CentOS 5 Server :: Squid Proxy Configuration SQUID 2.6.STABLE21

Jan 17, 2011

I would like to ask some help and tutorial for setting up and how to configure squid proxy server in my (Home PC Server). I am a newbie in Linux Centos. I already installed in my system the CentOS 5.5 . Now, I want to configure it as my internet server, all of my 4 system running in Windows including the laptop I want to connect through my CentOS pc with username authentication. I assign all IP address by static. see tthe attachement in my set up. [url] I just want to know what I need to change and add in my squid config file. And how can I configure properly my CentOS with 2 LAN card as internet server.

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General :: Squid Proxy Server In Centos 5.5 Final Configuration?

Apr 12, 2011

today i encountered centos 5.5 final server with a squid configured to block facebook from 9am to 4pm. i have tried to follow up the steps but am stack where time restriction is done and there is no proxy configuration done in the browser. the ip address of the server is being used as the default gateway.

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Server :: Squid Proxy Access List Configuration On MAC Address Basis?

Aug 24, 2010

I am using Redhat 5.3 , I configured well access list using IP address, but my customer want to access list on MAC address basis.

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General :: Configure Squid Proxy Server In Centos 5.5?

Apr 12, 2011

how do i configure squid proxy server in centos 5.5 final text mode only to block facebook from 9am to 4pm

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CentOS 5 Networking :: Load Balancing Multi WAN On Squid Proxy Server?

Aug 12, 2009

How To: Load Balancing & Failover With Dual/ Multi WAN on Linux proxy server I have 3 WANs connection (2 ADSL and 1 Wimax). And 30 clients on LAN.

eth0 connect with Wimax
ip= 172.23.x.x
eth1 connect with ADSL1
eth2 connect with ADSL2
ip= 10.10.5.x
eth3 connect with LAN

how to do Load Balancing & Failover With Dual/ Multi WAN on Linux proxy server.

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CentOS 5 Networking :: Check If Clamav Is Scanning HTTP Traffic Squid Proxy Server?

May 21, 2011

I'm trying to setup a Centos 5.6 Squid Proxy Server with Content Filtering & Antivirus Scanning Incoming HTTP Traffic from the Internet

I then proceeded to setup an configure the Proxy Server, i was able to test and confirm that Squid and Dansguardian Content Filter is working, however i dont know if Clamav is scanning HTTP traffic before it hits the client/server. Is there a way i can check if the Antivirus scanning is working.. is there some log file or real world test i can i can do to confirm that Clamav is scanning incoming traffic or even blocking potential viruses ??

Anyone who has squid proxy server with Clamav configured and its working can share there settings/setup with me and how they tested it ??

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Networking :: Squid Proxy Server On Ubuntu And WPAD - Proxy Auto Detection?

Dec 9, 2010

Currently my DHCP Server is working now what i want to have is auto detection of squid proxy in any browser but I still got an error in my dhcp server when I restart it.

My Config:

# DHCP configuration generated by Firestarter
ddns-update-style interim;
ignore client-updates;


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General :: Multi-wan Configuration For Squid Transparent Proxy?

Jun 17, 2011

I have a network with two WAN links. One link is supposed to be for Senior Management and the other for the rest of the company. Currently all traffic seems to be going via one WAN link.

Is it possible to setup squid to select the link to use by checking the mac address of the requesting computer

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Debian Configuration :: Squid Transparent Proxy Https 443 Port?

Apr 26, 2011

I'm trying to get https/443 traffic go through squid.

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CentOS 5 Networking :: Install Web Proxy On VPS With Squid?

Jan 2, 2011

I need to install web proxy on my VPS, means, i'll get ip:port (without login and password) to add on firefox and to connect throught that Proxy ....

I have successfully installed Squid (with the command line : yum install squid)

Now, i need to know how to change squid.conf to be able to use that ip:port on firefox .

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Server :: How To Tell Squid To Use ISA Proxy

Jul 25, 2011

i want to setup squid proxy server at my home. my service provider has ISA server install on its machine. in windows as a client we have to enter proxy settings manually to IE and firefox. but now in squid where i have to define to use this proxy settings. and what about /etc/resolv.conf . my service provider's connection settings are stated as under.:

IP ADDR= 192.168.1.x
subnet mask=
Proxy= port= 8080

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General :: Opening A Port In Squid Proxy (centos)?

