Squid is a FOSS package licensed under the GNU GPL and is primarily used as a web proxy server and cache.

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Proxy / Squid 2.7 / Debian Wheezy 6.7 / lots of TCP Timed-out

I'm facing a lot of TCP timed-out on a busy cache server and here below my sysctl.conf configuration as well as an output of netstat -st Kernel 3.2.0-4-amd64 #1 SMP Debian 3.2.57-3 x86_64 GNU/Linux ...
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1answer
35 views

Single ipv6 from /64 subnet

I have a newbie question I'd like to ask. We have a dedicated server and we got an IPv6 /64 block. We want to use squid to make proxy and use those IP. And my question now is: is it possible to use ...
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19 views

Squid not caching files (Randomly)

I want to use an intercepting squid server to cache specific large zip files that users in my network download frequently. I have configured squid on a gateway machine and caching is working for ...
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1answer
40 views

Google searching requires captcha when using proxy server

We currently have a Squid Proxy server setup on our network, a high school. We are sending all traffic from student devices (iPads) through the proxy, both internally and externally. Traffic gets sent ...
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1answer
42 views

What's the difference between mitmproxy (man-in-the-middle proxy) and squid proxy server? [closed]

From what i read mitm proxy can Intercept HTTP requests and responses and modify them on the fly like this ,can similar results be achieved using squid? I am running windows 7 Thanks in advance
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20 views

Banning all sites except one for user on the list

Is there an easy way to ban all sites except one (ex. domain.com) for user on the list? user list: src limit_users { userlist /etc/squid3/ul_limit_users }
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1answer
24 views

Squidanalyzer error

I installed squidanalyzer-5.4.tar.gz, following this tuto http://squidanalyzer.darold.net/install.html and setting as recommandation but when I run http://testserver.com/squidreport I get error below ...
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1answer
71 views

How to block videos by title on youtube using Squid?

For example,i want to block videos that contain the word "cat" in the title. I also do not want the blocked videos appearing in: -Recommended Channels tab -Recommended/related videos -Search ...
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30 views

Squid Proxy does not prompt for authentication and denies every request

I have a problem with a squid proxy that always denies requests. The bad part is, i never get to see an authentication pop-up... Squid is running on an Ubuntu 14.04 vserver. I'll provide you my ...
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18 views

How to enable sites by domain wildcards in Squid Guard Proxy Server?

I need to enable sites through Domain names by using wildcards in SquidGuard Proxy Server instead of adding one by one. For example, *.ae means it needs to allow all the sites comes under ae domains.
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38 views

Trying to redirect internal network DNS sites but not working with SSL

In my network I have unbound redirecting some sites through the proxy server and checking authentication, If I redirect www.thisite.com it works corectly. However, as soon as SSL is used ...
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50 views

squid authentication error kerberos - windows active directory

I use squid on RHEL6 and I want that authentication is via AD windows 2008, I already joined the server to the windows domain and all users is already seen by wbinfo -u wbinfo -g but wbmin -t show ...
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16 views

Strip spaces from Squid access log {X-Forwarded-for} output

Is there a way that I can strip the spaces from the comma separated list of IP addresses in the header printed by X-forwarded-for? For example in my logformat I have used: %{X-Forwarded-for}>h ...
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1answer
61 views

How can google see my IP address despite squid3 proxy?

I own a dedicated server by namecheap.com running Debian 7. Since I am currently on vacation in Europe and I'm unable to access some services I need due to geographic limitations I wanted to try and ...
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1answer
78 views

Bypass squid proxy [closed]

I have a transparent squid proxy that I am using to filter out ads from web traffic which works well enough, however I would like to have the option of bypassing the proxy as well at times when I do ...
2
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1answer
41 views

How does Squid know if it's cache is is validated

In reverse proxy mode, Squid can cache content from websites previously accessed by devices within the network. What happens if the content on the remote site changes in someway, perhaps by a code ...
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1answer
67 views

Squid3 - Cannot authenticate username/password with Mysql

I am testing both authentication with squid_passwd file and Mysql. This is my configuration auth_param basic program /usr/lib/squid3/basic_ncsa_auth /etc/squid3/squid_passwd # auth_param basic ...
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19 views

Squid Redirect Header Only

I have Squid running in transparent mode. For some reason, youtube seems to be slow when accessed with http, but flies with https. What I would like to do is when a client request a youtube page ...
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2answers
75 views

how to configure iptables to allow access to specific domain through squid proxy on port 3128?

