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 NTLM authentication started to fail

I have a squid server authenticating against a Win2k3 AD. The authentication is failing since today and I'm sure it is something on the windows side because on the linux machine there were no ...
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1answer
21 views

Can squid work as reverse proxy server for ftp, pop3 and smtp [on hold]

OS is Ubuntu 14.04 Can squid work as reverse proxy server for ftp, pop3 and smtp? I need a server can work as reverse proxy server mode to proxy the http and ftp. I configure quid3 but I find it can ...
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12 views

Issue when redirecting http port to dansguardian using squid and ufw on ubuntu [on hold]

I have an ubuntu server with two interfaces, p1p1 and p1p2. p1p1 faces my WAN and plugs into my modem. p1p2 faces my LAN and plugs into a TL-WR841N with open-wrt configured to bridge the lan and ...
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14 views

Squid3 Reverse Proxy - Force Cache and Suppress Version

I have been using pfSense for about 2 years now and I love it. One of my favorite features has come to be Squid2 and Squid3. Right now I am using Squid3 to run both proxy and reverse proxy. There are ...
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1answer
43 views

How to Force Client To Browse Internet Through Squid Proxy

I am using Windows Server 2012 in which i have share internet throw NAT to secondary lan card using Routing and remote service and now the problem is that when my client are browsing through proxy ...
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0answers
21 views

Squid proxy with multiple outgoing IPs

So I have a server and it has multiple IP addresses so I was wondering how to set it up so that: client (192.168.0.5) -> 10.0.0.1 (squid proxy) -> Website (displays 10.0.0.1) client (192.168.0.5) -> ...
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1answer
35 views

transparent proxy (SSL error)

Right now we are having transparent proxy in our network environment. we have been set proxy settings to browsers in all systems. While accessing the https sites in browsers no issue but few of ...
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1answer
33 views

Squid problems with iptables

I've installed and configured Squid on Fedora Server 21 with full updates. My proxy's IP is 145.130.33.133 with port 3128. First I modified my squid.conf with my rules and everything. On my laptop ...
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1answer
45 views

Squid SSL intercept works for most google sites but not www.google.com

I am able to access pretty much all of Google's .co.uk services now that I have configured squid to use SSL. I can also view my certificate information in the certificate being presented by Google. ...
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3answers
53 views

How to route all local trafic to Squid?

I have a working squid caching server which is accessile through 127.0.0.1:3128. I'm trying to route all my trafic(and if possible all my virtual machines) to 127.0.0.1:3128. I'm using vagrant and ...
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49 views

Squidman http_access block sites does not work

I am running a Squidbox on my home Mac Mini Server. I am running it as a transparent proxy forwarded from my Asus Tomato RT-N12 router. The proxy so far can cache all the connection forwarded by the ...
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56 views

Hide squid in the header

I have a squid server installed, and I'd like it to be hidden when looking into the headers. First of all, I was getting both squid and the version on the headers: curl -i ip_address HTTP/1.0 400 ...
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21 views

multiple OUs in LDAPSearch

When working with Group ACL in PFSENSE+SquidGuard: In the Client-Source parameter, can I place OU and how? This is because I'm having multiple OUs with users to be added in the rule. Would the ...
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0answers
46 views

Port 5228 on squid proxy server

I am using squid. I am trying to use the service for whatsapp which lies on port 5228. I wish to intercept 5228 for logging purposes. I already intercept 80, 8080, 443(ssl bump) on squid and it has ...
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0answers
19 views

Squid cache everything for ever [migrated]

I'm running OpenSUSE 13.2 and installed squid via yast. I want to cache everything on my localhost, web pages, ISO, distribution packages. The problem is that my /var/cache/squid directory stays ...
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1answer
77 views

Pfsense edge firewall .. DMZ … pfsense internal firewall + squid

i want to setup Pfsense on edge .. DMZ .. Internal PFSENSE with squid + squid Guard + lighttp for reporting... Internal Network. edge firewall will have 2 wans on loadbalancing & failover. ...
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2answers
78 views

