Ahmad,
Also look at http://wiki.squid-cache.org/SquidFaq/SquidMemory
Hint: a 1500 GB disk cache requires a very large in-memory index.
Also reserve memory for squidguard and the OS.
Marcus
On 02/25/2013 05:18 AM, Ahmad wrote:
> Amos Jeffries-2 wrote
>> On 25/02/2013 12:30 a.m., Ahmad wrote:
>>> hello ,
>>> thanks Amos , ive modified the config file as u suggested .
>>> after removing the raid 0 , ive noted a better performance .
>>> =============================================================
>>> in general , browsing speed is lower than the speed in the absence of
>>> squid
>>> , but any way it is acceptable and i wish to enhance it as i can !
>>> ======================================================
>>> As i mentioned in the beginning , i have an excellent hardware with about
>>> 32
>>> G ram.
>>> but i have major problem in squid-guard !!
>>> after sometime it begins to bypass!!!!!!
>>> i searched to use dansguardian instead of squid-guard but it seems that
>>> dansguardian is not compatible with tproxy !!===> seems as shook to me !
>>> ==================================================
>>>
>>> i have pumped only 1000 users with about 150-180 M only !!!!
>>> here is the log of squidguard !
>>> ==============
>>> 2013-02-24 06:25:32 [17282] Warning: Possible bypass attempt. Found
>>> multiple
>>> slashes where only one is expected:
>>> http://surprises.tango.me/ts//assets/ayol_fairy_gingerbread_surprise_2-UI_VG_SELECTOR_PACK-android.zip
>>
>> Ah I see. SquidGuard is detecting what it reports as "bypass attempt".
>>
>> This is NOT squidguard being bypassed.
>>
>> There is a type of Web server attack *called* a "bypass attack" which
>> was designed to use multiple slashes like // or ./ or ../ to trick
>> simple URL matching security rules (like Squidguard appears to be using)
>> into ignoring parts of the URL. Any pattern match regex which you are
>> applying on the URL looking for the "http://" by ignoring the "http:"
>> portion and identifying the "//" portion as the start will ignore the
>> real domain name, attack login details, and maybe some of the path.
>>
>> However "//" is not necessarily a wrong patten. The author of the
>> website determines what the URL syntax is, so if the web server the URL
>> is supposed to be handled by can cope with it correctly that is a valid
>> URL.
>>
>>> 2013-02-24 06:27:04 [17282] Warning: Possible bypass attempt. Found a
>>> trailing dot in the domain name:
>>> http://www.google.ps/xjs/_/js/s/sy15,gf,adnsp,wta,sy5,sy45,sy47,sy6,sy50,sy46,sy51,sy7,sy48,sy53,sy54,sy49,sy52,adct,ssi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=0/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
>>
>> "Trailing dot" ??
>>
>> Oh I see. .http://.... C1O10.en_US./
>>
>> Whatever URL match squidGuard is testing there is *VERY* broken. Only
>> [a-zA-Z0-9\-\.\:] are permitted characters in domain names (or raw-IP
>> whch can also be there). squidGuard pattern is currently is allowing _ ,
>> / = and probably # and ? as well I guess.
>> You need to fix that pattern *immediately* regardless of whatever else
>> you do about squidGuard.
>>
>>> [root_at_squid ~]#
>>> ==============================
>>> here is a sample of cache.log file:
>>> {Accept: */*
>>> Content-Type: application/x-www-form-urlencoded
>>> 2013/02/24 06:24:18| WARNING: HTTP header contains NULL characters
>>> {Accept:
>>> */*
>>> Content-Type: application/x-www-form-urlencoded}
>>> NULL
>>> {Accept: */*
>>> Content-Type: application/x-www-form-urlencoded
>>> 2013/02/24 06:24:18| WARNING: HTTP header contains NULL characters
>>> {Accept:
>>> */*
>>> Content-Type: application/x-www-form-urlencoded}
>>> NULL
>>> {Accept: */*
>>> Content-Type: application/x-www-form-urlencoded
>>> 2013/02/24 06:24:18| WARNING: HTTP header contains NULL characters
>>> {Accept:
>>> */*
>>> Content-Type: application/x-www-form-urlencoded}
>>> NULL
>>> {Accept: */*
>>> Content-Type: application/x-www-form-urlencoded
>>> 2013/02/24 06:24:18| WARNING: HTTP header contains NULL characters
>>> {Accept:
>>> */*
>>> Content-Type: application/x-www-form-urlencoded}
>>> NULL
>>> {Accept: */*
>>> Content-Type: application/x-www-form-urlencoded
>>> 2013/02/24 06:24:41| clientProcessRequest: Invalid Request
>>> 2013/02/24 06:25:00| clientProcessRequest: Invalid Request
>>> 2013/02/24 06:25:04| clientProcessRequest: Invalid Request
>>> 2013/02/24 06:25:07| clientProcessRequest: Invalid Request
>>> 2013/02/24 06:25:09| helperHandleRead: unexpected reply on channel 0 from
>>> redirector #1 ''
>>
>> The squidGuard helper is sending Squid more lines of response than Squid
>> sent lines of requests.
