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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1answer
123 views

Squid loads webpages incorrectly

I'm trying to configure my VPS server to work as a simple HTTP proxy. I insatlled Squid 3.3.8 on CentOS 7.1.1503 and configured basic authentication with the ncsa_auth. Although the whole scheme seems ...
1
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43 views

Remote (Ubuntu) server as http gateway to multiple socks5 proxy servers

I have the following setup: Computer L (my Mac OS X machine). Linode R0 running Ubuntu 12.04. Linode R1 running Ubuntu 12.04. Linode R2 running Ubuntu 12.04. R1 and R2 are turned into SOCKS5 proxy ...
1
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1answer
71 views

squid crashes when connecting to facebook

I'm using squid to build an http proxy server. It works well until I tried to connect to https://www.facebook.com/ on my client (Mac OS X 10.10). Every time when I try to connect to Facebook, an ...
0
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0answers
120 views

How to get Squid to completely cache certain web pages so that they are available offline?

Note that I said web pages, not sites. I'm testing the Squid server with the default configuration settings. My browser is Iceweasel 31.4.0 with the following proxy settings HTTP Proxy: 127.0.0.1 ...
0
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0answers
58 views

Squid3 configuration for Round Robin pages

We use squid3( on Debian 8 as a proxy in front of a network to allow application servers access to HTTP(S) resources. We just found out that with the current configuration, squid3 will have enormous ...
1
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0answers
73 views

Squid ACL with IP in Header

I've got a pool of Squid proxies being accessed via a Loadbalancer. The loadbalancer can inject a HTTP Header with the 'true' client IP. How do I create an acl which checks the IP within a header ...
2
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1answer
326 views

Iptables rule to block ip range for a specific string (works sometimes)

After a two week search and read I ended up with this iptable rule that blocks youtube (as string) to an ip range in my office network. iptables -A FORWARD -t filter -m iprange --src-range ...
1
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1answer
175 views

Squid cannot send UDP messages to syslog server

I'm migrating my old Squid (2.7 in Debian 7.8 to 3.1 in CentOS 6.6) I need to send logs to a syslog server located into another machine I added the following config to the new server logformat ...
0
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1answer
292 views

Iptables forward port 80 to remote squid

I have server A with IP 192.0.2.2, which does not have a connection to the internet so it must pass all internet http traffic to a squid proxy on server B with ip 192.0.2.3 listening on port 8080. I ...
0
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1answer
68 views

Ubuntu as router with squid

What i bassically want to do is use an ubuntu machine to act as my router but with squid to block some addresses. But i don't want to change user network settings. Explanation: Current configuration ...
1
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1answer
112 views

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 ...
0
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3answers
239 views

iptables with transparent proxy, how to pass the user IP

I have a local transparent proxy, but my problem is that packets, when re-routed, have the router IP and not the user. These are the rules that I currently have in place: iptables -t nat -A ...
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1answer
169 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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0answers
81 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 ...
0
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0answers
135 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 ...
1
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0answers
21 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
votes
1answer
401 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 ...
0
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1answer
105 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 ...
1
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0answers
69 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 ...
0
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0answers
94 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
86 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 ...
0
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0answers
83 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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0answers
70 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 ...
2
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0answers
97 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 ...
0
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1answer
281 views

Prevent non-intercept Squid traffic being tagged by Policy Routing

I've re-edited the original question, because I have changed the setup since the original answer, which was for NAT based setup. NAT is no longer being used and has been replaced with TPROXY for IPv6 ...
1
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1answer
290 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 ...
0
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0answers
37 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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0answers
79 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 ...
0
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1answer
478 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 ...
0
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0answers
49 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 ...
0
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2answers
3k 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 ...
0
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0answers
118 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 ...
0
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1answer
275 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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0answers
15 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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0answers
260 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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0answers
485 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 ...
1
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1answer
2k 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 ...
0
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1answer
201 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 ...
0
votes
1answer
210 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 ...
0
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0answers
84 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
votes
1answer
312 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. ...
1
vote
1answer
36 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 ...
0
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0answers
407 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 ...
0
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0answers
60 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 ...
0
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0answers
53 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 ...
0
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0answers
29 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
0
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0answers
610 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 ...
0
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0answers
62 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? ...
0
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0answers
68 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 ...
0
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0answers
28 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 ...