Squid is a free, cross-platform caching proxy primarily used for web documents. Licensed under the GNU GPL, it runs on most available platforms, including Linux, FreeBSD, OpenBSD and Windows. It supports HTTP, HTTPS, FTP and other protocols.

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7
votes
2answers
6k views

Linux: no space left on device error with 50% free space

After spending a day crushing my head on the desk I would appreciate some help. I'm running a Squid-Proxy on Fedora 14. Even if I try to touch /tmp/foo I'll receive a "no space left on device" error. ...
6
votes
3answers
10k views

Simple way to monitor and analyze home network traffic, via proxy?

Question I'm looking for a way to create a simple list/log/database of the URLs my home computers have accessed. This list should show Domains, Urls, Timestamps, bytes sent/rec'd and that's about it. ...
5
votes
3answers
2k views

How can I access blocked sites while in China?

I have some colleagues who need to go to China for work, however while they're there, they can't access a lot of sites. One of which is GMail (Google Apps), which they need for work. We have a UK ...
5
votes
3answers
2k views

I'm using Firefox, configured to use a Squid proxy. Can the browser-proxy connection be HTTPS?

And what about Chrome, Opera, and Safari? (IE can go pound sand) Clarifying, I have the power to reconfigure Squid if necessary.
5
votes
2answers
1k views

Where to supply Authentication details to the Network Proxy (Central Proxy) on Fedora?

My system is running Fedora 16 and I live in a campus where we use LAN to connect to the Internet. And for this, we use an http proxy with authentication (username & password). I tried putting ...
3
votes
2answers
2k views

Users using Perl script to bypass Squid Proxy [closed]

The users on our network have been using a perl script to bypass our Squid proxy restrictions. Is there any way we can block this script from working?? #!/usr/bin/perl ...
3
votes
1answer
123 views

How much of a difference is my squid cache making?

I'm on an ADSL connection that has a bandwidth limit (I can download 100 gig per month). For a bit of a test I set up Squid as a transparent web proxy to capture all HTTP traffic and attempt to cache ...
3
votes
0answers
1k views

Route outgoing VPN traffic through local transparent proxy

I have a Digital Ocean droplet (similar to an Amazon EC2 instance) running Ubuntu Server 12.04.3 x64 with both strongswan 5.1.1 (built from source) and squid 3.4.2 (also built from source) installed. ...
3
votes
1answer
2k views

Video and file caching with squid lusca?

I have configured squid lusca on Ubuntu 11.04 and also configured the video caching but the problem is the squid cannot configure the video more than 2 min long and the file of size up to 5.xx MB ...
3
votes
1answer
2k views

Allow access from outside network with dmz and iptables

I'm having a problem with my home network. So my setup is like this: In my Router (using Ubuntu desktop v11.04), I installed squid proxy as my transparent proxy. So I would like to use dyndns ...
3
votes
1answer
909 views

How to selectively filter videos from YouTube with Squid

Here's the scenario: I have a 7 and 4 year old and I'm setting up a computer for them to use which would include unsupervised times. I've set up squid so that they can only get to websites that are ...
2
votes
1answer
694 views

Squid (or any other proxy) auto login without credential challenge

Present Situation: Configure Firefox to use a proxy server either by direct proxy details or PAC file. When a site is accessed, you get a Login dialog (from FF) for the proxy. We provide ...
2
votes
1answer
4k views

Simple authentication in Squid

I need to run a squid server in order to code and test another program against a proxy. So I downloaded Squid for Windows, configured for running without authentication and everything works. So far so ...
2
votes
1answer
778 views

How do I set up an SSH tunnel to connect to a proxy?

I have two machines S and C that are on a local network. The way to access Internet from any machine on the network is to use a web proxy, Squid3 is being used. So I can log in to the proxy from only ...
2
votes
0answers
28 views

Squid as transparent proxy

I am trying to configure squid as a transparent proxy. Eventually, I want it to use one of 5 different outgoing IP addresses based on the IP address the request was received on. My configuration ...
2
votes
0answers
358 views

How to reload a request via cache in squid if URL is blocked?

