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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Squid Proxy Suddenly Inactive and Unable To Connect

My laboratory is running the squid proxy server. Sometime the proxy is unable to connect while the proxy IP is still can be ping. What i think is that the squid is switch to stop working, but when i ...
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440 views

Is it possible to set up a Squid proxy server that uses SSL for proxy connections?

Is it possible to set up a Squid proxy server that uses SSL for proxy connections? Currently all the stuff I send to Squid are not encrypted and I don't if it's possible to connect to Squid using ...
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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 ...
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1answer
218 views

Squid HTTPS Proxy : How to notify user

I have setup a transparent Squid HTTPS proxy for DLP. I would like to respect user privacy and let them know that their activity is being monitored. How can I notify users about the squid proxy?
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1answer
731 views

How do I get rid of HTTP_CACHE_CONTROL header in squid 3?

I'm trying to configure an anonymous proxy using squid. I've set forwarded_for delete via delete but Squid 3 still adds an other header to the web requests that go through it: HTTP_CACHE_CONTROL ...
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1k views

Squid cache access denied

I'm trying to create an anonymous squid server. I've installed squid with with yum install squid Here's my /etc/squid/squid.conf file: # # Recommended minimum configuration: # acl manager proto ...
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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 ...
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1answer
721 views

squid proxy server configuration

I have installed squid3 server on my remote server (ubuntu 12.04), I would like to use it as proxy server. What configurations do I need to make in order to use it from every computer which has ...
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332 views

Ultrasurf causing huge network latency

We run a small network with a Squid proxy. Over the last few weeks, the network has been slowing down and completely stopping for no apparent reason. We discovered that it was due to some users ...
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1k views

Ubuntu Squid config example

I am using Ubuntu 12.04 amd64 and have just installed the Squid 3.1.19 Ubuntu package. From the Squid Configuring Page, I find that the default config for Squid 3.1 is : http_port 3128 ...
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1answer
851 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 ...
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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 ...
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1answer
537 views

configure squid3 to set up a web proxy in ubuntu12.04

I am in a LAN and have to use a proxy given to access the web in a very limited way. I can't even use google, github.com or SE sites. However I can use ssh to log into a server(also in LAN), which I ...
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2answers
1k views

force applications to use proxy [duplicate]

Possible Duplicate: Force programs that do not specify proxy settings to use a proxy (ie: Steam) Forcing all outgoing connections through proxies I'm studying in the college and I have a ...
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637 views

Centos 5.8: unable to setup squid transparent

I am using Centos 5.8 and using squid 3.1.I am trying to achieve transparent proxy along with another parent proxy server IP. So far I am able to configure the peer_cache settings in squid.conf using ...
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1answer
346 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.
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0answers
391 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 ...
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1answer
890 views

Unable to test HTTP PUT-based file upload via Squid Proxy

I can upload a file to my Apache web server using Curl just fine: echo "[$(date)] file contents." | curl -T - http://WEB-SERVER/upload/sample.put However, if I put a Squid proxy server in between, ...
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1answer
438 views

Squid log to socket

I've got a simple script listening on port 10101 (tcp) on my primary server which is meant to consume the log files of my proxy (which is running on a separate server). Now, my problem is that I ...
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1answer
300 views

Pulling data from squid proxy

As the title says, I want to pull data from my proxy. Background: Recently I've got a surge in the amount of data that has to be saved, and the module I'm running at the moment just doesn't cut it*, ...
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1answer
473 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 ...
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1answer
3k 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 ...
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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 ...
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0answers
314 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 ...
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2answers
2k 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 ...
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1k views

DDWRT, redirect LAN IP requests on port 80 to external proxy server

I'm trying to redirect all port 80 requests on a single LAN IP to an external squid proxy server outside of my network. For debugging purposes, I'm attempting this from the router level as the ...
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1answer
393 views

installing webmin/plesk/cpanel/directadmin on pc on which squid proxy is installed

I am very new to Squid proxy- what I am wondering is, can I set up a hosting control panel like Cpanel/Webmin/Plesk/Directadmin, on the same box that also has squid proxy installed in it? Will there ...
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1answer
7k 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 ...
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1answer
8k views

Squid logs show “TCP_DENIED/407” error

I'm using Squid 3.0 Example: I want to download software from cnet. After launching CNET Download.com Installer, I get an error: Internet connection error We're unable to connect to the ...
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1answer
980 views

Restrict users with regard to their MAC addresses. Is it possible with Squid?

I need to restrict the users with regard to their MAC addresses. Is it possible with Squid?
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361 views

How to set up on-disk cache for a Squid cache server?

I want to build an Ubuntu-based cache server, using Squid, and I need an on-disk cache up to 65GB. How much RAM do I need for this? Is it a better practice to divide the 65GB to 5 or 10GB cache ...
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1answer
567 views

Can Installing a squid 3 proxy server cause problems with my internet access?

I live on a campus that provides Internet access through squid http proxy. We need to authenticate to access the Internet. This means that I can login from only one machine at a time and cannot access ...
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1answer
5k 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 ...
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1answer
609 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 ...
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1answer
5k 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 ...
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1answer
829 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 ...
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288 views

Problem using web ip check with squid

I've got all my web traffic running through Squid using iptables: Chain OUTPUT (policy ACCEPT) target prot opt source destination ACCEPT tcp -- anywhere ...
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907 views

Squid is ignoring my ACL

Second try: I configured Firefox to use the proxy IP and port, and it worked, so my hypothesis is correct: for some reason, the machine where Squid is running don't send to it the incoming petitions. ...
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2answers
7k 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. ...
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1answer
516 views

Squid or Kernel buffer overflow

I am getting this error in squid (which goes away after about 20 seconds but annoys the users to no end) (105) No buffer space available Then if I go to the command line and try and ping I get this ...
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1answer
1k 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 ...
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0answers
817 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 ...
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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 ...
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1answer
591 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 ...
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2answers
962 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 ...
5
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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 ...
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1answer
673 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 ...
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4answers
12k 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. ...
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1answer
649 views

How to block a specific content using squid?

My problem is a bit strange. In Iran there is a famous "access denied page" that redirects you to a strange page with a lot of HTML errors and lol, telling you RTFM about ridiculous Internet laws. I ...
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2answers
2k views

how to use transmission d/l through squid

my squid server is set to use the ncsa module to do authentication. and i can use this proxy with web browsers (IE/FF). i configured my transmission as: "proxy": "my.proxy.ip", "proxy-auth-enabled": ...