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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squid reverse proxy using too much memory

I have a bunch of small vps set up for http caching in a bunch of edge locations using squid as a reverse proxy (varnish caused more issues and had worse performance). These vps have 1gb of ram and ...
2
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3answers
2k views

Squid traffic tunneled through VPN

So what I'm trying to do is have a Squid Proxy run on 1 machine along side a VPN connection. What I want to happen is all traffic running though the Squad Proxy would run though the VPN for its ...
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17 views

Accessing Google with Squid Proxyserver

ive installed a Squid Proxyserver on my vServer with Cent OS. Im using this Configuration: # # Recommended minimum configuration: # acl manager proto cache_object acl localhost src 127.0.0.1/32 ...
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0answers
19 views

Creating a Remote Desktop Session from within an EC2 server, not to it

Ok, I'm having problems answering this because I can't figure out how to word it. Most questions about "remote desktop" and "ec2" focus on remoting into an ec2 instance, which isn't necessarily what I ...
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2answers
7k views

Squid throws error, The requested URL could not be retrieved

Sometimes I am getting the following error The requested URL could not be retrieved While trying to retrieve the URL: http://groups.google.com/ The following error was encountered: Unable to ...
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2answers
4k views

Squid refresh_pattern won't cache “Expires: …”

Background I frequent the OpenGL ES documentation site at http://www.khronos.org/opengles/sdk/1.1/docs/man/. Even though the content is completely static, it seems to force a reload on every single ...
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3answers
17k views

Best way to bypass Squid for certain sites?

We have a Squid transparent proxy running, it's great, awesome dare I say. The problem is when some very random sites seem to hate squid. Cox.com is one in particular. Right now we just set an ...
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0answers
20 views

Strange entries in Squid3 access.log

My WiFi network for guests is transparently proxied by Squid3. There's now a girl from Indonesia with her Samsung GT-B5330 running Android 4.0.4, who gets blocked by "The requested URL could not be ...
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1answer
118 views

SQUID not caching anything

I am trying to setup squid to cache downloading of one of my programs , unfortunately I found out I am not caching anything, my logs looks like: 1414421675.540 1059 127.0.0.1 TCP_MISS/204 288 GET ...
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0answers
39 views

Squid 3.1.6 can't access some sites [on hold]

I have a transparent proxy. Almost all sites works well but when I try to access a service like goldenline or other where the login is redirected from http to https I get back to login page without ...
3
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1answer
1k 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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25 views

Cannot install Office 2013 through squid [closed]

We have a squid server (non transparent) configured for a customer. When they try to install Office 2013 through squid they get the error "sorry, we ran into a problem 30174-4'. Is there a way to ...
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2answers
1k views

Disabling the Squid Error pages

I've just started looking at using Squid for a project and can't seem to see an easy way of disabling the Squid error pages (e.g. "Name Error: The domain name does not exist"). We use a custom browser ...
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1answer
2k views

How do I tunnel an HTTPS proxy through a virtual machine (VMWare)

I have a personal setup at home using VMWare Workstation. I also have a set of Virtual Private Machines that run Squid, and therefore provide me HTTPS proxy tunnels. Using Proxifier, I can tunnel all ...
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7answers
12k views

How to setup equivalent USVIDEO.ORG DNS-Proxy on Linux

I have a VPS in the USA running Ubuntu. I want to setup something similar to http://www.usvideo.org Basically, USVIDEO is a DNS service that allows Canadians to access American content like Hulu, ...
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0answers
20 views

Squid url_rewrite_program [migrated]

I would like to use the squid url_rewrite_program to get rid of adf.ly ads. I've already written a perl script on which I've taken the code from an example and this works fine. However I can't get it ...
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1answer
1k 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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1answer
27 views

Squid: how to enable verification for SSL self-signed certificates

I'm using Squid 3.4.8 as a reverse proxy which is forwarding request to a specific server. The communication between Squid and the server is in HTTPS. The certificate used by the server is ...
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1answer
47 views

squid3 ssl bumping server-first with signed certificate

I'm trying to get Squid3.4 to do SSL Bumping with the server-first method. I followed this guide in alpinelinux. I'm working in explicit mode (browser configurer to Go to the proxy) and that works ...
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1answer
2k views

TCP port numbers reused and TCP Retransmission

Facing issues due to TCP Port Reuse and Retransmission for HTTP traffic. My deployment is as follows: enter image description here I have a squid proxy installed on a unix machine which is sending ...
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2answers
1k 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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1answer
1k views

What “traffic flow” would be right in a transparent “squid + dansguardian” pfsense setup?

my thought (i'm not sure if its right): lan interface traffic comes into port 80 destination port is redirected to 8080 (dans guardian) dansguardian outputs traffic to port 3128 (squid) squid ...
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2answers
473 views

Squid “system returned (13) Permission denied”

I can get to a site form my Squid server directly using lynx http://my-URL , ie not using squid as the proxy, just to prove the connectivity exists. Lynx connects fine to the site - its a Weblogic ...
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3answers
2k views

Squid via Haproxy

Anyone experienced with configuring Squid to forward requests to HAproxy? I use Squid as a proxy, with ACLs and other stuff, and I need to know if I can tell it to forward requests to HAproxy, which ...
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1answer
107 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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0answers
65 views