>> It looks like something is causing an extra newline at the end of a
>> response.
>>
>> The above happening will cause that squidGuard helper to be killed and a
>> new one to be started. This process will slow down your Squid with a
>> small pause as the new helper is started. If it happens often that could
>> be a large part of your speed problem.
>>
>>
>> Amos
>
>
> Hi Mr Amos ,
> thanks very much for explanation .
> thanks Marcus ,
>
> so ,
>
> you mentioned that i have to fix the ... and // in squidguard !! how could
> i fix it ??!!!!!!
>
> i want to say something !
>
> ive removed squid 1.4 and installed squidguard 1.5 beta version .
>
> after that ,
> no bypass happened :)
> i mean that it was seem to be problem of squidguard .
> i read that there is a bugs in squidguard in bypass , and i found squid 1.5
> is better .
> i pumped 2000 users to squid with BW 200M and no by pass occured
>
> this is one issue ,
>
> now lets return to the issue of slow browsing ,
> agian , the browsing is not very bad , but it is acceptable anyway and less
> quality than in absense of squid .
>
> i dont know if it was because of my hardsiks !!
> my disks are as bellow :
> hd1==>ssd with 180 G as operating system
> hd2==>sata with 560 G as /cache1 storage
> hd3==>sata with 560 G as /cache2 storage
> hd4===>sata with 560 G as /cache3 storage
>
> now i dont know if i need more hardiks additional to hd2, hd3 , hd4 ?
> or i need to replace them by ssd ?
> or i need to use another file system to enhacne the speed ?
>
> You may advice me Mr Amos about the best choice :)
>
> ===========================
> now , after all of modification i did,
> i mean after i used squidguard 1.5 beta , i will post my logs of squidguard
> and cache..log
> note that im still using squid 3.1.0 , i downloaded it by yum install !
> ============================
> squidguard.log
> *2013-02-25 03:09:01 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/c,sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:01 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/c,sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:02 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=27530109
> 2013-02-25 03:09:02 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/59319.flv?start=0
> 2013-02-25 03:09:03 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=36350022
> 2013-02-25 03:09:03 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://d.p-td.com/r/dm/mkt/4/mpid//mpuid/4192445453826003354/mchpid/9/url/
> 2013-02-25 03:09:04 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://d.p-td.com/r/dm/mkt/4/mpid//mpuid/4192445453826003354
> 2013-02-25 03:09:05 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=40931608
> 2013-02-25 03:09:05 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://d.audienceiq.com/r/dm/mkt/44/mpid//mpuid/4192445453826003354
> 2013-02-25 03:09:05 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://d.audienceiq.com/r/dm/mkt/73/mpid//mpuid/4192445453826003354
> 2013-02-25 03:09:07 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=34456811
> 2013-02-25 03:09:08 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://apr.lijit.com///www/delivery/ajs.php?zoneid=158508&username=888media&numAds=1&premium=1&eleid=lijit_region_158508&abf=true&tid=158508_1361779751247417e33a3f00a&lijit_kw=&cb=3200&flv=11.6.602&time=10:09:11&ifr=1&loc=http://c.ztstatic.com/youtube_728x90_196.htm?clientId=4f95c1f8-b4f8-4e48-b9ed-685f89c82b48&od=c.ztstatic.com&referer=http://c.ztstatic.com/youtube_728x90_196.htm?clientId=4f95c1f8-b4f8-4e48-b9ed-685f89c82b48
> 2013-02-25 03:09:12 [8262] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/sb_mob,cdos,rcs,tbui,mbsk,mb,dise,miuv,ivf,mld,lu,amcl,bct,lc,mad,mbsf,mlr,ob,rsn,sf,sfa,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=1/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:12 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/sb_mob,cdos,rcs,tbui,mbsk,mb,dise,miuv,ivf,mld,lu,amcl,bct,lc,mad,mbsf,mlr,ob,rsn,sf,sfa,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=1/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:15 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://ds.serving-sys.com/BurstingRes///Site-38682/Type-2/0eb14c41-4ef9-4160-a7d0-0725c9d5947b.swf
