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Questions tagged [squid]

Squid is a FOSS package licensed under the GNU GPL and is primarily used as a web proxy server and cache.

Squid is a FOSS package licensed under the GNU GPL primarily used as a web proxy server and cache.

In addition to its primary usages for web proyying and caching, it supports FTP and has limited support for several other protocols, including TLS, SSL, HTTPS and Gopher.

It has a wide variety of uses, from speeding up a web server by caching repeated requests (reverse proxy); to caching web, DNS and other computer network lookups for a group of people sharing network resources (regular proxy); to improving security by filtering traffic (layer 7 firewall).

Squid's homepage is here, and its Wikipedia entry is here.

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Automatic Proxy Discovery wpad.example.com doesn't work

I'm trying to setup an automatic method for discovery my Squid proxy on the local network, by setting the browsers with "Automatic detection". The proxy is fine and works if I specify the IP:Port manually in the client browsers, also the wpad script…
elmonkeylp
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How does Squid know if it's cache is is validated

In reverse proxy mode, Squid can cache content from websites previously accessed by devices within the network. What happens if the content on the remote site changes in someway, perhaps by a code push? How does Squid know it needs to go to the…
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Squid3 - Cannot authenticate username/password with Mysql

I am testing both authentication with squid_passwd file and Mysql. This is my configuration auth_param basic program /usr/lib/squid3/basic_ncsa_auth /etc/squid3/squid_passwd # auth_param basic program /usr/lib/squid3/basic_db_auth --dsn…
Thai Tran
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squid ssl bump sslv3 enforce to allow old sites

Important: I have this question on stackoverflow but somebody told me this is more relevant place for this question. Thanks I have configured squid(3.4.2) as ssl bumped proxy. I am setting proxy in firefox(29) to use squid for https/http. Now it…
Shrey
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squid transparent proxy https

i hope someone can help me. i have this problem: squid is running as a ssl transparent proxy, and at the moment it's receiving all the traffic with these two iptables rules: iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT…
user3401310
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squid doesn't cache anything at all

I have configured squid for anonymous search and cache proxy. Initially it was working well, after two weeks it becomes slow(loading web page become slow) then again I had to looked into squid. I saw there was updated standard version of squid then…
niren
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Squid makes Internet slow

I have configure squid proxy in our network on ubuntu server. All the traffic being divert to proxy server by Mikrotik router. After I configure squid proxy I changed /etc/squid3/squid.conf as http_port 8080 #changed from default port…
niren
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Squid Proxy TCP_Miss all the time, not caching at all

I've install Squid Proxy via sudo apt-get install squidon 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 all Now I've used this command # tail -f…
jc.yin
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Selective use of transparent proxy on per-connection basis

TL;DR - I'm planning on using an application-level firewall to forward only requests for HTML content to a transparent proxy. So the initial GET request for google.com (for example) that returns an HTML file will be forwarded to Squid (the…
jonathon
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Squid proxy in cent os often disconnected with error : tunnelConnectTimeout(): tunnelState->servers is NULL

I am having very often internet disconnection problem with Squid proxy service. My server config; OS: CentOS release 6.3 (Final) model name : Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz cpu MHz : 1600.000 My Local systems IP range:192.168.2.x…
Elamurugan
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Squid as fully transparent reverse proxy

I have got a few web servers running on my server and I want all of them to be accessible via port 80. I set up squid as a reverse proxy and it works fine. I, however, need the source ip address to be kept when the requests are redirected to the…
tach
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Squid and SSL Reverse Proxy

I'd like to locate a server overseas and run squid as a reverse proxy for our site. Say the site is: eu.website.com This would point to www.website.com through squid. My issue is SSL. I know I'll have to buy a certificate for eu.website.com,…
ChickenMilkBomb
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Squid not resolving a particular URL

I've seen this question asked many times on serverfault (and other places), but have not found a solution. I'm using Squid version 3.1.19 standard Ubuntu 12.04 package. I get the following error in a browser: The following error was encountered…
grepjuice
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BYOD and Google SSL

I run a school network with a BYOD program in place. I have a linux proxy (squid) with content filtering by Mind (fork of dansguardian). Everything works fine over HTTP, the problem is of corse when kids start using HTTPS. My biggest issue is that…
lampwins
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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 caching. So my question: is it possible to…
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