparent NTLM authentication is configured.


Created on July 19, 2011 by Customer Services

Why does CensorNet use Ubuntu Linux 10 04 and not a later version?
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Why does CensorNet use Ubuntu Linux 10.04 and not a later version?


Created on July 19, 2011 by Customer Services

What is the difference between “allow” and “ignore”
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What is the difference between "allow" and "ignore" options in CensorNet filtering policies?


Created on July 19, 2011 by Customer Services

Web pages do not load correctly - missing images, colours and styles
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A web page does not load correctly when using CensorNet as a proxy even if it has been added to a Custom URL allowed category.


Created on July 19, 2011 by Customer Services

Transparent Kerberos Issues
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You cannot get Transparent Keberos to work, or you have configured Transparent Kerberos successfully but users are still prompted to login and this always fails


Created on July 19, 2011 by Customer Services

Allow access to instant messaging software and webmail sites
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Allow access to instant messaging software and webmail sites (such as MSN Live Messenger, Yahoo Messenger, Hotmail, Yahoo).


Created on July 19, 2011 by Customer Services

WPAD issues
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You have configured your DNS server to give out an A record for wpad but it is not working. This may be the reason.


Created on July 19, 2011 by Customer Services

Virtual appliance won’t boot in ESX 3
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There is a known issue with VMware ESX 3.0.x and the current censornet virtual appliance. The system appears to get to the "Loading kernel" stage then it hangs.

 


Created on July 19, 2011 by Customer Services

Using Transparent Kerberos and some, but not all, users are prompted to login
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Using Transparent Kerberos and some, but not all, users are prompted to login


Created on July 19, 2011 by Customer Services

Stealth mode
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You would like to install CensorNet on your network and use it to monitor user activity without blocking any web pages. Open mode is not useful because you cannot report on the types of sites visited.


Created on July 19, 2011 by Customer Services

Disable the unblock request button
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This article describes how you can disable, or at least reduce, the use of the Unblock Request button that is commonly available on block alerts.


Created on July 19, 2011 by Customer Services

Custom URL Wildcards
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This article explains the use of wild cards in URLs entered into the Custom URL filter.


Created on July 19, 2011 by Customer Services

URl Patterns Explained
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CensorNet URL patterns explained


Created on July 19, 2011 by Customer Services

Multiple URL Categories
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This article discusses why URLs are often classified under more than one category.


Created on July 19, 2011 by Customer Services

Misclassified URL
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This article explains what to do if you believe a URL in the Content Classifier module is mis-classified.


Created on July 19, 2011 by Customer Services

Time Zone
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This article describes how to set the time zone.


Created on July 19, 2011 by Customer Services

The authenticity of the secure web site could not be verified
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The authenticity of the secure web site: XXXXXXXXXXXXXXXXXXXXXX could not be verified, the reason is: XXXXXXXXXXXXXXXXXXXXXXX appears in the web browser.


Created on July 19, 2011 by Customer Services

CensorNet ADSync service starts, but is unable to connect.
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CensorNet ADSync service starts, but is unable to connect.


Created on July 19, 2011 by Customer Services

You get the error “squid Unable to determine IP address from host name
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You get the error "squid Unable to determine IP address from host name for XXXXXX" in your web browser when trying to access a site


Created on July 19, 2011 by Customer Services

Sites time out, even if they are in the filter bypass
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Sites time out, even if they are in the filter bypass


Created on July 19, 2011 by Customer Services

Restricted Policy Content Classifier
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This article discusses why Restricted Policies have the Custom Classifier module available to them.


Created on July 19, 2011 by Customer Services

Resource Temporarily Unavailable
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All users receive the error: "Your request could not be processed at this time, this is probably due to network congestion so please try again later. If this problem persists contact you network administrator - Resource temporarily unavailable"


Created on July 19, 2011 by Customer Services

Resizing a partition in ESX server
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Resizing a partition in ESX server


Created on July 19, 2011 by Customer Services

Lost Root Password
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If you have lost your root password this document will assist you in regaining access.