> 2013-02-25 03:09:15 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.back4allah.com//photo/banner/ma.lel3qol.gif
> 2013-02-25 03:09:16 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/c,sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:16 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/c,sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:16 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//24-02-2013/130x87/0382984368.jpg
> 2013-02-25 03:09:16 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//24-02-2013/90x70/VMP51111.jpg
> 2013-02-25 03:09:16 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/sy15,gf/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=0/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:16 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/sy15,gf/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=0/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:19 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=36350022
> 2013-02-25 03:09:20 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.stqou.com/games//2784/%d8%b7%c2%ad%d8%b8%c6%92%d8%b7%c2%a7%d8%b8%d9%b9%d8%b7%c2%a7%d8%b7%da%be_%d8%b7%c2%ae%d8%b7%c2%b1%d8%b7%c2%a7%d8%b8%d9%be%d8%b8%d9%b9%d8%b7%c2%a9_-_%d8%b7%c2%a7%d8%b8%e2%80%9e%d8%b7%c2%ae%d8%b7%c2%b1%d8%b8%d9%b9%d8%b8%d9%be..html
> 2013-02-25 03:09:20 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.stqou.com/games//2784/%d8%b7%c2%ad%d8%b8%c6%92%d8%b7%c2%a7%d8%b8%d9%b9%d8%b7%c2%a7%d8%b7%da%be_%d8%b7%c2%ae%d8%b7%c2%b1%d8%b7%c2%a7%d8%b8%d9%be%d8%b8%d9%b9%d8%b7%c2%a9_-_%d8%b7%c2%a7%d8%b8%e2%80%9e%d8%b7%c2%ae%d8%b7%c2%b1%d8%b8%d9%b9%d8%b8%d9%be..html
> 2013-02-25 03:09:21 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.bayt4.com/upload//uploads/images/bayt4.com35c877fdeb.jpg
> 2013-02-25 03:09:22 [8263] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=39257474
> 2013-02-25 03:09:23 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/sb_mob,cdos,rcs,tbui,mbsk,mb,miuv,ivf,mld,lu,tnt,amcl,bct,lc,mad,mbsf,mlr,ob,rsn,sf,sfa,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=1/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:23 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/sb_mob,cdos,rcs,tbui,mbsk,mb,miuv,ivf,mld,lu,tnt,amcl,bct,lc,mad,mbsf,mlr,ob,rsn,sf,sfa,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=1/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:24 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected: http://www.stqou.com/games//2784/[ii]
> 2013-02-25 03:09:24 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected: http://www.stqou.com/games//2784/[>]
> 2013-02-25 03:09:25 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.sparkimg.com//forum/icons/FacebookButton.gif
> 2013-02-25 03:09:25 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.sparkimg.com//universal/indicator_big.gif
> 2013-02-25 03:09:25 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://c5.zedo.com//ads3/k/1424/1406500/6685/1000002/i.js
> 2013-02-25 03:09:25 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://c5.zedo.com//ads3/k/1424/994223/24349/1000007/i.js
> 2013-02-25 03:09:26 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/c,sb,cr,cdos,ssb,vm,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,j,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:26 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/c,sb,cr,cdos,ssb,vm,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,j,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:26 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=42450519
> 2013-02-25 03:09:27 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/sb_mob,cdos,rcs,tbui,mbsk,mb,miuv,ivf,mld,lu,tnt,amcl,bct,lc,mad,mbsf,mlr,ob,rsn,sf,sfa,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=1/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:27 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/sb_mob,cdos,rcs,tbui,mbsk,mb,miuv,ivf,mld,lu,tnt,amcl,bct,lc,mad,mbsf,mlr,ob,rsn,sf,sfa,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=Ag/d=1/sv=1/rs=AItRSTOpQvIp-01oN3KrTECEOyMQp4XebQ
