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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DNS issue with Squid 3

I use a Linux gateway (Ubutnu Server) to provide internet on my local network. I also use Opendns for website blocking. I have used Opendns servers on the gateway to forward DNS requests. However, ...
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123 views

Squid proxy: LAN IPs are not hide for remote desktop

I want to hide our internal LAN IP's(static IPs) behind squid proxy. I have done configuration, now all the traffic are going through squid proxy only. What I assume that after I configure squid no ...
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129 views

Deny All Allow Video Streaming Site Firewall Proxy

I need to build a hotspot for children to view a video streaming site with random tablet devices that a client is going to provide. The req uested environment should restrict access to only the video ...
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1answer
84 views

web sites know the “real” access user(IP) through a proxy?

I'm new to Squid and iptables, and am investigating whether they would be able to accomplish a task at hand. part of my squid.conf: acl wf myport 8010 acl vp myport 8020 acl ss myport 8030 ...
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885 views

Multiple SSL certificates with Squid reverse proxy

I have been upgrading my network from using an apache reverse proxy (Not quite powerful enough) to a Squid proxy configured just for reverse use. My squid proxy is on a CentOS 6 VM, and currently ...
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126 views

Individual authenticated proxy configurations for VMs sharing a server

Problem. Hi all, I am in the need of having a small number of virtual machines living in a particular server. Each machine should have its own proxy configuration, but the software running in them ...
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1answer
47 views

Algorithm/Method to save costs of running filtering proxy on AWS EC2

I am trying to set up a Squid Proxy combined with DansGuardian Content filtering engine on EC2. I will be filtering traffic from mobile(IOS/Android) clients via this filtered proxy but that could mean ...
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186 views

Squid proxy connect method for SSL connections not working with people who are running nginx

I have a system which looks like this: Tomcat Server (has haproxy installed and balances my proxy servers) >> squid proxy server >> outside. This is the connection flow. My tomcat instance stores ssl ...
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42 views

Squid3: Send domain and IP to an other proxy and everything else direct to Internet

I want all *.domain.com, 10.225.*, 132.142.* requests to go forward on an other proxy server and everything else to go straight to the Internet. The server with Squid3 has full Internet access behind ...
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58 views

Squid Proxy access.log with double slash in username

Squid version 2.7STABLE8 on Windows Required to log GMT time with the Date and Time separate as well as logging domain\username from an Active Directory authentication setup. I have my custom ...
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174 views

Linux webfilter with LDAP SSO authentication

I'm looking for a self-made linux proxy/webfilter server and stumbled upon several products. (squidguard, dansguardian, ..) I found Privoxy the most appealing. Now I went searching on the internet for ...
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156 views

Squid Proxy - IPv6 Connections Refused

Can't load anything from Google over Squid which is largely IPv6 territory. Lots of TCP_MISS due to CONNECT failures in the access.log, like: TCP_MISS/200 0 CONNECT www.google.com:443 - ...
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707 views

What command should be used to connect via SSH through squid proxy?

I have set up a Squid HTTP Proxy (in centOS) and intended to use it also for ssh connections. Managed to configure putty (in a windows client) to use this proxy while connecting by ssh. Confirmed in ...
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180 views

Bypassing a transparent proxy using squid [closed]

I'm in a network where I can reach only one website for example exemple.com. Other requested web sites like google.com will be redirected to exemple.com, all other ports are work this way too ( in ...
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1answer
571 views

Squid SSL transparent proxy - SSL_connect:error in SSLv2/v3 read server hello A

I am trying to setup a SSL proxy for one of my internal servers to visit https://www.googleapis.com using Squid, to make my Rails application on that server to reach googleapis.com via the proxy. I ...
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2answers
209 views

How to configure RRAS to route all traffic through squid proxy?

