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Windows Thread, preventing an IP address being used in Internet Explorer in Technical; Unfortunately the teachers are not consistant- this can be use of mp3 players in lessons, mobile phones, IM or other ...
  1. #16
    gwendes's Avatar
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    Re: preventing an IP address being used in Internet Explorer

    Unfortunately the teachers are not consistant- this can be use of mp3 players in lessons, mobile phones, IM or other websites, email - I just want a simple, effective all out ban...

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    Re: preventing an IP address being used in Internet Explorer

    The LEA filters by keyword also ... you just need to get them to add 'meebo' into the list.

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    Re: preventing an IP address being used in Internet Explorer

    They don't type in 'meebo' - they all use IP addresses. We've blocked a lot but they keep finding more. Blocking the majority this morning seems to have ruffled a few feathers so I think they'll find something else soon... got too much else to do atm

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    Re: preventing an IP address being used in Internet Explorer

    By blocking the keyword you are blocking any web pages that contain that word and not just pages where that word appears in the URL.

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    Re: preventing an IP address being used in Internet Explorer

    Doesn't that make for a very difficult to use web experience? For example if I searched for information on blocking meebo? It is already filtered as 'webchat' through the LEA. What about sites that don't use the name in a text format - maybe the logo is an image?

    Meebo is the first of many I fear...

    For now my way is working and staff can still use the internet...

  6. #21

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    Re: preventing an IP address being used in Internet Explorer

    There are dozens of web messengers out there. Phonefox.com is one of them.

  7. #22
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    Re: preventing an IP address being used in Internet Explorer

    Perfect example. Phonefox.com is banned - classed as 'WebChat' by Websense. So is eBuddy. If you search for 'resolve ip' in google.com then select the first hit http://www.webyield.net/domainquery.html and do a reverse lookup on www.phonefox.com you get the IP 193.238.162.21

    This IP is not banned. What I have done is to block everything that begins with a number x.*.*.* so students on the network can no longer use IP addresses. Am I missing something really obvious? Do other people have this problem?

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    Re: preventing an IP address being used in Internet Explorer

    I have squid & dansguardian set up as a downstream proxy from my LEAs. With dansguardian i have just blocked the use of IP addresses.
    I just have it set up on an old dell GX280 512Mb RAM serving 200 - 300 clients happily.

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    Re: preventing an IP address being used in Internet Explorer

    Quote Originally Posted by marco84
    I have squid & dansguardian set up as a downstream proxy from my LEAs. With dansguardian i have just blocked the use of IP addresses.
    I just have it set up on an old dell GX280 512Mb RAM serving 200 - 300 clients happily.
    I think that installing Squid is the plan ultimately. This will need to be done with the other techs in the school though as I work in a training centre on the school site. My rack only has a DC, switch and uplink to the main server room. We seem to be running out of space for beige boxes running linux!

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    Re: preventing an IP address being used in Internet Explorer

    Quote Originally Posted by gwendes
    Perfect example. Phonefox.com is banned - classed as 'WebChat' by Websense. So is eBuddy. If you search for 'resolve ip' in google.com then select the first hit http://www.webyield.net/domainquery.html and do a reverse lookup on www.phonefox.com you get the IP 193.238.162.21

    This IP is not banned. What I have done is to block everything that begins with a number x.*.*.* so students on the network can no longer use IP addresses. Am I missing something really obvious? Do other people have this problem?
    Does anyone else wonder about services like this? I would not like to use such a service as it is putting my password into a non-official page - without any privacy policy etc...

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    Re: preventing an IP address being used in Internet Explorer

    Doesn't seem to trouble the kids too much!

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    Re: preventing an IP address being used in Internet Explorer

    Contextual filtering of pages looks at the actual words in the page ... and the hidden words too, whether they be metatags or ALT tags ...

    This is how the good software works (Dansguardian, etc).

    This means that should somone look at meebo via IP address is will be blocked due to the number of times 'meebo' appears.

    Also ... if the try to resolve the IP address ... as soon as they stick meebo in there it will block them too ...

    Yes, it means that when you try to search for meebo and how to block it you will be blocked too unless you have a different access level to the students, or you are searching on sites that do not apply the contextual / tect filters ... it might be an idea to get EduGeek.net put onto the whitelist so no filters are applied ... the same with technet and so on.

    If you have your own dansguardian box then it will also filter by keywords ... it is the same sort of technology.

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