Allow Google apps and block consumer Google accounts using squid proxy

In my organisation, I am trying to allow the Google apps account and block consumer Google accounts using squid proxy. According to this link, Google says we can do it using following steps: 1. ...
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1answer
2k views

Squid SSL bump with parent proxy

Does SSL bumping work with parent proxy? squid and pf are set up like this: squid.conf: http_port 3128 intercept https_port 3129 intercept ssl-bump generate-host-certificates=on ...
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0answers
17 views

server hacked random auto generating proceses [duplicate]

I have this problem recently one of my servers was eating away my internet badnwith and i started to chek out what was the problem and i run in to this Once I loged in i found i couldnt chance my ...
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0answers
19 views

Squid forward traffic to another proxy with authentication

I want to use Squid locally on my computer to forward all traffic to a parent Squid proxy which uses BASIC authentication. The aim is to not store my password on every configuration file that needs ...
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2answers
65 views

Squid proxy performing extremely slow and sometimes doesn't work at all

I recently installed Squid on my desktop machine for testing purposes. I didn't edit the config whatsoever, and just pointed firefox at the proxy to see if it was working. Pages take an insanely long ...
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2answers
3k views

How To Enable URL Filtering With Just Squid & C-ICAP

Before I posted this question, I read several set up guides online, the squid docs, c-icap docus, and also the ICAP RFC (3507). Unfortunately, the documentation for SQUID and C-ICAP does not provide ...
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8answers
7k views

Adding an HTTP request header with Squid

I want to permit my users to login to Google apps only for my domain. I found a solution by adding the HTTP header X-GoogApps-Allowed-Domains as described in this Google help page. I use Squid, but ...
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2answers
357 views

How to make squid send a old cache(maybe stale) to client when website is down

I am using squid as proxy. But when the website is down and the cache is exceed the max time config in squid.conf, can I just let squid send the old to client before squid revaliadate it. If squid can ...
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1answer
2k 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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1answer
2k views

Squid: The request or reply is too large

I have done a reverse proxy with an Apache in the background (on the same server). All works great but I can't open one page. I get the error "The request or reply is too large." In my cache.log ...
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0answers
21 views

Two transparent gateway using squid return 403

I have two linux gateway using squid as transparent proxy. When I using them individually, everything is fine. But when I using them in the same network, every request from browser will return 403. ...
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1answer
89 views

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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1answer
68 views

How to exclude a particular domain entry from access.log in squid3 on debian

I have proxy server setup running squid proxy and Squid Cache: Version 3.1.20 on debian, I am doing some log analysis from squid's log file i.e /var/log/squid3/access.log. I dont want a entry of ...
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1answer
81 views

Squid3 never cache image files

I just installed 3.3.8 on Ubuntu 14.04. However I found that squid3 never caches any statics images file at all. Here is my squid3.conf auth_param digest program /usr/lib/squid3/digest_file_auth -c ...
0
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1answer
70 views

Display a message to all Squid Proxy users

I have a production squid proxy that I am about to decommission soon. The proxy has about 400 users mainly at remote location. We have purchased a new proxy appliance and it is ready for use. At this ...
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1answer
47 views

How to customized Squid access log to show upload files just as its recording download files

Just wondering , is there a way to check upload content or any data related to uploads using squid logs ? Any plugin or enhancement? any other viable option. grateful for any advice . Thanks..
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2answers
87 views

Transparent proxy and HTTPS with squid

Is is possibile to use a transparent proxy to filter some domains without a man-in-the-middle approach? I would like to guarantee the certificate verification and user privacy, by other hand, I want ...
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2answers
898 views

Working configuration for transparent FTP caching proxy with Squid3 and IPTABLES

Does anyone have Squid3 working to successfully cache FTP requests coming in transparently? Should the proxy still listen on 3128, and I redirect incoming reuests on 21 to 3128?
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1answer
68 views

route apache traffic through squid proxy server

i am using squid as proxy server for blocking patterns in a url (like: block .jpg,.bmp, etc). now i want to route the whole traffic from my 2nd server (which runs apache) through the proxy server. so ...
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0answers
173 views

Squid HTTPS Tunnelling using CONNECT very slow

I use squid on my network to cache content. I launch chrome with a command line switch that tells it to use the proxy. For the most part this works great as squid caches a large amount of content ...
0
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1answer
428 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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1answer
76 views

Local transparent proxy with squid and dansguardian

I am having trouble setting up a local web cache and filtering system using squid and dansguardian. It works perfectly when the browser is configured to use the proxy box's ip (192.168.1.2) but I ...
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1answer
44 views

Set up squid as a reverse proxy behind a transparent proxy

I have a question about setting up squid as a reverse proxy behind a transparent / forward proxy. Basically, what I am looking for is whether it's possible to set up (B) in the following: Client (A) ...
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3answers
74 views

Transparent proxy for HTTPS traffic

I'm looking for a proxy to intercept HTTP traffic na pass through HTTPS traffic. Burp can do that with SSL pass through. With that option, SSL traffic isn't modified or capture, but just tunneled. I ...
0
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1answer
36 views

replace web traffic content with squid

I am using squid to block certain types of traffic to reduce band width, I have so far blocked adds, flash applications, video streaming and other such things. when a website or an advertisement ...