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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How to select the best parent server automatically?

I have configured a squid proxy server which has many parent servers. I have distributed the load using round-robin but I don't like it. Most of the time only one or two servers are working out of 5.I ...
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22 views

iptable with transparent proxy, how to pass the user IP

I have a local transparent proxy, but my problem is that the packages, when re-routed, have the router IP and not the user. those are the rules that I currently have in place: iptables -t nat -A ...
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1answer
17 views

Squid Forward Proxy on Cloudflare

Is it possible to set up a forward proxy using Squid and still have Cloudflare CDN working? For example, I currently have Squid running on Ubuntu, with this being the squid.conf file. acl myhost ...
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23 views

Machines disregarding default gateway

Our gateway is a router which redirects all browsing traffic to a proxy server (Ubuntu 14.04.3). Proxy server then process and sends the traffic back to the router through a different interface. Proxy ...
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7 views

tcp_outgoing_address: cannot connect to website [migrated]

I have a LinuxMint running in a virtual box. I have installed a squid3 proxy server and it is working. However, if I want to add a tcp_outgoing_address it is not working. I am using the default ...
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16 views

Squid GET request returns incorrect content type when using transparent mode

I'm trying to establish the cause of a strange issue with mobile device that goes through a Squid 3.3 proxy on CentOS 7 using transparent mode which is not able to access news content within the Bing ...
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16 views

Squid option equivilents in nginx

I am trying to move some caching over to nginx from squid and I'm having some issues replicating some options. I have these options on one of my squid patterns ignore-reload ignore-no-store ...
3
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1answer
53 views

Squid running out of filedescriptors on CentOS 7

I'm running Squid 3.3 (EPEL) on CentOS 7 and recently I have been getting the following error message in my cache.log WARNING! Your cache is running out of filedescriptors I am slightly confused by ...
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1answer
17 views

APT-GET behind a proxy with Digest Authentication

I'd like to use apt-get (and other ubuntu tools) to download software and keep it updated. Unfortunately, my company has set a squid proxy to accept digest authentication only. I've seen somewhere ...
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43 views

Squid authentication helpers

I set up squid with authentication helper following along the line the guide here http://www.freesoftwaremagazine.com/articles/authentication_with_squid the only difference is that my users together ...
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15 views

squid_ldap_group library missing

I am testing my squid-Active Directory connection. I need to use the squid_ldap_group library, but when I execute the test I have a 'library not found' error. This lib and others for authentication ...
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1answer
49 views

Configure Squid Proxy Server to use TCP for DNS lookups? [closed]

Is there a way to configure squid 3.5.1 to use TCP for DNS lookups? I've setup up the proxy server to use TCP for lookups by adding "options tcp" to my /etc/resolv.conf, but squid seems to be doing ...
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9 views

Squid3 storeurl_rewrite_program

I am trying to use squid3 to cache some resources. These resources are available as follows server.com/res/123/?tok=asdy1283asd where tok is a one time access token. I need to cache this but due ...
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21 views

connecting webmin console to remote squid proxy server

I have a Squid proxy running on windows 2008 system. I have another linux machine where i have installed webmin. Installing webmin on windows is a pain and require perl module thus i installed it on a ...
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0answers
25 views

Make a basic auth client authenticate on a digest auth proxy server

My company has a legacy application which needs to connect to the Internet. Unfortunately, our network staff has changed the proxy settings in order to accept digest authentication only, which this ...
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1answer
57 views

Prevent squid forwarding twice with transparent and non-transparent setup

I'm running squid in a small network. I've setup a couple of squid listening ports for different scenarios: http_port 3128 - This is will be pushed to Windows clients via domain policy, with the ...
1
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1answer
67 views

Creating an SELINUX allow rule for sockets error with clamd

I've got a CentOS 7 box configured as a Squid proxy, with clamav and Squidclamav. Normally I would just disable SELINUX, but I am attempting to understand and setup allow rules properly. I've managed ...
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25 views

Squid3 working from external network but getting random timeouts from internal network

I am using Squid 3 as a reverse proxy. It is working fine from external network, but when I make the same request from internal network, des request ends up in timeouts sometimes. Let me explain my ...
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32 views

Squid proxy unable to use LDAP/S on CentOS 6

I've configured Squid proxy to authenticate against Active Directory. With plain LDAP, everything works as expected. However, when I try to use LDAP/S, I get these error messages: p11-kit: couldn't ...
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1answer
85 views

How do I use Squid to redirect an incomig request to another host?

I'm trying to integrate an internal GitLab installation with a Slack incoming webhook but I have a problem, the machine where GitLab can only access other machines in the same network. I have VM which ...
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24 views

transparent option for http_port causes error in Squid3

When we have http_port 3128 in squid.conf, the Squid proxy works OK but is not transparent. However changing it to http_port 3128 intercept causes an error Access control configuration prevents your ...
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2answers
158 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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50 views

DNS Based Load balancing on squid - odd issues

I'm attempting to do round-robin DNS based load balancing for two squid boxes running as simple HTTP(S) proxies. For testing I'm using AWS Route 53. To simulate round-robin I created two records ...
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1answer
67 views

Unable to stop Squid3

When trying to stop squid3 that is running off a docker image jpetazzo/squid-in-a-can, I am unable to stop squid! root@myserver:/# service squid3 stop [FAIL] Stopping Squid HTTP Proxy 3.x: ...
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12 views

Stop proxy authentication from modern browser allow from command line

I have squid Version 3.1.10 installed and configured authentication with the auth mechanism ncsa_auth. Is it possible to not allow a modern browser to auth should a user try and access the internet ...
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63 views

Office 2013 and squid whith NTLM authenticate doesn't work

I have a Squid 2.7STABLE9 on a Debian and everything works except the office 2013 pack : Word, Excel, Outlook ... For all, I made a rule on Squid conf as it explaine here and it look like it doesn't ...
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186 views

squid 3.5.3 with ssl bump

I have configured squid as transparent proxy with ssl bump configuration and using store id to cache youtube Squid 3.5.3 Ubuntu 14.04 Issue is my http sites are working but I cant see https website ...
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1answer
167 views

Squid server issues after upgrade (Ubuntu 14)

We have upgraded a squid proxy server from a previous version of Ubuntu (Can't recall what it was sorry) to version 14.04.2. Now it appears Squid will not start / VM's can not reach internet through ...
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20 views

How to log only certain result/status codes with Squid?

