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 log has many repeated entries

I'm running Squid as a transparent proxy on my home router, a machine running IPFire. I noticed Squid was maxing out the CPU and causing poor network performance, so I looked at the log. I'm seeing ...
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9 views

squid force disconnect open connections on reload acl

I try to make a admin website, which control access to the internet. When I allow access on this site to a client ip, the site write this ip in a acl file and reload squid. This works fine - access is ...
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16 views

Can I used squid proxy, set-up in vCloud Air, in AWS instances?

I have a squid proxy set-up in vCloud Air, which I now wish to use in AWS EC2 instances. I was thinking to create a security group using those proxy details and spin up an EC2 instance using that ...
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19 views

Squid for Windows - Basic Authorization but denied access after username and password is entered

Im using squid Version 3.5.20 built with Cygwin with installer 1.3.5.20 Diladele Im no expert and have tried for many days now to get this to work with no success and its probably just a silly error. ...
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3answers
65 views

Best practice for proxying package repositories

I have a collection of CentOS servers in my corporate network. For security reasons, most servers do not have general outbound internet access unless it is a core functional requirement for the server....
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1answer
1k 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
1k views

Encrypt client connection with squid forward proxy using SSL

I'm setting up a Squid forward proxy and I'm wondering if I could configure Squid in such a way that the connection from my web browser to squid is https regardless of whether the connection from ...
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1answer
4k 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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3answers
3k 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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1answer
2k views

Linux webfilter with LDAP SSO authentication

I'm looking for a self-made linux proxy/webfilter server and stumbled upon several products. (squidguard, dansguardian, ..) I found Privoxy the most appealing. Now I went searching on the internet for ...
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1answer
7k views

Squid: what does TCP_MISS/504 mean?

I use squid to set up a proxy but the access.log shows thant the status is TCP_MISS/504 thanks
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12 views

Global Adblock using CSS and squid [closed]

I'm currently using squid as a transparent caching proxy with ACL's to provide a global Adblock for my network. Right now the ads get blocked just fine but it leaves the placeholder behind. I was ...
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20 views

Transparent Proxy on External Server (not on client network) [closed]

I am trying to setup a transparent proxy that is not on the same network as the client. I am using centOS7 with squid as the proxy, squids transparent proxy seems to only work on the same network as ...
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2answers
4k views

Squid3 'The proxy server is refusing connections'

Whenever I try to connect to my Squid3 Proxy server, I get the 'Proxy server is refusing connections' error. Here's my config: #Recommended minimum configuration: acl manager proto cache_object ...
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1answer
16 views

Squid caching issues

I'd like to create a cron job that will delete our squid cache and restart it. The reason I'm doing this is because when I upload a new build javascript code to our webserver, when I browse our app in ...
2
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0answers
42 views

Squid3 WCCPv2 with ASA not working

So I have begun the awful adventure of getting Squid 3.3.8 working with my Cisco ASA 5520 (9.1(5)). I think the problem is that the traffic is getting to the squid box but it is either not getting to ...
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1answer
1k views

Limit number of simultaneous connections squid makes to a single server

Note: I am asking about outbound concurrent connection limits, not inbound, which is sufficiently covered on existing questions Modern browsers typically open a large number of simultaneous ...
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2answers
2k 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
1k views

Squid 3.2 - Proper configuration for random outbound IP with a single user authentication?

I'm attempting to use AclRandom for Squid 3.2 and I think I'm a bit confused on the proper method for this. Here is my configuration: http_port 3128 auth_param basic program /usr/local/squid32/...
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1answer
2k views

ssl_crtd helpers are crashing too rapidly in squid

I am using the sslBump and Dynamic SSL Certificate Generation features of squid, below is my configuration for the sslBump sslcrtd_program /usr/lib64/squid/ssl_crtd -s /usr/local/squid/var/lib/...
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2answers
3k 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
3k 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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3answers
1k views

Squidanalyzer error

I installed squidanalyzer-5.4.tar.gz, following this tuto http://squidanalyzer.darold.net/install.html and setting as recommandation but when I run http://testserver.com/squidreport I get error below :...
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1answer
1k views

Squid3 CONNECT imap.gmail.com:993 TCP_DENIED:NONE

I have the following configuration under squid.conf. However, when my Blackberry email client attempts to fetch new emails, etc. Squid access log show the following error: imap.gmail.com "CONNECT ...
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14 views

Configure Squid to pass througt SSL traffic for specific hosts instead of intercepting it

I'm currenty using squid on a pfSense box to intercept SSL which works well. The problem now is that WhatsApp Web will not work throught this proxy because it does not hold up to the Handshake ...
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328 views

