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WFilter -- monitor, filter and block internet activities of network client devices.
 
# Tuesday, July 19, 2016
IP conflict in local network can be annoying. When ip conflicts happens, it will cause connection issues. And it’s rather difficult for an IT administrator to locate the conflicted devices.

With WFilter, life is easier.

First, you can block the conflicted devices with a message. As shown in below figure, you can send a message "Your ip address conflicts with our server, please correct it ASAP". This message will show up when browsing http sites. So the client can fix this issue by himself.

ipconflict_en


Second, you can run the "Network Health Checker" extension, which can test ip conflicts in your network. The screenshots:

ipconflict_en2 ipconflict_en3

Conflicted devices will be detected, with its mac address and manufacturer.

In this example, now you may talk to the person with "HuaWei" mobile to correct the conflict issue.

Extension home page: "Network Health Checker"

Wiki page: Check network health of availability, IP conflict, ARP spoof and broadcast storm




Tuesday, July 19, 2016 9:23:24 AM (GMT Daylight Time, UTC+01:00)    Network management  |   | 
IP conflict in local network can be annoying. When ip conflicts happens, it will cause connection issues. And it’s rather difficult for an IT administrator to locate the conflicted devices.

With WFilter, life is easier.

First, you can block the conflicted devices with a message. As shown in below figure, you can send a message "Your ip address conflicts with our server, please correct it ASAP". This message will show up when browsing http sites. So the client can fix this issue by himself.

ipconflict_en


Second, you can run the "Network Health Checker" extension, which can test ip conflicts in your network. The screenshots:

ipconflict_en2 ipconflict_en3

Conflicted devices will be detected, with its mac address and manufacturer.

In this example, now you may talk to the person with "HuaWei" mobile to correct the conflict issue.

Extension home page: "Network Health Checker"

Wiki page: Check network health of availability, IP conflict, ARP spoof and broadcast storm




Tuesday, July 19, 2016 9:23:21 AM (GMT Daylight Time, UTC+01:00)    Network management  |   | 
# Monday, June 27, 2016

A new extension of WFilter, multiping, is recently released.

This extension can ping multiple hosts at a time, with a graph statistics. With this extension, you can monitor the network performance of your servers, even for a whole day.

Settings and screenshots of WFilter multiping extension

Define hosts to be monitored.

Diagram of history ping performance.



This extension can be installed in "WFilter Enterprise", "WFilter Free" and "WFilterROS".

Homepage: WFilter multiping extension

Document: Graph ping performance of multiple hosts


Monday, June 27, 2016 10:47:58 AM (GMT Daylight Time, UTC+01:00)    Internet Monitoring  |   | 
# Thursday, May 26, 2016
Internet Download Manager (IDM) is a Multi-threaded application that breaks a file into many small parts and starts to simultaneously download all of these parts. It can consume a lot of your bandwidth when downloading multiple large files.

With WFilter, you can block IDM downloading completely.

The settings are very simple. You only need to edit your blocking policy, and set "IDM" to "Deny" in "Applications".



In "Connections", you will see IDM connections are "terminating".


IDM will report failure in a few seconds.




A protocol description of IDM can be found at: How to block IDM, IDM port and protocol description. Please note that downloading from https with IDM can also be blocked.



Thursday, May 26, 2016 8:44:08 AM (GMT Daylight Time, UTC+01:00)     |   | 
Since chrome implemented QUIZ to server web requests, it has been a dark period for IT administrators because normal web filter won't work to filter google/youtube sites. You may check more details at Why is Google’s QUIC Leaving Network Operators in the Dark?   A protocol description of QUIZ can be found at: https://www.chromium.org/quic

Our team has worked out solutions to block QUIZ, so you can get web filter back to working.

For WFilter Enterprise and WFilter Free, you simply need to block UDP port 443 in your router/firewall. Steps to block udp ports can be found at here: http://www.wfiltertutorial.com/Block_udp

For WFilterROS, please check this post: Do not forget to block QUIZ to block youtube and other google sites.


Thursday, May 26, 2016 8:27:19 AM (GMT Daylight Time, UTC+01:00)    How to block websites  |   | 
# Monday, March 14, 2016

Now days, people can not image life without facebook, however, streaming videos in facebook can consume a lot of your bandwidth. Sometimes, you may want to block facebook videos without blocking the entire facebook websites.

WFilter can divide facebook video traffic from other traffic. We defined a new protocol named facebook videos.

This facebook videos protocol can block tls sites fbcdn-creative-a.akamaihd.net, video.xx.fbcdn.net which are hosting facebook streaming.

Steps to setup the blocking policy

1. Edit your blocking policy and click "edit" in "Applications".

2. Search facebook and set to "status" to "deny".

Done.
Monday, March 14, 2016 9:53:27 AM (GMT Standard Time, UTC+00:00)    How to block internet | Block Streaming  |   | 
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