By default Squid logs all access information including 'successes' and 'failures'. I'm interested in logging only 'failures'. In other words, I want to do something like log only Squid DENIED result ...
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1answer
84 views

NAT routing based on DNS name (reverse TCP proxy?)

Introduction I have one router, running pfSense (can be anything since it's a virtual machine on VMware, so if the solution requires anything else, that's fine by me) and behind it I have multiple ...
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33 views

How to reuse same digest authentication credentials with multiple acls?

I want to apply different access policies to different groups/acls using Squid, which is what I've done. Now I want to set up digest authentication, but I want to use the same digest credentials for ...
2
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1answer
77 views

How to establish new connection through proxy using Squid in Python script? [closed]

I am new to networking and proxy. For a project I need to give a proxy connection. I already have a connection and I want change the connection behavior of the process to connect through that proxy. ...
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1answer
31 views

Netfilter : invalid state for proxy through VPN

I have an OpenVPN between my box A, and the remote server B (both Debian jessie). On server B, I also run Squid3. I then configure my A-browser to use the remote proxy with the VPN address of the ...
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123 views

Squid blocks automatic updates - antivirus and java

I have Squid3 configured as a transparent proxy on a linux server. I am trying to allow automatic updates of windows (currently disabled), java and antivirus programs to pass through. The automatic ...
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22 views

zph obsolete in squid3

I am trying to set up a squid3 server with a Mikrotik router. I want to enable the cache hit but the zph_mode, zph_option and other settings are obsolete. Following the release notes I noticed that ...
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23 views

url_rewrite_program in squid doesn't work

I configured the squid so it redirects to yahoo.com when it requests for google.com. However, this line of configuration is just ignored and is not working. Any suggestion? squid.conf ...
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19 views

configure squid to support content filtering feature

Is there a way for squid to add/replace any string in the web response like below <body> =>>> <body>this is an added text by squid
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104 views

configure NGINX to work with squid

I have squid running on one server(192.168.29.246) with sslbump enabled. I configured nginx(192.168.29.245) in the other server and i want it to work in front of squid. However, only the ...
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26 views

squid setup with sslbump not working

I configured squid for both http and https traffic. The http traffic works fine. However, the https traffic doesn't work and i already get "err_empty_response" when accessing https websites. Any idea? ...
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18 views

Squid do not log proxy error

How to configure squid to not log errors? I tried: acl respError rep_header X-Squid-Error .+ log_access deny respError But I got this warning: ACL::checklistMatches WARNING: 'respError' ACL is ...
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19 views

Squid log auth method

Is there any way to log the authentication method of a client request to squid proxy? I have 3 methods: - negotate (kerberos) - ntlm - basic But in squid proxy logs (access log) I can not see this ...
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1answer
116 views

Squid3 blocking all sites except restricted sites

I have a configuration file and in the lines where I have my allowed and restricted sites, I have the following: acl AllowedSites dstdomain "/home/john/squid3_sites/allowed-sites.squid" acl ...
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1answer
90 views

bind squid and apache for pac file

EDIT It was some interne rules on FW, sorry for the inconvenience and thanks for your advices I have a server with Squid (2.7.STABLE9) on a Debian (Wheezy 7.1) and I add an Apache2 (2.2.22) for ...
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1answer
59 views

How to set up iptables on a gateway that also hosts Squid proxy?

I have a computer that serves as: a) a gateway between a wireless network (WLAN0) and a LAN (ETH0) connected to internet b) a Squid3 proxy server that does only web filtering (no caching) I have ...
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0answers
23 views

Microsoft Outlook MAPI Decoding

I want to capture Microsoft Outlook Desktop 2013 network traffic with a proxy (Squid). I do see the traffic, but the request and response bodies are not human readable, though I can read the request ...
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150 views

Setting up SQUID 3.5 with SSL Support

I’m setting up a SQUID 3.5 server with SSL support and managed to successfully configured HTTP with SQUID proxy. However, my HTTPS connection is not working. SSL configuration was carried out using ...
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53 views

Squid Proxy 3.1: Squid generated FTP directory listing in browser results in corrupted txt files

Environment: We use squid proxy 3.1.12 on SLES 11 (its the latest suse supported squid release). Problem: When a ftp page is loaded via a web browser, e.g. with the URL ...
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1answer
359 views

Centos Squid Proxy Server for Windows Updates

I'm running Centos 7 as my OS and have installed squid to cache windows updates for my company. Going through the log file, it shows that everything is tcp_miss, including when it's accessing the ...
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1answer
124 views

glype proxy script with squid optimising web Delivery

I'm trying to utilize squid : Optimising Web Delivery with Glype® Proxy Script. include/init.php (Custom browser - set up defaults): if ( ! isset($_SESSION['custom_browser']) ) { ...
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2answers
115 views

Block https by mac address. Squid or iptables

I want to block web access (http and https) to certain mac addresses. I was able to do this for http using squid but it still lets https sites through. acl denylist arp "/etc/squid/mac-deny-list.lst ...