Nginx as a proxy server for a local network

I'm currently using squid as a proxy server for my local network, but I'm not entirely satisfied with it. Is Nginx also suitable for use as a proxy server on a local network? Is it actively being used ...
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1answer
40 views

squid3 FAIL with cache_peer round-robin on 127.0.0.1 different port

I have 3 tunnels end to a Debian running squid3 (ports 9001 to 9003). At start of each tunnel runs a proxy. I try to load-balance those proxies this way: http_access allow all http_port 4128 ...
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44 views

Maximum number of HTTP request in squid proxy server

I have single Squid 3.4 instance running on Ubuntu Linux server. It is running in forward proxy mode and it is intercepting all HTTPS traffic. I am currently load testing squid setup. My setup is as ...
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1answer
122 views

Convert HTTP request to HTTPS through Apache and Squid

We have a service running internally that needs to upload files to S3 and all outgoing traffic currently routes through a Squid server I manage. The service that sends the files only supports HTTP but ...
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2answers
50 views

Squid load balancing and reverse proxy conflicts

I'm having difficulties configuring Squid 3.3 to do both "load-balancing" over multiple WAN links (using random ACLs + tcp_outgoing_address options) and to also have a "reverse proxy". It works just ...
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1answer
70 views

A way to whitelist (or blacklist) https connections

I am trying to create a captive portal using WifiDog, AuthPuppy and Squid. We want to provide access only to a selected number of resources, e.g 2-3 websites and the App Stores (Apple and Google). ...
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48 views

LVS + keepalived for load balancing transparent SQUID proxies

I need to load balance a number of SQUID proxies configured in transparent mode. Below is a simple diagram with one LB and SQUID boxes. ---------- | Client | ...
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19 views

Squid Cache.Log Anomality?

I have a cache.log full of forwarding loops like below. And this data fills my disk so rapidly. When I kicked the user 10.4.1.111 the logs stopped. What can be the reason? Host: 10.4.1.1:3128 Via: ...
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39 views

Squid delays logs for some CONNECT requests for Chrome clients

I'm running Squid 3.3.8 on Ubuntu 14.04.1 as a regular proxy without any SSL intercept tricks. When I visit a HTTPS site on a client using the Internet Explorer, all CONNECT requests are logged just ...
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32 views

Squidguard only checking against first destination group

So at home I have been playing with squid and squidguard. At first all I wanted was to block ads so the config was simple, then I wrote a script to fetch multiple blacklists and merge them together, ...
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53 views

squid reverse proxy using too much memory

I have a bunch of small vps set up for http caching in a bunch of edge locations using squid as a reverse proxy (varnish caused more issues and had worse performance). These vps have 1gb of ram and ...
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47 views

Creating a Remote Desktop Session from within an EC2 server, not to it

Ok, I'm having problems answering this because I can't figure out how to word it. Most questions about "remote desktop" and "ec2" focus on remoting into an ec2 instance, which isn't necessarily what I ...
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39 views

Strange entries in Squid3 access.log

My WiFi network for guests is transparently proxied by Squid3. There's now a girl from Indonesia with her Samsung GT-B5330 running Android 4.0.4, who gets blocked by "The requested URL could not be ...
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1answer
103 views

Squid: how to enable verification for SSL self-signed certificates

I'm using Squid 3.4.8 as a reverse proxy which is forwarding request to a specific server. The communication between Squid and the server is in HTTPS. The certificate used by the server is ...
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1answer
272 views

squid3 ssl bumping server-first with signed certificate

I'm trying to get Squid3.4 to do SSL Bumping with the server-first method. I followed this guide in alpinelinux. I'm working in explicit mode (browser configurer to Go to the proxy) and that works ...
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2answers
983 views