What is wrong with my rules? I have installed squid on my server and i want just some specific domains to be reach able through squid but iptables completely blocked me I have found this : iptables ...
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0answers
81 views

Block video streaming

We are using RHEL 6 for proxy application. And squid version is 3.1.4. To limit bandwidth consumption I am going to block video streaming until 6:00 pm everyday. And I tried some ASL, But nothing ...
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1answer
37 views

squid3 how to make a computer avoid the blocking rules

I have a set of rules blocking access to swf and other types of content that can relate to streaming, video, music and online radios. How can I allow a certain computer on a network to bypass these ...
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76 views

Transparent Squid Proxy – issue opening a page in Internet Explorer

I set up Cisco Wccp + Squid on Suse Linux Enterprise 11 SP3. Firefox opens our intranet portal pages with no problems. I can see requests to squid. I see cache hits and access in squid log. I see ...
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71 views

How can I cache android packages using squid Cache?

I have a wireless Access point with another system using debian and squid/dansguardian as a transparent proxy to filter adult content. I can see that 90% the traffic comes from android phones and ...
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50 views

Squid forward SSL certificate with passphrase

I have a HTTPS server that expects the client to provide a certificate. This cert uses a passphrase. Everything works fine. But if I use SQUID as my proxy then the authentication fails and squid ...
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22 views

Captive Portal Blocking Attached Files

We're using Alcasar captive portal, which is using Squid 3 for web caching and DansGuardian for web filtering ... everything works fine except for the upload matters, such as attaching files in mails, ...
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2answers
54 views

Squid request_header_add with https

I'm trying to configure my squid proxy to add a header to all my requests. There is nothing fancy about the configuration. I have the following: request_header_add X-Custom-Header "customheadervalue" ...
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1answer
49 views

Bypass Transparent Squid With IPTables

Similar questions have been asked before but the answers received were not satisfying or didn't apply to my situation. I have a transparent squid proxy that filters all the http and , for some ...
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1answer
33 views

how to implement access control using connetcing hostname and port(squid)

some http proxy service providers here just assign an unique proxy address and port to a user, and the user just needs to enter the necessary proxy address and port to get access.I think this method ...
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37 views

How to config Squid SSL bump to let Paloalto PA series firewall recognize App-ID

A Paloalto firewall(PA-2050,POS 4.1x) was capable of recognizing the websites which users are visiting(thru http/https) then flag them with a App-ID and apply application control on the traffic, for ...
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17 views

Can not analyze output from Squid and varnish

I'm using one Squid server between tow cache server. I get from headers following information: X-Cache MISS, HIT from cache-zz X-Cache-Age 515 X-Cache-Control public, max-age=3600 X-Cache-Lookup HIT ...
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1answer
109 views

Minimal Squid proxy configuration doesn't work

I have been trying in vain for the past few days to set-up a Squid3 proxy on my Debian box. I have done the usual stuff of install the software, adding in the config etc. My config looks like: acl ...
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2answers
497 views

How to setup client for squid transparent proxy?

Server Details Squid Transparent Proxy Version: 3.3.8 OS: Ubuntu Server 14.04 Server IP: 192.168.1.3 Squid config file (excluding comments using grep) root@ubuntu:~# grep -v '^$\|^\s*\#' ...
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112 views

Squid 3 transparent proxy blocking Windows Update

I am a sophomore information systems and technology student, and I am setting up a Squid transparent proxy. It filters everything it needs to (I work at a boarding high school, so pornography is a ...
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1answer
71 views

Use proxy like an /etc/hosts file

I want a forward proxy that basically overrides DNS like /etc/hosts would on a client machine. So when People go to Google.com (for example) the proxy sends the request to a specified IP address. I ...
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32 views

Squid auth_param basic program - not allowing network requests?