I have a simple and pretty basic squid3 configurations in my home server. I use it in combination with Tor and Privoxy. I have defined privoxy as cache_peer in squid configuration and an access list ...
2
votes
0answers
289 views

Add specific files to squid cache

I have set up squid-deb-proxy on Ubuntu, but would like to be able to add packages downloaded on other networks (e.g. McDonald's or college WiFi) to the cache. I have asked a question specific to ...
2
votes
1answer
551 views

Squid3 to use a parent SSH SOCKS proxy?

I would like to have a local squid3 server to use the forwarded parent SOCKS port 9999, and serve local users at local server port 3128 to avoid govt censorship... I have SSH tunnel forwarding a ...
2
votes
0answers
677 views

routing single application through any kind of vpn on OSX

OSX Application should run through manually selected route (vpn connection). Best idea I had is to put squid on separate linux machine, setup VPN on that machine and make iproute (shorewall) handle ...
1
vote
1answer
6k views

Squid can't complete external DNS queries

I've downloaded and configured with a minimal configuration file. I'm running Squid 2.7 on a Windows box. I've configured a client machines' browser to use my proxy server, but all external DNS ...
1
vote
1answer
428 views

How to selectively filter or block non-http/s traffic?

I know that it is possible to filter web content, say, with Squid+ICAP Server. But, is it conceptually as well as practically possible to monitor, filter, and programatically transform arbitrary ...
1
vote
2answers
4k views

Using Tor behind a proxy?

i'd like to use TOR/polipo behind a proxy like below ME --> POLIPO --> TOR --> PROXY SQUID --> WEB Couldn't find how to do that. When specifying a parent proxy for polipo, it goes straight for it ...
1
vote
5answers
10k views

503 Service Unavailable - What really it means?

I developed a website and it loads in every other system but certainly not in mine ... WHen i used firebug my request show 503 Service Unavailable EDIT: My response was, Server squid/2.6.STABLE21 ...
1
vote
1answer
497 views

OpenVPN + Squid or another way of blocking advertisements/websites?

I have a personal VPN that I use on my tablet for public wifi protection. Adblock+ is limited on android in that you need to set up a proxy for it to work, and this isn't ideal. Before I started ...
1
vote
1answer
3k views

Squid3 proxy Cannot write log file

I installed Squid3 on Rasbian, and did some minor configuration. Then I set it up to cache to an auto mounting usb drive. I was looking over the logs and found only TCP_MISS. I was hoping after a ...
1
vote
1answer
2k views

Squid - transparent proxy with NICs on same subnet?

I have setup a basic Squid + DansGuardian virtual machine that I was to use for the monitoring and blocking of certain websites. Currently, web traffic goes through a router set as the gateway - the ...
1
vote
1answer
2k views

Setting Squid Transparent Proxy

I want to setup Squid transparent proxy on my server. However, I also want to have Apache running. And HTTP/HTTPS should work on Apache as well as on proxy port. So say: Apache serves HTTP ...
1
vote
1answer
319 views

Difference between squid and apt-cache server?

Does any one know what the difference between Squid and apt-cache server in Ubuntu? Cause I'm just familiar with apt-cache server.
1
vote
1answer
4k views

SQUID proxy - open FTP

How can I open other ports than HTTP and HTTPS using SQUID proxy? I have last version of squid running on Fedora 10 but I'm not able to open FTP port. my squid.conf: acl manager proto cache_object ...
1
vote
2answers
1k views

Route all the traffic through my laptop (using Squid) wit Windows

I have just installed Squid on my laptop and I am successfully blocking all the traffic that I want to block ( websites, protocols etc. ). But I would like to route all the traffic form my LAN ( have ...
1
vote
1answer
573 views

Dynamic Proxy with OpenSSH and windows

Ok, so the goal is to be able to utilize the dynamic proxy method that OpenSSH provides with the -D option on the Linux client, such that any connection requests made against a local port are ...
1
vote
2answers
890 views

Options for SSL-encrypted reverse proxy

I am looking to provide almost a... VPN of sorts... for my company. I can setup a reverse proxy for external people to get into our web apps with Squid. That's no problem. I can even setup stunnel on ...
1
vote
1answer
627 views