> 2013-02-25 03:09:28 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://l2.zedo.com//log/p.gif?x=2077;g=138,138;c=1424001932,1424001932;i=0;n=1424;a=868265;b=1;i=1;u=3o8pUTqwREgaKiQJrC0HZ9JG~022413;1=20;2=99;e=i;s=80;g=138;q=0;z=0.7202420650033745
> 2013-02-25 03:09:28 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://l2.zedo.com//log/p.gif?x=2077;g=138,0;c=1424001572,0;i=0;n=1424;a=868265;b=1;i=1;u=3o8pUTqwREgaKiQJrC0HZ9JG~022413;1=20;2=99;e=i;s=80;g=138;q=0;z=0.25405871530645363
> 2013-02-25 03:09:29 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//752-3new.png
> 2013-02-25 03:09:29 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//24-02-2013/0555555555555555555555.jpg
> 2013-02-25 03:09:29 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//10-02-2013/89x60/0look4.jpg
> 2013-02-25 03:09:30 [8263] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//03-02-2013/89x60/0104.jpg
> 2013-02-25 03:09:30 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//27-01-2013/89x60/0rd6341.jpg
> 2013-02-25 03:09:30 [8263] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//10-02-2013/89x60/04%20(3).jpg
> 2013-02-25 03:09:30 [8262] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.ps/xjs/_/js/s/sy15,gf/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=0/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:30 [8262] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.ps/xjs/_/js/s/sy15,gf/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=0/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:30 [8263] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra/NewSite/25-02-2013/09283063860//326203632.png
> 2013-02-25 03:09:30 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra/NewSite/25-02-2013/09283063860//1845193052.jpg
> 2013-02-25 03:09:31 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.com/xjs/_/js/s/c,sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:31 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.com/xjs/_/js/s/c,sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:31 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://flv-origin.alarab.net//flv/58275.flv?start=45051900
> 2013-02-25 03:09:32 [8263] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://surprises.tango.me/ts//assets/ayol_im_omg_surprise_2-ANIMATION_PACK-.zip
> 2013-02-25 03:09:33 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://surprises.tango.me/ts//assets/ayol_im_omg_surprise_2-UI_VG_SELECTOR_PACK-android.zip
> 2013-02-25 03:09:34 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.com.sa/xjs/_/js/s/sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:34 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.com.sa/xjs/_/js/s/sb,cr,cdos,ssb,tbui,mb,abd,bihu,lu,m,tnv,amcl,hv,lc,ob,rsn,sf,sfa,shb,tbpr,hsm,pcc,csi/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=1/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:34 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://images.bokra.net/bokra//13-01-2013/89x60/074411316.jpg
> 2013-02-25 03:09:37 [8261] WARN: Possible bypass attempt. Found a trailing
> dot in the domain name:
> http://www.google.com/xjs/_/js/s/sy15,gf/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=0/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:37 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected:
> http://www.google.com/xjs/_/js/s/sy15,gf/rt=j/ver=OMt9IcC1O10.en_US./am=CA/d=0/sv=1/rs=AItRSTOekKHDXRJiLDzqcQkCe4C3pVWkbw
> 2013-02-25 03:09:37 [8261] WARN: Possible bypass attempt. Found multiple
> slashes where only one is expected: http://fms-eu6.panet.co.il/vod//78/*
> ============================================
>
> cache.log
>
> *NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:19| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:20| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded
> 2013/02/25 03:12:21| WARNING: HTTP header contains NULL characters {Accept:
> */*
> Content-Type: application/x-www-form-urlencoded}
> NULL
> {Accept: */*
> Content-Type: application/x-www-form-urlencoded*
>
> ======================================
>
> do i need to increase the redirector in squidguard ???
