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  1. #1
    Broken In
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    Default how can block Yahoo messenger and Msn Messenger ..??

    Hi My dear Friends

    In company Internet sharing is by NAT routing in Win2k Advance Server

    now i want to block only Yahoo messenger and Msn messger how do i filere for block this two messenger..@!

    Help...!!

    Which setting i do on server side to block messenger..!!

    Help..??
    Have A Nice Day....!!

  2. #2
    Wise Old Owl enoonmai's Avatar
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    To block access to MSN Messenger you need to block outbound access to 1863/tcp and set a Deny URL rule towards messenger.hotmail.com over HTTP.

    Yahoo Messenger is a really nasty piece of software in that it first tries port 5050, and if its not able to connect, it starts using their YMSG protocol and tunnels through every godforsaken port imaginable, even via finger, smtp and worse, through port 80, which you obviously cant deny. Infuriating little piece of cr@p. You can try blocking the ports and setting Deny URLs msg.edit.yahoo.com/* and http.pager.yahoo.com/* but no guarantees. You can try third party blockers to block access to Yahoo or use the software restriction policy on Yahoo Messenger.
    Face it, kid! Provoking a reaction isn't the same thing as saying something significant - Calvin
    A64 3000+@2.4G/Asus A8V-DLX/1G DDR400/BBA X800 XT PE/320G HGST SATA2
    Playing FEAR XP/LSW2

  3. #3
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    Default

    dats a good piece of info from enoonmai.. esp on y! msgr

  4. #4
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    i think with winxp sp2 or some firewall you can configure the computers not to let Y msgr not to use internet.

  5. #5
    Alpha Geek godsownman's Avatar
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    Quote Originally Posted by SmoothCriminal
    dats a good piece of info from enoonmai.. esp on y! msgr
    You poped my eyes with that piece of information
    Amazing.

  6. #6
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    Thanks but is there any solution for block Messenger ..??
    Have A Nice Day....!!

  7. #7
    Wise Old Owl enoonmai's Avatar
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    Like I said, if you want to to block MSN, use the steps I put up earlier. If you want to block Yahoo, get this third party program called TerminatorX from here:

    http://www.plevna.f9.co.uk/
    Face it, kid! Provoking a reaction isn't the same thing as saying something significant - Calvin
    A64 3000+@2.4G/Asus A8V-DLX/1G DDR400/BBA X800 XT PE/320G HGST SATA2
    Playing FEAR XP/LSW2

  8. #8
    Version 2.0 Deep's Avatar
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    Quote Originally Posted by pr@k@sh
    Thanks but is there any solution for block Messenger ..??
    yup there is a way sir

    this is what i have done in our company...

    we use Kerio Winroute Firewall...

    First I blocked all the ports accepts 80,21,22,53 so no one can access anything using other ports...

    and in the HTTP Policy i have blocked these URLs..

    MSN Messenger : *messenger.hotmail.com/*
    Yahoo Messenger : *messenger.yahoo.com/*
    Yahoo Messenger URL2 : *msg.yahoo.com/*
    Block MSN Web Messenger : *webmessenger.msn.com/*

    Things work fine and one thing...keep an eye on the logs...so if anyone trying to act smart then you can catch him

    cheers
    Deep
    - Deep Ganatra -
    www.whoisdeep.com
    www.twitter.com/DeepXP/

  9. #9
    Wise Old Owl enoonmai's Avatar
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    Well, thats what I told him in my earlier post to set a Deny URL and gave him the list (didnt tell him to block the web messenger service though) but he still said he wanted a solution. I assumed that the Deny URL solution didn't work.
    Face it, kid! Provoking a reaction isn't the same thing as saying something significant - Calvin
    A64 3000+@2.4G/Asus A8V-DLX/1G DDR400/BBA X800 XT PE/320G HGST SATA2
    Playing FEAR XP/LSW2

  10. #10
    Version 2.0 Deep's Avatar
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    yup but the same thing worked for me so it should work for him too i suppose...

    all you need is..set these rules on the top of all the rules so firewall check for these urls first and block it...

    Deep
    - Deep Ganatra -
    www.whoisdeep.com
    www.twitter.com/DeepXP/

  11. #11
    Wise Old Owl enoonmai's Avatar
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    It works for me here, but maybe he just skipped the earlier post. I hate YMSGR's tricks. It looks like they're going all out to make sure no one can block it.
    Face it, kid! Provoking a reaction isn't the same thing as saying something significant - Calvin
    A64 3000+@2.4G/Asus A8V-DLX/1G DDR400/BBA X800 XT PE/320G HGST SATA2
    Playing FEAR XP/LSW2

  12. #12
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    Quote Originally Posted by Deep
    Quote Originally Posted by pr@k@sh
    Thanks but is there any solution for block Messenger ..??
    yup there is a way sir

    this is what i have done in our company...

    we use Kerio Winroute Firewall...

    First I blocked all the ports accepts 80,21,22,53 so no one can access anything using other ports...

    and in the HTTP Policy i have blocked these URLs..

    MSN Messenger : *messenger.hotmail.com/*
    Yahoo Messenger : *messenger.yahoo.com/*
    Yahoo Messenger URL2 : *msg.yahoo.com/*
    Block MSN Web Messenger : *webmessenger.msn.com/*

    Things work fine and one thing...keep an eye on the logs...so if anyone trying to act smart then you can catch him

    cheers
    Deep
    Thanks Dear
    Have A Nice Day....!!

  13. #13
    Ignorance is BLISS !!
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    I'm enlightened !
    I'm saving the page since I can try and block the students at my school from using them !

    THANKS ppl ! U R of immense help !

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