Jun 6, 2011

i have a proxy server up and running but one server using port 8181 cannot be accessed.how i can open that port!...i tried adding it in the safe ports but it still isn't working...

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CentOS 5 :: Unable To Use Outlook/thunderbird Behind Squid Proxy

Jan 7, 2010

I am not able to use outlook or any other email client on my computer(to access gmail account) I am also not able to forward port to my computer for a bit torrent client

I can access the internet using proxy settings

I have just installed CentOS 5 as a server with 2 NIC's for my home network.

My set up is something like this

adsl wireless router(static ip from ISP) - ( Cent os server ( - switch/hub - clients(windows XP/Vista,Linux)

the linux server acts as a Web Server,DHCP and Squid proxy server

Will installing an email server resolve my problem?

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Server :: How To Do Squid Proxy Tuning

Jan 20, 2011

we having more than 5000 users and will have 7 squid proxy servers with high end configuration upto 4gb ram n 320*5 HD in rhel4&5 most of them complaining that at peak hours their browsing speed is slow but we are having 1gbpgs link at peak hours i.e when established connections r flowing more than 550 browsing gets slow how to do fine tuning are squid is only responsible to access upto 600 connections

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CentOS 5 Networking :: OPEN Port In Squid Transparent Proxy

Jan 26, 2010

Here is my network diagram ADSL router----firewall--LAN inside the LAN my squid is running. currently all users are working with out proxy server. I installed the proxy server inside the LAN. now all users can access web browsing ,but no other ports are working , like POP3, smtp, then some other TCP port based applications are not working. My firewall ( juniper) is created and tested the rules to allow the POP3 and smtp and selected poprts which is working , but I redirected through squid proxy server the clients are not able to access. where do I have to create rules?

** in squid proxy( i already did in safe port list stillnot working)
** IP tables?

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Fedora Servers :: Squid 3.1.1 Proxy Server Will Not FTP

May 11, 2010

I have 4 servers running squid/3.1.1 proxy server. Since the latest version I can no longer FTP. I have posted this problem in multiple places but have received almost no response. I've found several other post to this problem throughout the Internet which have also gone unanswered. So, once again, I thought I'd give it a try. As I said "I have 4 servers running the newest version of Squid". When I try to access an ftp, any ftp, I receive an error (check attached image). This was never a problem until just recently. Squid should work perfectly find with ftp, it is not a strictly http proxy.

I turned my firewall off just to make sure, still had the same issue. If I jump directly on the server itself with no proxy settings set in the browser it will work fine. As soon as I set the browser setting to access the Squid software I get the same error. I've included my squid config (which is unchanged from the default settings), maybe somebody better versed than myself can point out an obvious flaw. Everything else seem to work just fine, it's only FTP that's a problem.

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Ubuntu :: Setting Up Squid Proxy Server?

Dec 28, 2010

I followed this guide: [URL] and restart the Squid Server with no errors but when I try to SSH into it:


ssh -L 8080:squidserver:8080 user@squidserver

It just hangs there for a long time, not timing out and eventually (after a long wait) I get this:


ssh_exchange_identification: Connection closed by remote host

What could be the problem? I can SSH normally into the computer, but not into the proxy server. Do I need to forward the 8080 port on that network?

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Networking :: VNC Connection Through Squid Proxy Server?

Dec 17, 2009

We have two offices suppose A and B. At office A, we use centos 5.3 computer as router and squid proxy server. At office B we use a cisco router to connect to Internet. Computers at office A that has direct access to Internet can access computers behind cisco router at office B using vnc viewer. But computers at office A that can use internet only through squid proxy can't access computers behind cisco router at office B. Is there any way so that I could allow squid clients to access computer behind cisco router at office B using vnc viewer.

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General :: Use SQUID Proxy Server In Ubuntu 9.10?

Feb 10, 2010

I am a newbie to SQUID.How to configure it and make it active in my system?

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General :: Redirect One Url To Other Squid Proxy Server?

Jul 5, 2010

I am using squid server. I want to redirect one perticular url request to other squid proxy server .

