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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Trouble Letting Users Get to Certain Sites through Squid Proxy [closed]

We have Squid running on a RHEL server. We want to block users from getting to Facebook, other than a couple specific sites, like our organization's page. Unfortunately, I can't get those specific ...
5
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1answer
5k views

Can nginx listen on port 80, but send upstream to backend using SSL on 443?

For PCI compliance, my application is forced to use a secure/encrypted connection between the reverse proxy server and backend app server, whereas the connection coming into the reverse proxy is on ...
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3answers
36k views

Getting Squid to authenticate with kerberos and Windows 2008/2003/7/XP

This is something I setup recently and was quite a big pain. My environment was getting squid to authenticate a Windows 7 client against a Windows 2008 Server invisibly. NTLM is not really an ...
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2answers
18k views

How to prevent squid from caching and just filter?

I have set a proxy server on my network. I only want to filter the web traffic. So, I have Squid as a proxy and Qlproxy as the filter : http://www.quintolabs.com/qlicap_info.php My server have only ...
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2answers
3k views

Squid Proxy Server: limit total bandwidth

We have a marvellous squid proxy with dansguardian for filetering and they both work just great. Is there any easy way to limit the total bandwidth usage? I'd like to set the max amount of squid users ...
6
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2answers
13k views

How can I cache YouTube videos with Squid Cache?

we're using the Squid cache in our company. Is there any way we can cache YouTube videos? cheers :)
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3answers
8k views

How can I prevent squid from being detected?

I've set up a proxy server on AWS in the US in order to allow me to browse the american internet from the UK, however I would like to hide this so that the reverse end cannot detect I am using squid. ...
3
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1answer
2k views

Squid and Active Directory authentication

I want to integrate a Squid proxy with an Active Directory domain, so that the following is achieved: I can grant/deny access to web sites based on user accounts and/or groups. Domain users don't ...
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1answer
188 views

Can Squid or other open-source proxy server be set up to process HTTPS encrypted traffic? [closed]

I would like to set up a home proxy server which would filter ads and viruses even before they get to the browser. The problem in this case is that many web sites use encrypted HTTPS connections and I ...
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3answers
3k views

How to block Skype using Squid?

Is there a way to block Skype using Squid?
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1answer
385 views

Block HTTPS traffic to only selected sites

The Squid at my office is currently set up as a transparent proxy. I tried to block sites like facebook.com and twitter.com and was successful because just typing in those domains do not default to ...
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1answer
304 views

Running Squid as an aggregating proxy

We've hired a lot of proxies from different providers which are used by our apps. This list gets changed sometimes (once in 2-3 months). To make our life easier we want to configure an aggregating ...
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1answer
548 views

Squid configuration for proxy server

I have a server with 10 ip's that I want to give access to some friends via authentication but I'm stuck on squid's config file. Let's say I have these ip's available on my server: 212.77.23.10 ...
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7answers
17k 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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5answers
5k views

Squid or Other HTTP Caches with SSD Cache Store?

I'm contemplating setting up a squid (or possibly varnish) cache on a system with SSD drives. The obvious benefit is that these systems have great READ speeds and I expect my hit ratios to be fairly ...
3
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2answers
1k views

active directory + squid planning for a large network with over than 7000 users

We have about 1600 active nodes and 6000 students in our network and we have a great Cisco backbone, we have 8 faculties (they have sites and wireless access points) and 10 centers like hospital. We ...
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3answers
2k views

Integration of Active Directory, Squid and traffic shaper (like MikroTik)

We have a large network in our university with about 10000 users. We have an AD and wants to use a Squid server for caching and NTLM authentication. We have 40 Mbit/s Internet too, we are going to ...
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2answers
3k views

The Story of secure user-authentication in squid

once upon a time, there was a beautiful warm virtual-jungle in south america, and a squid server lived there. here is an perceptual image of the network: <the Internet> ...
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2answers
5k views

maximum number of connections Squid

I have a Squid proxy server that controls all internet traffic for my network. I need a way to stop users from downloading big files (say >50MB) in my network. I banned some famous ports (e.g. ...
2
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1answer
17k views

How to configure PFSense firewall with external transparent Squid proxy?

I am using PFSense 2.0 and trying to get transparent proxy to work. As the internal Squid won't work with loadbalancing and dual-wan (and it seems Squid doesn't work at all on the latest build), I ...
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2answers
3k views

Configure apt to use proxy in vagrant box

I'm using Vagrant to setup a virtual machine for testing. I would like apt inside the virtual machine to use a proxy on the host machine to allow caching of all the downloads to persist between ...
2
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1answer
2k views

Squid proxy: how to link inbound IPv4+port to outbound IPv6

I'm trying to setup a squid proxy that will accept multiple inbound connections on one IPv4 across a range of ports, and for each port connection to connect out on a unique IPv6 address. I've named ...
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4answers
12k views

How to block torrent downloads by squid?

I am using linux (RHEL 5) server with few windows xp client machines , I would like to block torrent downloads at clients, I am using squid 2.6 stable. How can i do this by squid ? Is there any ...
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1answer
6k views

Limiting bandwidth dynamically in Squid

In fact my problem is with users who download large files from internet in my network. I have a Squid cache/proxy server in my network that is placed between my network and the Internet. I thought ...
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1answer
872 views

How do I configure Squid Proxy located at a different location to route internet traffic?

