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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How to make Squid log url and forward traffic without proxying?

I want to use squid to listen on port 80 and log all url requests and simply forward it to original destination without changing anything. How to achieve that?
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67 views

Squid configuration to allow all https and block all else to and from localhost

I'm attempting to use squid to mock something on my local windows machine for testing purposes. I need to allow local applications and browsers to connect to a tomcat server running on localhost, ...
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60 views

Tune Squid to only cache URLs if response time is slow

I'm fine-tuning my Squid server to only cache URLs if the upstream server response time is slow. For all other calls, it acts as a transparent proxy. Has anyone done this before? Is there a way to ...
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24 views

Restricting proxy access to certain ldap users

I'd like to restrict access to a squid proxy server to certain ldap users. Since the ldap backend I use is zimbra, I intruduced a new Class of Service simply called squidusers and use that for the ...
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75 views

Squid Proxy: How to link inbound IPv4 ports to outbound IPv6 Addresses

I'm using Squid and I need to accept inbound connections on an ipv4 address using an ipv4 port that each user account link to an specific outbound ipv6 address. So for example I want to open port 4000 ...
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105 views

Squid, WCCP and Transparent HTTPS

Sorry if this has been answered but i just can't get it to work for me. We would like to log all HTTPS & HTTP requests but not to use Squid-in-the-middle. We would like the proxy to connect the ...
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1k views

Transparent Proxy squid TCP_MISS/503 Error in all pages

I m trying to make a squid proxy server with to work as a transparent proxy server, and i m facing some issues that i m unable to figure out the reasons. The setup i m using is several VLAN's with ...
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1answer
471 views

ssl_crtd helpers are crashing too rapidly in squid

I am using the sslBump and Dynamic SSL Certificate Generation features of squid, below is my configuration for the sslBump sslcrtd_program /usr/lib64/squid/ssl_crtd -s ...
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125 views

Transparent bridge proxy between gateway with DMZ and router

I'm attempting to build a transparent bridged proxy using ebtables, bridge-utils and squid3 as seen in the following article. ...
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179 views

Squid Proxy: ACL error on request by curl

my squid.conf(squid3) acl localnet src 192.168.1.0/255.255.255.0 acl localweb src 192.168.199.0/255.255.255.0 http_port 3128 transparent http_access allow localnet http_access allow localweb my ...
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35 views

Squid limit all user to 128kbit/s

I have a very odd behaviour with my squid server. It limits every client to a bitrate of exactly 3,2 Mbit/s... To troubleshoot it, I've tried to set the bitrate limit to unlimited and to 128kbit/s ...
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71 views

Squid not routing traffic, missing domain

I have a squid3 proxy setup and would like to route it's traffic although when I try and connect I get this error: The following error was encountered while trying to retrieve the URL: ...
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115 views

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
83 views

Single ipv6 from /64 subnet [closed]

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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213 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
338 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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23 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
305 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
183 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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1answer
334 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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115 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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453 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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49 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
190 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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647 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 ...
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1answer
180 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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311 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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34 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
622 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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1answer
121 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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144 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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426 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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286 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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58 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
199 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
286 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
43 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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107 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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26 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
649 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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3answers
7k 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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414 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
240 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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62 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
271 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
144 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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21 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
49 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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67 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
42 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 ...