how can i block filetransfer in yahoo&msn mess in network?

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pr@k@sh

Journeyman
My dear friends

in my network i want to block yahoo and msn messenger file
transfer block...!!!

if possible i want to block web conf. also.


Thans
 

iinfi

mekalodu
goto messenger >>> preferences >>> File Transfer >>>

and select "Never Accept Files frm Any one"
and also select "Never allow anyone to download files frm me"
and press "Apply"

and regarding web conf i m not pretty sure if this wud help ...

in the same categories goto "Chat" and check Ignore Chat Invitations ...
hope this helps ....
 
OP
P

pr@k@sh

Journeyman
iinfi said:
goto messenger >>> preferences >>> File Transfer >>>

and select "Never Accept Files frm Any one"
and also select "Never allow anyone to download files frm me"
and press "Apply"

and regarding web conf i m not pretty sure if this wud help ...

in the same categories goto "Chat" and check Ignore Chat Invitations ...
hope this helps ....

but in fire wall which port i block for this file transfer or wich

server i block.???
 
S

sunnydiv

Guest
haha yet another confusion thread. that guy has been saying all along he wants to do it in a network.

its something like he has a office and he dont want them to go in confs
 

icecoolz

Cyborg Agent
iinfi said:
do it in Yahoo messenger man ,....

dude...isn't it clear as to what he said ??? He says he wants to do it at the network level and not at each individual machine level. Sheesh. :roll:

It is possible to block file transfers in Yahoo. Just look at this documentation :

*documents.iss.net/whitepapers/IM_P2P_ProventiaM.pdf

It tells you which events to block at the firewall level or at the proxy level. Could you furbish more information as to which proxy/firewall are you using so that we can better guide you. Provide as much information as possible so that help can be given in a faster manner.
 
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pr@k@sh

Journeyman
Thanks

I am using Kerio WinRoute Firewall™.

Thanks

if u have any more information plese give me.

Thanks
 

Deep

Version 2.0
Mahesh Babu said:
press the cancel button

ok dude enough..if i see you replying with your unqiue useless answers then you will get a free warning...

Deep
 

Deep

Version 2.0
pr@k@sh said:
Thanks

I am using Kerio WinRoute Firewall™.

Thanks

if u have any more information plese give me.

Thanks

oh cool....

this is how you do it..

It wont block only conf and file transfer but it will block yahoo and msn messengers totally...

you can do this..

in http policy add these rules..

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

this is what I had done and to be on the safer side, block ports also...

to do this...

go to traffic policy and allow the ports you want and disallow rest..i have enabled port 80,21,22,53,137 and disabled rest :)

Let me know if you still face the problem...
Deep
 

FilledVoid

Who stole my Alpaca!
Hi there,
Check this thread out as well. It definitely has tonnes of information about the same topic.

*infosecuritymag.techtarget.com/articles/february01/cover.shtml

I recall getting this from Expert Exchange. The thread is here

*www.experts-exchange.com/Security/Q_20968914.html

You could also add Netmeeting to your list of programs to block.


Hope this helps.

@icecoolz : Nice info
 
OP
P

pr@k@sh

Journeyman
Deep said:
pr@k@sh said:
Thanks

I am using Kerio WinRoute Firewall™.

Thanks

if u have any more information plese give me.

Thanks

oh cool....

this is how you do it..

It wont block only conf and file transfer but it will block yahoo and msn messengers totally...

you can do this..

in http policy add these rules..

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

this is what I had done and to be on the safer side, block ports also...

to do this...

go to traffic policy and allow the ports you want and disallow rest..i have enabled port 80,21,22,53,137 and disabled rest :)

Let me know if you still face the problem...
Deep



Thanks

for this help..!!

but sir,

in my company i want to allow messenger but in text only ..!!

they do not transfer file and photos or webcam to missuse my bandwidth..!!

Thanks for this help but if u help me for this ...??
 

icecoolz

Cyborg Agent
I dont really know much about Kerio, however I did find this general article w.r.t the ports which yahoo uses as such:

*www.pcflank.com/fw_rules_for_app.htm?appid=137

my reccomendations would be monitor a few ports and block the rest and the narrow it down to the one you need to block for file transfers.

EDIT:

Also you might wanna check this link which is more of the ports which Yahoo uses. Block all than the others you want.

*www.dslreports.com/forum/remark,12871790?hilite=yahoo+messenger
 

geekysage

Journeyman
There is no sure shot way of blocking IMing in a network environment, be it text or audio/video conferencing. This issue is a big pain for every corporate network administrator. Unless they use some million dollar hardware solution that sniffs out every packet sent through the network, they are almost helpless. Any computer user worth his salt knows how to overcome port blocking.

Last month, there was an article on Network Computing about the same issue. Search on google, see if you can find it.

Good Luck.

PS: My suggestion as a network admin would be to not use any proxy server but to deploy an edited hosts file throughout the network that contains the list of IMing servers in the blacklist. A regular user on a network doesn't have access to the hosts file. Insider tip :wink:
 

aadipa

Padawan
pr@k@sh said:
Deep said:
pr@k@sh said:
Thanks

I am using Kerio WinRoute Firewallâ„¢.

Thanks

if u have any more information plese give me.

Thanks

oh cool....

this is how you do it..

It wont block only conf and file transfer but it will block yahoo and msn messengers totally...

you can do this..

in http policy add these rules..

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

this is what I had done and to be on the safer side, block ports also...

to do this...

go to traffic policy and allow the ports you want and disallow rest..i have enabled port 80,21,22,53,137 and disabled rest :)

Let me know if you still face the problem...
Deep



Thanks

for this help..!!

but sir,

in my company i want to allow messenger but in text only ..!!

they do not transfer file and photos or webcam to missuse my bandwidth..!!


Thanks for this help but if u help me for this ...??

Do as deep said and ask ppl in office to use *www.e-messenger.net
 
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