Setting Up Squid Proxy Server With A Different Gateway

I have a problem in my networking study. There's a network that has 192.168.0.1 as the router gateway. All of the client's PCs are in a same network (used IP are 192.168.103-110). And then I want to ...
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5 views

squidguard overloads /var/tmp with cache file and runs out of space

I am running squid 2.7 & squidguard 1.5-1 debian wheezy. I have noticed so many times, my box runs out of the space just because of /var/tmp eats up all of the space creating chunks of files like ...
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1answer
1k views

how to configure squish for squid proxy server

Since this question is related to server, also for ubuntu, so i am little bit confused for where to ask this question. SO i decided to ask this question on serverfault. I am currently using squid ...
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1answer
2k views

squid + pfsense user authentication

I'm having a very strange problem with squid 3 and pfSense. Since I'm using a community created squid3 package for pfSense I'm not willing to rule out the possibility that it's a bug in the pfSense ...
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0answers
15 views

how to fix proxy squid on virtualmin (ubuntu 16,04)?

Can someone tell me what should I do to fix on "this must be done before squid can run"? I don't know this error. for more detail, I like you visit my /etc/squid3/squid.conf file: pastebin.com/...
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1answer
54 views

let's encrypt certificates vs squid transparent proxies

I have an issue with setting up a transparent Squid proxy on a pfsense firewall. I created a CA for HTTPS MITM, installed it in my browser and it works with most websites. However sites like ...
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1answer
1k views

get Squid proxy server authentication type from local client

Just like the title is: Is there a way to get the authentication type of a squid proxyserver from a client in the local network? Im using debian UPDATE 1: HTTP/1.1 407 Proxy Authentication ...
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1answer
1k views

Squid proxy keberos active directory authenticate

I'm using ubuntu server 14.04 with a Windows 2008 Server which has Active directory and the DNS role setup for this task. I've setup the domain correctly as far as I can make out with Pbis-open with ...
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1answer
83 views

pfsense(2.3.1_5) Squid transparent proxy redirects internally hosted sites from http to https

I'm having an issue with Squid's transparent proxy on my pfSense firewall. My company hosts an internal git server at the following address (for example purposes) http://git.gitserver.com/. From our ...
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2answers
11k 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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66 views

Squid reverse proxy with multiple SSL-certificates via SNI

Does squid Proxy Server offer the possibility to supply multiple SSL certificates to it? I have a server with various virtual machines running Apache web servers for different customers. As an ...
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2answers
4k views

iptables block client ip internet access and keep LAN access

With the increase of appliances having network access and the potential for hacking, I want to block specific ip address from accessing the internet, but allow LAN access. For instance, I use a ...
4
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1answer
2k 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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1answer
4k 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 key=/usr/local/etc/...
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2answers
8k 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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0answers
8 views

selinux with nfs share how to allow different processes to write

We have a server with an NFS share for all storage stuff. Many processes should have read/write access to this share. For example: squid httpd ejabberd other self written For this question I used ...
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1answer
1k 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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1answer
92 views

How to properly setup squid3 as HTTPS proxy?

I am trying to setup squid3 as an HTTPS proxy using the tutorial given here. I have properly setup the proxy settings in my browser and when I try to hit HTTP web sites, I am able to connect ...
3
votes
1answer
1k views

Macs behind a proxy, using squid for SSL and HTTP traffic

There appears to be an NTLM bug in OSX in how authentication is handled with our corporate proxy. On several Macs (and iDevices) Safari, iTunes, Software Updates, AppStore etc all crash when they ...
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17 views

How to force persisten connection squid

How do I make a persistent connection in squid, I'm using ubuntu 12 with squid 3.1.19, this is the request I do OPTIONS http://cmsprod.imusica.com.br/index.php HTTP/1.1 and response: HTTP/1.0 200 ...
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3answers
5k views

Allow Facebook access only in specific hours of the day with squid

I've been able to install squid on my Ubuntu Server with basic authentication and everything works perfectly. Recently the boss asked to block facebook access and I did it with no problems. Now it ...
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0answers
57 views

Squid proxy behind Haproxy

In my configuration, I use Haproxy mainly for reverse proxy. I installed Squid Proxy in my private lan and I can access it from external with port 3128. But I use the basic authentification ncsa and ...
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35 views

Squid 3.5.19 (Ubuntu Server 16.04 LTS) in communication OWA 2010

I have a problem with my new Squid (V. 3.5.19) on Ubuntu Server 16.04 LTS (self compiled with SSL support) and my Exchange 2010. When somebody log in to the owa access the user can't use an ...
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0answers
14 views

Squid With Multiple IP

I have a problem with my SQUID. I have multiple IP on the host machine and let us just call them 111.222.333.100 and 111.222.320.34 Everyone can connect to the Proxy as long as he got the correct ...
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3answers
4k 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 ...