“Invalid URL” Squid 3.3.8 transparent proxy w/ SSL Bump

I am attempting to run the QLProxy Virtual Appliance with SSL Bump in a transparent proxy and cannot for the life of me get it to work. I keep receiving "Invalid URL" errors from Squid (version ...
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1answer
212 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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47 views

Squid forward traffic to another proxy with authentication

I want to use Squid locally on my computer to forward all traffic to a parent Squid proxy which uses BASIC authentication. The aim is to not store my password on every configuration file that needs ...
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33 views

Two transparent gateway using squid return 403

I have two linux gateway using squid as transparent proxy. When I using them individually, everything is fine. But when I using them in the same network, every request from browser will return 403. ...
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1answer
131 views

route apache traffic through squid proxy server

i am using squid as proxy server for blocking patterns in a url (like: block .jpg,.bmp, etc). now i want to route the whole traffic from my 2nd server (which runs apache) through the proxy server. so ...
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802 views

Squid HTTPS Tunnelling using CONNECT very slow

I use squid on my network to cache content. I launch chrome with a command line switch that tells it to use the proxy. For the most part this works great as squid caches a large amount of content ...
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1answer
85 views

Set up squid as a reverse proxy behind a transparent proxy

I have a question about setting up squid as a reverse proxy behind a transparent / forward proxy. Basically, what I am looking for is whether it's possible to set up (B) in the following: Client (A) ...
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1answer
151 views

Local transparent proxy with squid and dansguardian

I am having trouble setting up a local web cache and filtering system using squid and dansguardian. It works perfectly when the browser is configured to use the proxy box's ip (192.168.1.2) but I ...
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1answer
52 views

replace web traffic content with squid

I am using squid to block certain types of traffic to reduce band width, I have so far blocked adds, flash applications, video streaming and other such things. when a website or an advertisement ...
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3answers
108 views

Transparent proxy for HTTPS traffic

I'm looking for a proxy to intercept HTTP traffic na pass through HTTPS traffic. Burp can do that with SSL pass through. With that option, SSL traffic isn't modified or capture, but just tunneled. I ...
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2answers
169 views

Transparent proxy and HTTPS with squid

Is is possibile to use a transparent proxy to filter some domains without a man-in-the-middle approach? I would like to guarantee the certificate verification and user privacy, by other hand, I want ...
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0answers
113 views

Squid accessing issues with allowed IP's

I have configured squid and list of allowed ip's I can see logs in access.log for 192.168.1.16 IP now i want to find MAC address of that ip as someone is mis-using this IP. Now i want to get MAC ...
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2answers
516 views

how to bypass a domain from squid proxy server

I have installed squid3 on debian and routed all traffic trough it. I need to bypass one domain from server side, i.e domain abc.com should always bypass squid and should directly connect to the ...
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0answers
148 views

Caching Docker (Cloudfront) images with Squid

I have a Squid server setup with ssl-bump caching SSL resources used by Docker but I'm having issues trying to get it to cache requests to Cloudfront, for example: 1415056176.733 190419 172.17.0.40 ...
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35 views

squid drops connections to ip addresses, but it passes the connection o the domain addressess just fine

When some program tries to connect to some ip address, it gives me this in the log file: 1414709903.045 0 192.168.0.82 TCP_MISS/500 4429 GET ...
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1answer
98 views

How to customized Squid access log to show upload files just as its recording download files

Just wondering , is there a way to check upload content or any data related to uploads using squid logs ? Any plugin or enhancement? any other viable option. grateful for any advice . Thanks..
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1answer
175 views

Display a message to all Squid Proxy users

I have a production squid proxy that I am about to decommission soon. The proxy has about 400 users mainly at remote location. We have purchased a new proxy appliance and it is ready for use. At this ...
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0answers
38 views

Proxy all requests to domain.tld

Here's the situation: I want to direct all requests to to a proxy server. One idea I had was to force the DNS server to respond to the request for domain.tld to the server running the proxy server ...
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1answer
282 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 ...