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<p><FONT class=normalfont><B><font color=blue>Squid的一些简单过滤功能</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br>利用 squid 的 acl ..
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<br>
acl sexurl url_regex readme.exe readme.eml readme.com
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<br>
如此設定, 即可過濾病毒囉...
<br>
<br>
<br>
<br>
<br>
另外, 也提供以前我 post 的文章 squid acl 過濾方法
<br>
<br>
#阻絕色情網站 
<br>
# sexip 乃控管色情 ip 
<br>
# sexdn 乃控管色情 domain name 
<br>
# sexurl 乃控管特殊網址 
<br>
# sextag 乃控管特殊不當字眼 
<br>
acl sexip src "/usr/local/squid/etc/sexip" 
<br>
acl sexdn dstdomain "/usr/local/squid/etc/sexdn" 
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acl sexurl url_regex "/usr/local/squid/etc/sexurl" 
<br>
acl sextag urlpath_regex "/usr/local/squid/etc/sextag" 
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# 
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http_access deny sexdn 
<br>
http_access deny sexip 
<br>
http_access deny sexurl 
<br>
http_access deny sextag 
<br>
<br>
上述共有兩部份, ... 
<br>
sexip 記錄不法之ip 140.111.10.7 
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sexdn記錄不法之網域 sex.abcd.com.tw 
<br>
sexurl記錄不法之網址 www.hinet.net/sexuser/ 
<br>
sextag記錄不法之字眼 情色 
<br>
<br>
--------------------------------------------------------------------------------
<br>
<br>
YoHoo資訊小棧 莊芳昇 2001/11/2[補充]
<br>
===========================================
<br>
<br>
Q:如何在網頁中去除像nimda之類的病毒?
<br>
<br>
A:最近大家都被nimda病毒所困擾, nimda也會感染網頁.從95至NT無不遭受攻擊.
<br>
<br>
所以提供大家一個利用 proxy 過濾病毒網頁的方法, 相信每個學校或機構都架設有 Proxy 伺服器 !
<br>
<br>
我們就是要利用 Squid 的 ACL (Access Control List) 來控管網頁病毒.
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<br>
1.在 squid.conf 中加入下列三行
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<br>
#防禦網頁病毒
<br>
acl virus url_regex "/usr/local/squid/etc/virus"
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http_access deny virus
<br>
<br>
2.在 /usr/local/squid/etc 目錄中, 建立 virus 檔案.
<br>
3./usr/local/squid/etc/virus 的內容如下, 您也可以新增.
<br>
readme.eml
<br>
readme.com
<br>
readme.wav
<br>
sample.exe
<br>
BINLADEN_BRASIL.EXE
<br>
STOPTERRORISTS.EXE
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antraxinfo.vbs
<br>
Anti_TeRRoRisM.exe
<br>
WTC.exe
<br>
4.重新啟動 Squid
<br>
/usr/local/squid/bin/squid -k reconfigure
<br>
<br>
如此設定, 即可過濾病毒囉...
<br>
<br>
另外, 也提供以前我 post 的文章 squid acl 過濾方法. 希望對大家在網路管理上有幫助.
<br>
<br>
#阻絕色情網站
<br>
# sexip 乃控管色情 ip
<br>
# sexdn 乃控管色情 domain name
<br>
# sexurl 乃控管特殊網址
<br>
# sextag 乃控管特殊不當字眼
<br>
acl sexip src "/usr/local/squid/etc/sexip"
<br>
acl sexdn dstdomain "/usr/local/squid/etc/sexdn"
<br>
acl sexurl url_regex "/usr/local/squid/etc/sexurl"
<br>
acl sextag urlpath_regex "/usr/local/squid/etc/sextag"
<br>
#
<br>
http_access deny sexdn
<br>
http_access deny sexip
<br>
http_access deny sexurl
<br>
http_access deny sextag
<br>
<br>
上述共有兩部份, ...
<br>
sexip 記錄不法之ip 140.111.10.7
<br>
sexdn記錄不法之網域 sex.abcd.com.tw
<br>
sexurl記錄不法之網址 www.hinet.net/sexuser/
<br>
sextag記錄不法之字眼 情色
<br>
<br>
<br>
__________________
<br>
<br>
</FONT><br>
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