Squid proxy limit

My college uses squid 2.6 stable for limiting access and speed of internet. Some of the problems are -- 1) Chrome gives access denied for almost every other site I visit, though these are on ...
1
vote
1answer
2k views

dd-wrt and squid proxy

I am now using linksys router with dd-wrt firmware & squid proxy from off-site (VPN) for anonymity. The problem is i have to configure proxy setting in my browser to access that proxy. What i ...
1
vote
0answers
16 views

Squid working on linux machine but not on vmware

I have a friend that is getting started to learn squid, so I am trying to give him a very basic squid.conf file that blocks only 3 websites. I got it running on my local machine which runs Ubuntu. I ...
1
vote
1answer
80 views

How to force Google safesearch on entire network

I've a problem filtering web searches on Google domains. Currently I've a linux openVPN Server running with openDNS "family block". I can block a lot of websites with dangerous content and it's ok. ...
1
vote
0answers
73 views

Not using CONNECT for SSL with Squid proxy

I want to disable encryption between my browser and my Squid so that I can get Squid to cache the pages. As using my own server and SSH port forw I'm not that worried about security. I already tried ...
1
vote
0answers
180 views

squid blocking access to http and https by IP, but not by domain

I've been succesfully using openvpn from my Windows 7 laptop whilst connecting to public wifi networks but have come across one network where I can not access the openvpn server as access to any and ...
1
vote
1answer
50 views

Transparently proxifying certain devices on the network

I'm using my computer as wireless access point and router to my home network using hostapd under Ubuntu 14.04. I want to transparently proxify certain wifi devices in the network (identified by their ...
1
vote
0answers
571 views

squid proxy cache server - no_suid: setuid(0): (1) Operation not permitted

In the log of the squid proxy cache server me and some warnings are coming out every time I leave the proxy fails to resolve normally, it starts to take to resolve. WARNING: no_suid: setuid(0): (1) ...
1
vote
0answers
29 views

Caching big files for local network, with authentication on internet

I'm trying to do something which I'm sure it's been done before, so I would like some help finding the best tools for the job. I have a data download server on the web, right now a user has to login ...
1
vote
0answers
146 views

Squid proxy on ubuntu 12.04 times out for everything

On my freshly imaged virtual private server, I just finished installing squid version 3.1.19. As expected, the default configuration didn't work. So, I saved the original config file and created a ew ...
1
vote
1answer
1k views

force an application to use a proxy locally (many transparent proxy programs doesn't work)

I've searched before and came on some solutions like (this, this, this and this). I've an application (Java based) which I must force it to use a proxy (because its online service is censored in my ...
1
vote
1answer
201 views

how to use privoxy with http proxy as parent that requires authentication?

How can i forward http parent proxy using privoxy when parent proxy requires authentication. I had read something about headers but i have no idea how to add headers in privoxy config .
1
vote
0answers
320 views

Squid over i2p, tor and localhost resources

i try to setup squid as a single top-level proxy, that give me access to i2p, tor(through privoxy) and some localhost resources. I`m using Gentoo and squid 3.2.13, if it is important. In this regard, ...
1
vote
0answers
290 views

Squid Proxy TCP_Miss all the time, not caching at all in Ubuntu

I've install Squid Proxy via sudo apt-get install squid on Ubuntu for a forward proxy I've not modified any of the default settings in squid.conf apart from http_access deny all to http_access allow ...
1
vote
0answers
71 views

Revalidate the whole cache from squid3 with a command

Is there any way to revalidate all files in the squid cache automatically triggered by a command? My intention is to run this as cronjob over night, because I have a lot of refresh patterns that ...
1
vote
1answer
354 views

Connecting Proxy server of one laptop with other laptop in Windows 7

I have two laptops at home. I connect to the net using wifi router in both. On one I have installed Squid Proxy server. And I have verified that it is working. On the other, how do I ensure that it ...
1
vote
1answer
685 views

Using teamviewer VPN to use internet at home?

I've been trying to configure squid to work like this thread* suggested but have been unsuccessful. Teamviewer's vpn is something like 7.xxx.xxx.xxx and it has its own adapter (not part of the local ...
1
vote
0answers
952 views

Configuring Reverse SSL to SSL Proxy (preferably using Squid or Apache)

I have been trying to get a reverse proxy up and running for the past few hours for an application that now needs to be accessed publicly. For security and provider-that-blocks-port-80 issues, the ...