I have a VPN server up and running on a windows server 2003. All the users are able to connect to the server and NAT their IP (use server IP and internet). but my problem is government filtering on my ...
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105 views

Certain URLs (and some content) not being blocked by DansGuardian

In attempting to configure DansGuardian I've had difficulty blocking certain search sites, though it also differs between browsers. I'm using the word "twerk" for testing as there's no instance of it ...
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225 views

HTTP proxy authentication Kerberos fallback on Windows

We run a Samba4 domain with Linux and Windows clients joined to it. Both the Windows and Linux machines use a Squid proxy that uses both Kerberos and Basic authentication, and for the most part it ...
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120 views

Squid request_body_max_size not working on transparent mode

I have a 400 computers network, almost all of them use squid as proxy (not transparent), but I have another computers that use squid as transparent proxy, and in the squid transparent computers I ...
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82 views

Benefits of using Squid over SSH vs a dynamic SSH tunnel

Recently someone at my place of work set up Squid for convenience so that a bunch of us can use it if we want. Since it's not publicly accessible we'd need to SSH to the server and set up a tunnel. ...
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1answer
944 views

Squid url_rewrite_program is not working

I'm writing a url_rewrite module for squid in python (OS: Ubuntu 13). For now the code is just a test which should print the received stdin to a file: #!/usr/bin/python import sys,os url = ...
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2answers
145 views

Filter Websites via Squid

I would like to install Squid to block all the websites and only allow a few websites (whitelist). Each department will have different rules. For example on the Sales department - all the websites ...
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84 views

HTTP over HTTPS using Squid proxy

I'd like to configure Squid3 proxy to work as a HTTPS forward proxy (not transparent) for all requests (both HTTP and HTTPS). I want a HTTPS connection between my browser and Squid irrespective of the ...
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2answers
130 views

Create Exception on Mime filtering on squid

I have a server with the operating system Ubuntu 12:04 LTS version. I also paired the squid version 3.1.19 on my server. with the client about 30 units. to prevent my clients to download any files ...
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427 views

Squid not caching static content

By looking to Squid3 logs, I've found that Squid it's not caching static resources, for example: 1379041607.923 611 127.0.0.1 TCP_MISS/304 356 GET ...
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533 views

Squidguard + LDAP (Active Directory) not working

I've been trying to configure a squid with squidguard and MS AD. I've successfuly linked my squid with my AD so far, but now, I want to link my squidguard with the active directory. I've followed ...
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67 views

Is it possible to use server with multiple openvpn connections as proxy

I am not a system administrator, so I will do my best asking this question. I have a server which connects to three OpenVPNs simultaneously. My question is if there are three clients is it possible ...
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76 views

Chaining transparent and non-transparent proxies using Squid

I have a question about the possible setup when chainig a Squid proxy behind a transparent proxy behind a non-transparent proxy, as in: [user pool] -> [Squid 1 (transparent)] -> [transparent proxy] ...
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2answers
383 views

DNS issue with squid

I'm having DNS issues with a squid setup. I also tried using dns_nameservers directive in my squid.conf to point to the DNS servers. I have a scenario where www.example.com is supposed to go out to ...
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177 views

Squid SSL Protocol error

What is the issue of this error in Squid? (I Don't find anything in google) The system returned: (71) Protocol error The remote host or network may be down. Please try the request again. my ...
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1answer
89 views

How to get squid to access to referred URLs?

I have my whitelist setup and everything seems to be working perfectly. Except for one thing. Some of the sites host their assets on some sort of CDN (internal or external). As a result, certain sites ...
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1answer
58 views

manage connection to proxy for local sites

I'm an admin for a company and my company has internal network, and also it has internet access. All users from inside the company configured to use a proxy server, and all their URL queries will go ...
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134 views

Squid using “url_rewrite_program” with node js on windows

I came to a very interesting post on this site: Squid with php or perl "url_rewrite_program" on windows It's very helpful when I want to hack some of my web apps. But as I'm not quite ...
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36 views