I'm using auth_param basic program to run a Python script that connects to a database on another server. If I run the script myself it works fine, but when Squid runs it, suddenly authentication ...
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1answer
99 views

bypass firewall with Openvpn + Squid

I have 2 VPS servers, one in China and another in the US. The server (openvpn client) in China is connected to the US one via openvpn. I also have squid running in the China server. I want to redirect ...
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1answer
38 views

squid3 with tcp_outgoing_address could not connect to anywhere

I have one server with 3 interfaces (3 physical lan card), which are connected to 3 different routers. Each router has a different subnet, i.e. the 3 interfaces of server belong to 3 different ...
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11 views

Squid auth_param children not closing

I have this authentication script on my setup: auth_param basic program /usr/bin/python /etc/auth.py auth_param basic children 5 startup=5 idle=1 auth_param basic realm Please login auth_param basic ...
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1answer
25 views

Advanced Squid Log Analysis

We are currently using sarg to analyse our squid proxy logs, while it works ok, its not really amazing and we could do with a bit more information. The main thing we would like to do is be able to ...
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24 views

Squid 3.0 URL Rewrite Program Crash too Rapidly on arm

I'm using the following setup: - Ubuntu 10.04 (on ARM architecture) - Squid 3.0 - A simple url rewrite program in ruby I have the same setup on an x86 computer and it already works. But when deployed ...
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1answer
22 views

Squid3 enable multipart form data

I have a client that says he can't upload images with our squid using Content-Type: multipart / form-data; and I'm searching for a way to enable that in my config but all I found so far regarding this ...
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1answer
27 views

Configuring squid to download big files on one interface and do anything else on another

I have two internet connections, one with high download speeds, but it is slow for browsing. The other one is fast for browsing, but slow for downloads. I tried to set up an acl in squid to manage ...
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1answer
87 views

Is it advisable to use virtual Linux server installed on i5 / 8GB / 500GB desktop class computer? [closed]

We have CentOS 4.3 P4 / 512MB /Linux server installed somewhere in 2006-7. This machine has three network interaces for leased line, broadband (backup) and LAN. We use Sendmail, Fetchmail, NAT, Squid, ...
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2answers
305 views

squid ssl bump sslv3 enforce to allow old sites

Important: I have this question on stackoverflow but somebody told me this is more relevant place for this question. Thanks I have configured squid(3.4.2) as ssl bumped proxy. I am setting proxy in ...
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1answer
50 views

In CentOS 4.3 Webmin 1.3000 bandwidth monitoring is eating disk space. How to delete those files?

I maintain Linux server being used for Mail, Squid and DNS service. Recently I observed that something was eating server disk space. But at last, today I caught the culprit which was consuming the ...
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1answer
95 views

Block rtmp and make it retry on port 80 via iptables

We have a proxy filtering connections but some sites use RTMP, which runs on port 1935. This cannot go through the proxy as proxies are port 80 only. As far as I know if RTMP fails, it will retry on ...
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1answer
34 views

Redirect http queries

I need to exchange information with one webserver through soap. I have a computer with dynamic IP, but webserver allow only static ip (whitelisted). Also, I have a centos server with static ip. How ...
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65 views

webmin says squid cache directory has not been initialized

I am using webmin on FreeBSD 9.2, when I goto the squid panel it tells me Your Squid cache directory /var/squid/cache/squid has not been initialized.This must be done before Squid can be run. It ...
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69 views

Monitor squid proxy usage by subnet

I'm building a router/proxy box for a nonprofit organization. They have five internal departments, and I have assigned each department to a separate subnet. All web traffic goes out through a squid ...
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1answer
570 views

Pfsense+squid LDAP search filter error

Just installed pfsense and squid on a spare machine. I am trying to get Squid to authenticate AD users via LDAP. First I tried this: ...