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How to block websites and file extension for some users

 
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tester



Joined: 17 Nov 2004
Posts: 25
PostPosted: Mon Nov 22, 2004 11:04 pm    Post subject: How to block websites and file extension for some users Reply with quote
Squid : blocking websites

How to block few users and allow some for a particular website

First we will create a list then allow or deny at the end

Code:
# vi /etc/squid/squid.conf

[go to acl and add/modify according to ur need]

Code:


acl GoodIP src 192.168.0.1
acl GoodIP src 192.168.0.15

acl BlockedIP src 192.168.0.2
acl BlockedIP src 192.168.0.3


acl LimitedURL url_regex -i bbc.com
acl LimitedURL url_regex -i abc.com


acl GoodURL url_regex -i 123abc.com
acl GoodURL url_regex -i abc123.com


acl badURL url_regex -i xyz.com
acl badURL url_regex -i games
acl badURL url_regex -i chat


acl x-type req_mime_type -i ^application/octet-stream$
acl x-type req_mime_type -i application/octet-stream
acl x-type req_mime_type -i ^application/x-mplayer2$
acl x-type req_mime_type -i application/x-mplayer2
acl x-type req_mime_type -i ^application/x-oleobject$
acl x-type req_mime_type -i application/x-oleobject
acl x-type req_mime_type -i application/x-pncmd
acl x-type req_mime_type -i ^video/x-ms-asf$


acl x-type2 rep_mime_type -i ^application/octet-stream$
acl x-type2 rep_mime_type -i application/octet-stream
acl x-type2 rep_mime_type -i ^application/x-mplayer2$
acl x-type2 rep_mime_type -i application/x-mplayer2
acl x-type2 rep_mime_type -i ^application/x-oleobject$
acl x-type2 rep_mime_type -i application/x-oleobject
acl x-type2 rep_mime_type -i application/x-pncmd
acl x-type2 rep_mime_type -i ^video/x-ms-asf$




http_access  allow GoodIP all


http_access deny BlockedIP LimitedURL


http_access deny badURL


http_access deny x-type all
http_reply_access deny x-type all
http_access deny x-type1 all
http_reply_access deny x-type1 all
http_access deny x-type2 all
http_reply_access deny x-type2 all



acl extndeny url_regex -i "/etc/squid/extndeny"


acl download method GET


http_access deny extndeny download
http_access deny extndeny

save and close

Now lets create extndeny file ..this is the list of file extensions which we are blocking in SQUID. make a file and add these file extensions vi /etc/squid/extndeny --
Code:
\.ez$
\.hqx$
\.cpt$
\.dot$
\.wrd$
\.bin$
\.dms$
\.lha$
\.lzh$
\.ace$
\.r00$
\.r01$
\.exe$
\.wp5$
\.wk$
\.wz$
\.vcd$
\.bz2$
\.deb$
\.dvi$
\.tar$
\.gtar$
\.tgz$
\.gz$
\.bat$
\.rpm$
\.spm$
\.zip$
\.mid$
\.midi$
\.kar$
\.mpga$
\.mp2$
\.mp3$
\.ra$
\.dl$
\.fli$
\.gl$
\.mpe$
\.mpeg$
\.mpg$
\.qt$
\.mov$
\.avi$
\.movie$
\.wav$
\.au$
\.asf$
\.af$
\.bin$
\.gz$
\.bz2$
\.asx$
\.afx$
\.asf$
\.asx$
\.au$
\.avi$
\.divx$
\.m3u$
\.mov$
\.mp2$
\.mp3$
\.mpeg$
\.mpg$
\.qt$
\.ra$
\.ram$
\.rm$
\.viv$
\.vivo$
\.vob$
\.vqf$
\.wav$
\.wma$
\.wmv$
\.vbs$
\.shs$
\.pif$
\.wpm$
\.wvx$


Now restart squid
Code:
# service squid restart


Always look in log files for errors
Code:
/var/log/squid/access.log    # have list of website visited by all users
/var/log/squid/cache.log     # Log of squid deamon / process
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Linux-faqs.com
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PostPosted: Mon Nov 22, 2004 11:04 pm    Post subject: Support this site


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Peeyush Maurya



Joined: 17 Nov 2004
Posts: 92
Location: Noida
PostPosted: Wed Nov 24, 2004 7:33 pm    Post subject: Blocking Streaming Audio / Video using Squid Reply with quote
nice ACL tester

I found this Squid ACL for Blocking Streaming Audio / Video. This can be used with above ACL.