> here is squid.conf file :
>
> *[root_at_squid ~]# cat /etc/squid/squid.conf
> #
> #
> # squid Config By "Drvirus"
> #
> ###################
> acl all src all
> acl manager proto cache_object
> acl localnet src 192.168.1.0/24 x.x.x.x/16 x.x.x.x/16
> acl localhost src 127.0.0.1/255.255.255.255
> acl to_localhost dst 127.0.0.0/8
> acl SSL_ports port 443
> acl Safe_ports port 80 # http
> acl Safe_ports port 21 # ftp
> acl Safe_ports port 443 # https
> acl Safe_ports port 70 # gopher
> acl Safe_ports port 210 # wais
> acl Safe_ports port 1025-65535 # unregistered ports
> acl Safe_ports port 280 # http-mgmt
> acl Safe_ports port 488 # gss-http
> acl Safe_ports port 590 # filemaker
> acl Safe_ports port 777 # multiling http
> acl CONNECT method CONNECT
> ################################
> visible_hostname squid
> coredump_dir /var/spool/squid
> ####squidguard###################
> redirect_program /usr/local/squidguard5/bin/squidGuard -c
> /etc/squidguard.conf
> redirector_bypass on
> url_rewrite_children 200
> ###############################
> cache_effective_user squid
> cache_effective_group squid
> ##############################
> #Recommended minimum configuration:
> # Only allow cachemgr access from localhost
> http_access allow manager localhost
> http_access allow localnet
> http_access deny manager
> # Deny requests to unknown ports
> http_access deny !Safe_ports
> # Deny CONNECT to other than SSL ports
> http_access deny CONNECT !SSL_ports
> # And finally deny all other access to this proxy
> http_access deny all
> #Allow ICP queries from everyone
> icp_access allow all
> #######################################
> access_log /var/log/squid/access.log
> cache_dir aufs /cache1 500000 32 256
> cache_dir aufs /cache2 500000 32 256
> cache_dir aufs /cache3 500000 32 256
> cache_mem 20000 MB
> ##########################
> http_port 127.0.0.1:3128
> http_port x.x.x.x:x.x
> http_port 3128
> http_port 3129 tproxy
> ########### Performance Related Config:
> relaxed_header_parser on
> vary_ignore_expire on
> ##########################################
> memory_replacement_policy heap GDSF
> cache_replacement_policy heap LFUDA
> ###########################################
> ipcache_size 2048
> ipcache_low 98
> ipcache_high 99
> memory_pools off
> pipeline_prefetch on
> ############################################
> httpd_suppress_version_string on
> server_persistent_connections on
> client_persistent_connections on
> pconn_timeout 2 minutes
> persistent_request_timeout 1 minute
> ###########################################
> ########### WCCP2 Config#############
> wccp2_router x.x.x.x
> wccp_version 2
> wccp2_forwarding_method 2
> wccp2_return_method 2
> #wccp2_assignment_method mask
> wccp2_service dynamic 80
> wccp2_service_info 80 protocol=tcp flags=src_ip_hash priority=240 ports=80
> wccp2_service dynamic 90
> wccp2_service_info 90 protocol=tcp flags=dst_ip_hash,ports_source
> priority=240 ports=80
> ##########################################
> ###########################################
> #default option
> refresh_pattern ^ftp: 1440 20% 10080
> refresh_pattern ^gopher: 1440 0% 1440
> refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
> refresh_pattern . 0 20% 4320
> #################################################
> forwarded_for on
> max_filedescriptors 65536
> max_open_disk_fds 65536
> relaxed_header_parser on
> reload_into_ims on
> client_lifetime 15 minutes
> read_timeout 5 minutes
> request_timeout 1 minutes
> ie_refresh on
> ignore_expect_100 on
> vary_ignore_expire on
> ###############################
> ################################
> httpd_suppress_version_string on
> server_persistent_connections on
> client_persistent_connections on
> pconn_timeout 2 minutes
> persistent_request_timeout 1 minute
> shutdown_lifetime 20 seconds
> #############################
> cache_swap_low 98
> cache_swap_high 99
> cache_replacement_policy heap LFUDA
> minimum_object_size 0
> maximum_object_size 130 MB
> ###############################*
>
>
> with my best regards
>
>
>
> --
> View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/slow-browsing-in-centos-6-3-with-squid-3-tp4658635p4658697.html
> Sent from the Squid - Users mailing list archive at Nabble.com.
>
>
Received on Mon Feb 25 2013 - 14:54:49 MST
This archive was generated by hypermail 2.2.0 : Mon Feb 25 2013 - 12:00:05 MST