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General :: Squid As Transparent Proxy Server?

Jun 30, 2010

I am trying to install Squid 2.6 as Transparent proxy server.Can anyone provide the step by step configuration details

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Server :: Access Logs In Squid Proxy?

Feb 24, 2011

i am monitoring access log messages in squid proxy server,can it possible to get date,time,day in access logs is it possible

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Server :: Allow Only Two Web Sites Access By Squid Proxy?

May 19, 2010

i just implemented ur instruction n got success but i have one problem that i want to provide only two or three web sites access to groups in squid.

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Server :: Set Default Webpage Using SQUID Proxy?

May 5, 2010

I have configured Squid proxy on RHEL 5. Now I want all squid clients to use default website which is set by Squid Proxy Server. So whenever user opens their browser they will visit same website automatically.

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Server :: Improving Squid Proxy Performance?

Feb 4, 2010

I am starting to get bottlenecks in the loading of webpages via squid. It is not the actual playback of video that has performance issues, this is very good. However, when a webpage is first requested, it is the initial response that takes more than a few seconds to load the page. I am wondering how to troubleshoot the issue as I don't know whether it is squid, the dns lookup, the number of users, RAM, or the bandwidth. Bandwidth seems to be the least likely since the server has a high bandwidth and video streaming appears to have no problems. I do not have caching turned on yet, which would certainly help because I do not want to cache flb, mp3, etc. files and the last time I turned on caching the performance was actually worse. The slow loading of pages has only just beguin to creep into the performance, it wasn't an issue before.

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Server :: Internet Access Via Squid Proxy

Apr 28, 2010

Centos 5.4 distro using on remote machine. I have remote site where internet access given via squid proxy. So when we enter in browser it start working internet fine. But on command line (bash shell prompt terminal) like wget, ping, nslookup, traceroute etc., these commands does not work.

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Server :: Sample Squid Proxy Log Files?

Oct 11, 2010

I'm doing a research for my MSc analyzing the patterns in squid proxy logs. for that I need sample squid proxy log files which are freely avaliable to refer. provide some proxy log files or providing links to download them.

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Server :: SQUID 2.7.x And 3.1.x Won't Work As Transparent Proxy ?

Oct 16, 2010

I have installed and tried both squid version as transparent proxy but they just don't work.

I have eth0 which is where my internet comes in and eth1 which is my local network

My default firewall policy is to drop input output and forward, i have already set my firewall to accept and workout the squid and it is working.

Here is the relevant rules i have on my firewall:


Here is the sample conf i am using for squid:


Always_direct allow all When using version 2.7.x i was able to make it transparent when i used the below rules:


I readed the Docs on the squid page but the above rules can't be reproduced to 3.1 and i don't wish to use such rules to make it transparent or hidden so i want some help to figure out why it inst transparent.

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Server :: Squid As Reverse Proxy - Too Slow ?

Mar 16, 2011

I've been using squid-cache for a long time for authentication/authorization. It has work fine for years, but now it starts working too slow only in one computer (the others, works fine).

It's configured as a reverse proxy.

I see it can be a DNS problem, but the computer is configured with the same dns servers in resolv.conf that the other computers have.

I use squid 2.6.stable14 on RHEL 4.4.

If I restart the service (service squid restart) it works fine, but 15-20 minutes later, the problem repeats.

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Server :: Squid Intercepting Proxy On Bridging PC?

Mar 22, 2010

I am trying to set up squid as an intercepting proxy on a bridging (as opposed to NAT/routing) PC. I followed this guide on freshmeat - however, when I started squid it said the httpd_accel_* lines were unrecognized, so I commented them.

I have the bridging side working alright, but when I try to access a website from a machine using the bridge, Squid gives an error saying it cannot find the site, and only listing the non-domain part of the URL.

For example, if I try to go to [URL] , the Squid error page says it cannot find the server /questions/

I'm using Squid 3 on Ubuntu Karmic. (I don't have any reason for using Squid 3 over 2.whatever, I just picked the newer one).

Also, a side-question - since no doubt someone will ask for my squid config file, what's an easy way to strip the comments so it's not half a mile long when I post it?

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