Code:
acl BlockExt url_regex -i \.mp3$ \.asx$ \.wma$ \.wmv$ \.avi$ \.mpeg$ \.mpg$ \.qt$ \.ram$ \.rm$ \.iso$ \.wav$ \.exe$

acl webRadioReq1 req_mime_type -i ^video/x-ms-asf$
acl webRadioReq2 req_mime_type -i ^application/vnd.ms.wms-hdr.asfv1$
acl webRadioReq3 req_mime_type -i ^application/x-mms-framed$
acl webRadioRep1 rep_mime_type -i ^video/x-ms-asf$
acl webRadioRep2 rep_mime_type -i ^application/vnd.ms.wms-hdr.asfv1$
acl webRadioRep3 rep_mime_type -i ^application/x-mms-framed$

acl WMP browser Windows-Media-Player/*

http_access deny BlockExt !UtentiGold
http_access deny WMP all
http_access deny webRadioReq1 all
http_access deny webRadioReq2 all
http_access deny webRadioReq3 all

http_reply_access deny webRadioRep1 all
http_reply_access deny webRadioRep2 all
http_reply_access deny webRadioRep3 all


this ACL of squid for blocking online streaming of Audio / Video works prefectly
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lilo
Site Admin


Joined: 17 Nov 2004
Posts: 54
Location: NYC
PostPosted: Fri Dec 10, 2004 1:37 am    Post subject: thanks Reply with quote
:) it worked .. i was looking for it since a long time...now since i got it, i can relax and let users browse and eat there heart out :)

I had blocked many keywords likes : ads , mp3 , video , gambling, hacking, linux, [sensored] and many dating sites. Now i know blocking URL is fun

Iam a happy man now:)

thanks alot
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hariiyer



Joined: 28 Dec 2004
Posts: 4
PostPosted: Mon Feb 21, 2005 8:48 am    Post subject: Reply with quote
Dear all


this is not working in RH-9. Please help me how to?
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Peeyush Maurya



Joined: 17 Nov 2004
Posts: 92
Location: Noida
PostPosted: Thu Feb 24, 2005 8:12 pm    Post subject: squid blocking file extensions Reply with quote
Are you getting any error or its simply not working?

try the following for blocking few file extension on squid.conf

Code:
acl BlockExt url_regex -i \.mp3$ \.asx$ \.wma$ \.wmv$ \.avi$ \.mpeg$ \.mpg$ \.qt$ \.ram$ \.rm$ \.iso$ \.wav$ \.exe$

http_access deny BlockExt all


'-i' is for making it to read both cases.
SQUID ACL FAQS
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gem45



Joined: 17 Sep 2009
Posts: 1
PostPosted: Thu Sep 17, 2009 8:13 am    Post subject: Reply with quote
I'm a happy man right now.... No more ads and pop ups.

Thanks guys.....Smile


Dossier de surendettement
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ialongiya



Joined: 28 Nov 2009
Posts: 1
PostPosted: Mon Nov 30, 2009 5:45 am    Post subject: Reply with quote
Can linux run windows games and have a start bar to look like windows? I would like to be able to use the start bar and fallout 3 in linux. can i do that?
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ksg1986



Joined: 30 Mar 2010
Posts: 3
Location: New Delhi
PostPosted: Tue Mar 30, 2010 5:48 am    Post subject: How to block websites Reply with quote
A Small application which can easly block n unblock websites easly !

Just goto http://csharpdemos.blogspot.com/2010/03/websites-blocker-unblocker.html

n you will find your solution..........
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soleadd13



Joined: 06 May 2010
Posts: 3
Location: ENGLAND
PostPosted: Wed May 19, 2010 8:34 am    Post subject: The reason that people play golf Reply with quote
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