I have a Linux box (Ubuntu 9.10) at a different location. I installed squid proxy and tried using that IP and port (opened 3128 at that location) in Firefox. I can't get it to work. My current ...
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2answers
445 views

Squid3 cache limitation?

I'm using Squid3 for its caching capabilities on a bunch of IPv6 addresses. The only thing is, only 128 of them initialize properly, and any more won't connect. Can you think of any settings that I ...
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2answers
1k views

Multple IP routing on Squid Proxy

I have installed Squid Proxy on a server which has 4 IP addresses.eg 192.123.0.10 192.123.0.11 192.123.0.12 192.123.0.13 192.123.0.10 is the main IP. I want to be able to either: Set my browser ...
4
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1answer
3k views

Squid3 not caching larger files

I try to use squid to cache rpm packages fetched from a yum repository. With the following configuration, it works well for a small rpms, but it would not cache larger ones like openjdk. From the log ...
3
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1answer
3k views

Squid with php or perl “url_rewrite_program” on windows

I want to redirect all my http proxy traffic to a perl or php script. I have a working squid setup, and have this in my squid.conf url_rewrite_program "c:\\squid\\redirect.pl" But when I start ...
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2answers
3k views

maximum number of squid proxy connections

What is the maximum number of connections squid can support at a time? There are 5000 users in a campus so how many squid proxy systems will I need?
2
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2answers
5k views

reverse proxy on PFsense, squid or otherwise

I've been trying to get this to work for days now and its not working. After bashing my head against the desk enough times, I've decided to man up and ask. I'm desperately trying to set up a reverse ...
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2answers
2k views

squid: can't connect to peer with tcp_outgoing_address

I encountered the problem with configuration of two squid servers. I have the following scheme - The main idea is to download all files from rackspace and amazon through parent squid and store all ...
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2answers
780 views

Squid proxy refusing to revalidate cache when Vary header present

squid.conf cache_effective_user squid http_access allow all # Squid normally listens to port 3128 http_port 3128 accel defaultsite=localhost no-vhost ignore-cc cache_peer localhost parent 80 0 ...
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1answer
311 views

Caching large amounts of data

We need to cache all psd/zip files from our amazone S3 storage. The amount of the cache between 150-200 Gb (we need to store files at least 2 month). Now we use transparent proxy squid without any ...
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0answers
182 views

Squid caching proxy authentication digest to basic. Is it possible?

I need to setup a proxy server connecting to another one with digest auth. I would like that my server takes the credentials from the user using basic scheme and then sending them to the upstream ...
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1answer
550 views

Squid isn't caching

why am I always getting TCP_MISS:DIRECT? Why isn't Squid caching? 66.55.138.70 - - [20/Oct/2010:14:42:58 +0000] "GET http://alexus.org/egg.gif HTTP/1.1" 200 12001 "http://alexus.org/" "Mozilla/5.0 ...
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1answer
851 views

Is there a way i can see why Squid (Proxy Server) determines why a resources should be a MISS?

I'm using Fiddler/FireBug to debug some of our live server web content. We're getting a lot of :- X-Cache: MISS from X-Cache-Lookup: MISS from :8080 Via: 1.1 :8080 (squid/2.7.STABE3) I thought i ...
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3answers
9k views

Remove X-Forwarded-For header in Squid 3.0

Some months ago I was working with Squid 3.0 and managed to get rid of the X-Forwarded-For header completely. Now I am trying to do the same thing but I do not seem to hit the nail. I have tried ...
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1answer
85 views

I want to proxy only HTTP but I'm not sure what to do with HTTPS traffic

I have a DNS server that resolves all traffic to my Squid server that will proxy all HTTP traffic transparently (it must be transparent or it will drop a invalid url error) which works great. The ...
0
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1answer
376 views

Squid Session User Authentication

I installed Squid Transparent with Session External helper [1]. Then I created a PHP login page and user can login with his UserName, Password. But the problem is that when user login via his correct ...
0
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1answer
351 views

Squid Regular Expression Folder Range

I am building a squid reverse proxy. to balance between 2 servers with different files. Server 1 contains 500 folders ranging from 000 - 499. Server 2 had 500 folders ranging from 500 - 999. I'm ...
0
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1answer
963 views

Dansguardian - Allowing some user to view some websites

I have configured squid+ldap with dansguardian. Now the requirement is all the users should not get all the websites opened. Can I configure dansguardian in a such a way that it should allow only ...
0
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1answer
2k views

winbind and squid problem

I've have squid configured with auth in the AD via winbind now I have wired problems with authorisation I found in the logs interesting string kinit succeeded but ads_sasl_spnego_krb5_bind failed: ...
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2answers
2k views

Squid client purge utility

I've been using the purge utility ie. squidclient -m PURGE http://www.mysite.com/ The above command will purge that exact link but it leaves everything else under it in the cache. ...
0
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2answers
2k views

iptables for transparent NAT

I'm trying to transparently route traffic of one Xen VM through another, like so: ------- 192.168.250.4 192.168.250.3 --------- | VM1 | ...
0
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1answer
1k views

Using squid to anonymize HTTP traffic

I'm trying to set up a SQUID server on Ubuntu to anonymize all HTTP traffic. The goal is to hide the source IP make all the requests appear to be generated from the SQUID porxy. I tried with the ...
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1answer
1k views

How to Setup iptables for a squid proxy with just one HW-NIC

I got a Server with a static ipadress for rent and now i want to setup a transparent proxy on this server. after i configured the squid for testing purposes with the listener "http_access allow all", ...