Created on July 19, 2011 by Customer Services

Increase available RAM for reports
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This article explains how you can increase the amount of memory available to reports.


Created on July 19, 2011 by Customer Services

Replication Unable to unsubscribe slave node (password failed)
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You are attempting to unsubscribe a slave node from the master and you get the error "FATAL: password authentication failed for user 'postgres'"


Created on July 19, 2011 by Customer Services

Repeated License Failure
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This article explains the probable reasons, and the means of solving the problem of repeated license failures.


Created on July 19, 2011 by Customer Services

Date Set
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How to set the Date/Time from the command line


Created on July 19, 2011 by Customer Services

Remove a dead node from the replication cluster
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You have a replication cluster where one or more nodes are no longer active and need to be removed from the cluster


Created on July 19, 2011 by Customer Services

Redirect all web requests through squid because of CensorNet failure
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You need to redirect all users through squid because there is a problem with the CensorNet proxy (fail open)


Created on July 19, 2011 by Customer Services

Reboot Warning
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Reboot warning


Created on July 19, 2011 by Customer Services

Quotas Explained
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The quota features of CensorNet Professional explained


Created on July 19, 2011 by Customer Services

Problem with Dyo Prinable Postage and CensorNet
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You use Dymo Printable Postage but when configured to use CensorNet it displays errors


Created on July 18, 2011 by Customer Services

Problems with Logmein and Inline Mode
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Problems with Logmein and Inline Mode


Created on July 18, 2011 by Customer Services

Problem with streaming media sites such as YouTube
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A common problem occurs with sites such as YouTube with streaming video. This is normally caused by a few factors, for example not having the correct MIME types set to "Allow" or the fact that YouTube streams the videos from a block of static IP addresses which will be blocked by default within Censornet.


Created on July 18, 2011 by Customer Services

Problems with Windows Live messenger when in inline mode.
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CensorNet is configured using INLINE mode but MSN Messenger fails to authenticate and login.


Created on July 18, 2011 by Customer Services

How are the policies parsed?
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This article describes how a policy decides whether to allow or deny a URL.


Created on July 18, 2011 by Customer Services

Policy Modification
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You may have just modified your policy and wondered why the change does not appear to be working. This article explains the likely cause.


Created on July 18, 2011 by Customer Services

Policy Guidelines
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This item gives our guide lines on policy configuration.


Created on July 18, 2011 by Customer Services

Policy Assignment
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This article describes how to set the default policy and assignment of other policies to groups of users or workstations.


Created on July 18, 2011 by Customer Services

Packet Capture explained finding those hard to spot URLs
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Packet Capture explained - finding those hard to spot URLs


Created on July 18, 2011 by Customer Services

Non-domain user is prompted to login but cannot authenticate
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A non-domain user is prompted to login when using the proxy, but the credentials fail


Created on July 18, 2011 by Customer Services

No Cache Option
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The CensorNet runs the Squid caching server as part of its services. This means that it tends to cache sites so that it can serve a frequently visited site more quickly. On ocassion, you may wish to cause the CensorNet to not cache a particular page or site. This article explains how.


Created on July 18, 2011 by Customer Services

New Mime Type
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You may have encountered a file with a MIME type that is not currently contained within CensorNet's database. So you went to Filters->MIME Type Filter and added a new type. However, users are still downloading files of this type.


Created on July 18, 2011 by Customer Services

New File Type
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You may have encountered a file with an extension that is not currently contained within CensorNet's database. So you went to Filters->Filetype Filter and added a new extension. But users are still downloading files with the extension.


Created on July 18, 2011 by Customer Services

Neighbor Table Overflow
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This article explains what a Neighbor Table Overflow is and how to resolve the issue.


Created on July 18, 2011 by Customer Services

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