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 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 ...
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3 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
21 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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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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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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19 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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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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16 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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36 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 ...
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17 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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29 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 [on hold]

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, ...
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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 ...
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1answer
33 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 ...
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31 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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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 ...
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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 ...
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1answer
19 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: ...
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22 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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31 views

CentOS + IPTables

I am trying to setup a CentOS 7 server with Squid as a proxy server. The proxy server is strictly private and doesn't need to be available to anyone other than myself and other 2 servers, therefore I ...
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1answer
35 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 ...
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1answer
23 views

Configure squid to forward ftp requests to ftp server on some other machine

I have installed squid proxy servers and vsftpd FTP server on 2 separate VMs. How can I Configure squid proxy servers on machines-A (where squid installed)to forward ftp requests to machine-B (where ...
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25 views

Cache domain GET requests using Squid

I'm trying to cache requests to remote package repository, so I can access it without internet connection. All calls are via http GET to remote repo. iptables entry to redirect requests to proxy ...
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1answer
56 views

Squid 3.5: Preventing forwarding loop in intercept mode

I have set up a router and an intercepting HTTP squid proxy on different machines. Clients should use the proxy (without knowledge) in the following way: Client -> Router (DNATing to proxy server) -> ...
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1answer
59 views

Transparent HTTP/HTTPS domain filtering proxy [closed]

I want to set up a transparent HTTP/HTTPS proxy to filter outbound requests based on destination hostname (domain). The proxy itself should be non-intrusive and just forward traffic, not ...
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1answer
38 views

Squid never caching files using dnf

I'm attempting to set up a local repository cache for dnf. The idea is for one machine on the network to download a package, then any other machine on the network attempting to acquire the package ...
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31 views

HTTPS web filtering issue in endian

I am running endian firewall latest version and setup the web transparent proxy with enable the https filtering and installed the certificate in the client system. If i enable the https filtering then ...
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5 views

Squid : different acl for different kind of authentication

I am using a 2.7 Squid stable 9 with NTLM authentication. But with some tools (like adobe cloud), the connection use Basic auth param, which is not configured in my squid.conf. So I would like to ...
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21 views

Squid forwarding to proxy in https

I've installed latest squid on Ubuntu server 14.04, my goal is to forward the entire traffic come from squid to 3rd side proxy. Client -> Squid -> External Proxy i managed to do it with cache_peer ...
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1answer
33 views

SQUID Cache version 3.5.10 for x86_64-redhat-linux-gnu

I have searched far and wide but now I need to ask for help. I have a few squid servers that need an IP address change. Since the address change I get the following in the log files when I start ...
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21 views

Squid with NTLM auth behind Netscaler

my task is implementing a squid proxy that allow all my authenticated (windows AD) internal users to surf internet without any credential request (pop-up). Plus, i created two squid nodes and put ...
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1answer
50 views

Squid Proxy timing out on Public Interface - Packets getting lost on port 3128

Partial Solution Turns out that traffic on port 3128 was getting lost on the way to my VPS. I am not sure if this is Linode blocking this port, or if it is something in the between. (I have used this ...
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1answer
36 views

Squid Reverse Proxy with multiple WAN-Interfaces

I'm having the following setup: two WAN-Lines, each with a static public IP, both connected to a separate router, providing two internal networks (net1 and net2) one Ubuntu 14.04 LTS server with ...
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46 views

Chrome/IE proxy pac issue

I created a simple proxy.pac file and I put it on one of my webserver. This proxy pac file tells browser to display all internal resources and all https resources "DIRECT" and use a proxy for all ...
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14 views

Why am I not getting a login prompt when using basic authentication with squid3

I've just installed squid3 and tried to set up basic_ncsa_auth. I've got the following directives in my squid3.conf file: acl allcomputers src 0.0.0.0/0.0.0.0 auth_param basic program ...
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1answer
57 views

Would it make sense to have Squid running behind a high latency WAN?

We have a satellite uplink connected to a PFsense router. Our connection has a latency of +- 750ms. Would it make sense to configure squid to cache much data to improve loading times of websites? I ...
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3answers
50 views

Squid kerberos authentication no popup

I configured squid to use kerberos authentication but when I'm trying to use proxy with browser i don't get popup in browser with ask for user and password - just access denied cos of no ...
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1answer
26 views

Is it possible to expose pipe file from docker container?

Docker assume one container for one application. I have two apps (samba and squid) what talk to each other with pipe file. Is it possible to expose or share this pipe file between two containers?
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3answers
129 views

squidguard not blocking https sites.

Trying to get squidguard to block https sites. Setup. ( This is the basic config http://thejimmahknows.com/proxy-wccp-cisco-asa-squid-3-4/) Server running centos 7. squid + squidguard installed. ...
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1answer
56 views

Squid and delay pools: rep_mime_type, https

I'm struggling with squid delay pools. The documentation I found is very poor and on internet there is contradictory and possibly surpassed information. First question: acl aclname url_regex -i ...
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2answers
92 views

It is possible to configure Squid with authenticated and not authenticated users?

I need to configure two types of access in Squid: Users with privileges (AD authentication) to access audio-video and social networking sites; Users without privileges, just few sites I'm using: ...
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33 views

Questions about squids transparent proxy

I'm doing a squid3.5 versions of the construction of the transparent proxy, squid3.5 version without the use of transparent to configure transparent proxy, my hosts file in Windows I'm going to visit ...
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1answer
33 views

Caching large files transparently over HTTP

I have a rather peculiar server set up to work with: I have files stored on an HTTP accessible server (Windows Azure Storage - about 800gb of content) but must serve them to people from a different ...
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64 views

Squid reverse proxy redirect / rewrite HTTP to HTTPS

My Squid Reverse Proxy only accepts HTTPS requests. What is a short way to redirect/rewrite a HTTP-request to https? So if the user visits http://foo.server.com he should be automatically redirected ...
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43 views

Squid reverse proxy with SSL to client

I'm building a reverse Proxy using squid which should redirect https request to a http webserver. so something like this: Client <--- SSL ---> Squid Proxy <--- unencrypted ---> Web ...
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182 views

certificate issue in squid3 on pfsense

I am using pfsense latest version and installed squid3 with Transparent HTTP Proxy and HTTPS/SSL interception with squidguard but many site are not open and getting below errors. (54) Connection ...
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1answer
101 views

Whitelisting outgoing traffic from docker containers

I have a server running multiple docker containers in the following configuration: One of the containers is a reverse proxy binding to the exposed ports of the other containers. This is the only ...
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150 views

PFSENSE - Squid - Transparent Mode not working correctly

I am having this weird problem with squid (both squid and squid 3). After installing, i forwarded all my traffic from mikrotik in port 3128 but the requests seemed to fail. After researching I noticed ...
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6 views

how much traffic a ram of proxy server can hold at a time [duplicate]

I'm planning to create a proxy server using Squid in Centos. My VPS proxy server has port of 1 GB and a ram of 512mb. I'm wondering in a stable and normal network how much traffic whould make server ...
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22 views

using FTP over proxy Squid with NTLM auth

I have a Squid 2.7 STABLE9 proxy on a Debian and I have allow 80, 443 & 21 port to my user (user have windows PC). When a user go throught my proxy, he have to authenticate himself with NTLM ...