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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Proxy only certain domain

I use squid as a proxy only without caching anything.How can i proxy only domains in a whitelist.Any other request should be forwarded directly (i.e skip the squid proxy ) not blocked. never_direct ...
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1answer
1k 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
998 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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2answers
2k 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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0answers
7 views

Have Squid send all requests from 10.200.15.71:3128 to my.localdomain.com:80

The purpose of this is all to proxying for remote debugging with Android. It will allow the phone to a locally defined host that's on my machine since I can't edit the hosts file directly on the ...
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1answer
22 views

How to tell squid use Source IP address for sending requests?

I have two interfaces in my ifconfig, eth0 and eth1. Squid is set to accept connections from both of them on port 3000. However, eth0's ip address is always used to send proxy requests, even if ...
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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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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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9 views

squid reverse proxy through https, no cache, no public proxy

is it possible to hide website IP behind squid reverse proxy? I am not interested to use proxy to access Internet, I don't want to use squid to cache or to make public proxy, than just to hide ...
3
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1answer
995 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 ...
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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 ...
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0answers
5 views

Pass request cookies to Squid url_rewrite_program

I am using Squid to rewrite requests and cache them. I have written a squid url_rewrite_program using python to rewrite request. Basic rewriting works well. But most of the requests have cookies ...
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1answer
22 views

how to find out the clients connects to the proxy server in redhat linux

Is there any way to find out the client machines connected to the particular proxy server in redhat linux , i am using redhat linux version 6 and squid configured in it
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3answers
997 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
6k 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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1answer
21 views

accessing another subnet behind proxy

I have squid proxy with dansguardian with ip x.x.1.125 and all computer have this ip as their gateway. Now I need them to access an application on x.x.othernetwork.41 ip. But when I turn on ip ...
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0answers
391 views

Client can not access some HTTPS through Squeeze gateway

I have a gateway (+firewall +proxy) set up on a Squeeze box with 2 NICs. The problem is the client cannot see some of the HTTPS (for example they can go https://mail.google.com but not ...
2
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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 ...
9
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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 ...
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2answers
2k 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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0answers
15 views

Squid3 + HTTPS Authentication issue

I've successfully setup Squid3 to work as a transparent proxy for HTTP and HTTPS, installed the CA on the machines. Everything works OK, but there is this corporation site I work for where Squid does ...
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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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2answers
10k 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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0answers
23 views

HTTPS Content Filtering without de-crypting traffic using squid?

I am attempting to terminate https traffic based on ACLs using ssl_bumping WITHOUT de-crypting the traffic in intercept/transparent mode. Has anyone got this to work before? I have copied my ...
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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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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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1answer
1k views

VPN client blocked through squid server

I have a computer running debian between the local network and the load balancer who connects to the internet. Everything is fine, that computer has a Squid running inside, BUT we have a problem with ...
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0answers
19 views

Squid cacher_peer connection in ssl and HTTPS

I have a Squid server who relay traffic to other Squids servers. I want to encrypt connection between these servers. I use the ssl option in squid. cache_peer OUTPROXYIP parent 1081 0 round-robin ...
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0answers
37 views

Squid stop working,constantly freezes

I'm running Squid v. 3.3.11. I have around 150 active users. The machine physical resources are more than the recommended. I don't use the cache function, so it is turned off. The problem is when I ...
2
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0answers
17 views

iptables configuations for stunnel+squid

I'm building a highly anonymous proxy server with squid and stunnel, and I'm facing a configurations problem on iptables. The server should act like this: browser <-> client stunnel <=> ...
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1answer
2k 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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2answers
7k views

Squid Proxy: url_regex acl is not working?

I am using squid proxy 3.1 in ubuntu machine. I want to allow only urls matching our pattern through our proxy server. I configured acl like below. Acl for dstdomain is working fine. If i access any ...
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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 ...
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0answers
19 views

Squid reverse proxy not able to cache

Not able to cache anything with squid reverse proxy, running in centOS6.5 squid.conf http_port 81 accel defaultsite=example.com:8080 no-vhost cache_peer example.com.ip.address parent 8080 0 ...
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2answers
3k 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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0answers
34 views

How do I make Docker forward a packet from remote when a packet from the dockerhost works?

I have set up a docker container with a vpn. I added another container with a Squid proxy using the --net option, sharing the same network as the vpn. Running a traceroute from within the container I ...
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2answers
48 views

Sample squid.conf [closed]

Is there anywhere to find some squid.conf samples from live installations? Obviously the contents will vary by deployment, but there will be some very common patterns ie windows updates, java, ...
0
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1answer
20 views

SQUID: detect Website name entered by user in browser

I am using squid as an explicit proxy within my organization to block certain websites in my infrastructure. I have successfully set it up using url_rewrite_program and ssl_bump features and its ...
0
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1answer
1k views

Squid forward cache to HAProxy load balancer

I have a farm of Squid proxies set up behind an HAProxy load balancer. I would like to cache data that is returned from the Squid proxies, the architecture I am considering would look something like ...
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1answer
34 views

Point multiple ips to one server

I'm trying to setup a squid proxy on an ubuntu server. I happen to have multiple ip addresses that I bought along with the vps. Is it possible for me to setup the 2 extra ip addresses to point to my ...
0
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2answers
191 views

Integrate Squid Kerberos auth and Squidguard ldapusersearch into AD

I'm having trouble with Squid Kerberos auth and the Squidguard ldapusersearch that I use to apply ACLs by Active Directory groups membership. The problem is : Squid and Squidguard see my user as : ...
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3answers
3k views

Squid via Haproxy

Anyone experienced with configuring Squid to forward requests to HAproxy? I use Squid as a proxy, with ACLs and other stuff, and I need to know if I can tell it to forward requests to HAproxy, which ...
0
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0answers
32 views

Squid proxy ignores delay pool configuration

I have Squid proxy 3.5.13 running on CentOS 7. Everything is working well so far except for the bandwidth limit. I have about 200 users going through this proxy server and I want each of them to have ...
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0answers
25 views

How to block zip files containing executable (exe, jar) using Squid?

Squid Proxy Server is blocking exe and jar files by file extensions and meme type (for http traffic). However, if exe or jar files/programs are within zip files, then it is not blocking. The ...
0
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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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0answers
15 views

Anyone have experience putting up a proxy in a virtual (vmware) environment?

I'm working with a remote system that runs a few virtual machines, these machines communicate with eachother as well they should in their virtual environment. My goal is to acces them remotely, via ...
0
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1answer
21 views

Squid Proxy: 400 Bad Request when “%25” (Percent Sign) in URL

I have a squid proxy that works well except for this issue: If a URL has a %25 inside of it (the percent sign), we get a 400 Bad Request and Bad Request is displayed to the web browser. Example URL: ...
2
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0answers
25 views

SquidGuard holding navigation

This is my first question within ServerFault. So I beg you pardon if the question here is a little out of context or too long. I haven't found anything on the internet so I'm recurring to you. I'm ...
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1answer
39 views

How do I set up squid reverse proxy to use https and http traffic?

I already have a squid reverse proxy working for two test sites. My two sites are www.test1.com and www.test2.com My current working config file looks like this /etc/squid3/squid.conf acl ...