How to configure logs in Squid3

I want to configure the access.log on squid so I can read the reports with SARG, but I don't really know how to to it, as uncommenting this line #Default: access_log /var/log/squid3/access.log squid ...
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41 views

Using Lire to read squid log files

I read the instructions here : http://download.logreport.org/pub/current/README So I do : lr_log2report squid_access > /tmp/squidreport.txt < /var/log/squid3/access.log.2.gz And I get ...
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133 views

Start Squid Cache Proxy

I'm having trouble starting squid. I type in console squid -k shutdown and get: squid: ERROR: Could not send signal 15 to process 2065: (3) No such process I have checked and process "2065" ...
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70 views

Squid MISSes reloading pages that should be cached

I've been fighting this for a while, but I can't seem to understand why a request isn't being cached. Response headers: HTTP/1.1 200 OK Date: Tue, 20 Aug 2013 16:42:12 GMT Server: Apache/2.2.23 ...
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282 views

Squid forward cache to HAProxy load balancer

I have a farm of Squid proxies set up behind an HAProxy load balancer. I would like to cache data that is returned from the Squid proxies, the architecture I am considering would look something like ...
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146 views

Is there any way to log HTTPS requests (URLs) in a proxy server (Squid no transparent proxy)?

We do not want to know what is inside the package. Only monitor the destination URLs. Is it possible? In other words: I want the Squid log accesses without being transparent proxy.
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490 views

Squid3 trying to add a custom external_acl_type

I'm trying to create an external acl helper for squid3 to (hopefully) cut down some config lines from my squid3 server and I wrote a simple python script for it: #!/usr/bin/python import sys import ...
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365 views

how do I force Apache to use http_proxy on Localhost for outbound traffic without iptables?

I have a webserver with several applications of several users. Since I'm not sure what the applications are doing and which outbound http/https traffic they produce, I want to get more control about ...
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414 views

TCP_MISS/Squid-Error: ERR_CONNECT_FAIL

I setup an apache web server and squid3 running on the same machine, but when I try to access the web-server pages from client machine, I always ended up with an ERR_CONNECT_FAIL error. I tried all ...
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56 views

squid with workers not accepting connections

I just upgraded to squid 3.3.8 to take advantage of the workers and split the load between CPUs. Since I never worked with workers and the documentation or examples are lacking I thought I start by ...
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1answer
77 views

Proxy to remote proxy?

One of our partners require us to use one of their proxies in order for us to reach various services there. What I would like to achieve is to set up a local proxy at which I point the domains, so ...
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3answers
154 views

Squid: restrict proxy_auth (userid) only from selectec sources (src ip)

I need a way to restrict userid (proxy_auth) only from authentic user pc (src ip). Because: a userX take lent a userid (login) from another user (boss user) and can access all sites without ...
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296 views

squid proxy ext_session_acl missing from RPM package

After installing squid 3.1/3.2/3.3 on Fedora 18, Centos 6 or RHEL 6, the session helper file ext_session_acl is missing. Compiling from 3.3.source, it doesn't get compiled even when given argument to ...
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275 views

Squid workers and server cpus

Allright so I'm about to upgrade my box (with 2k external ips) to the latest squid (3.3.x) since my old version do not take any advantage of the multi-core processors. While researching on the ...
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346 views

Squid Proxy and AD auth generating errors on Squid startup

I need some advice with an error i am getting when trying to start Squid which has integrated NTLM / AD auth setup. heres the back story: I've followed this guide word for word on the setup, ...
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276 views

/etc/hosts configuration file is ignored when behind a squid proxy

I put this in my /etc/hosts file: 198.252.206.16 stackoverflowtest.com And when I try stackoverflowtest.com in my browser, I get this squid error: ERROR The requested URL could not be retrieved ...
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348 views

Is this possible to filter https request using squid acl?

I am using squid proxy 3.1. I want to allow users to access particular domain urls only. Say allow only this url "https://google.com/search" through squid proxy. Default squid does not know the url ...