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 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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61 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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52 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
90 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
103 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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87 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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31 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 /usr/lib/squid3/...
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1answer
104 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
78 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
50 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
475 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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166 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
220 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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70 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
123 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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159 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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87 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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370 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
201 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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558 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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57 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 ...
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96 views

Trouble using old package - Debian jessie/Libdb

I'm stuck trying to get squidguard to run. It's due to the version of berkelydb ( libdb ). This is a fresh Debian jessie server install. No gui, just ssh, build-essential etc. Installed squid from ...
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30 views

http CONNECT makes squid choke

I have a squid proxy server and typically it runs fine. However, when there are several hundred/thousand clients starting to issue HTTP CONNECT statements and keep those connections open, it ...
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40 views

How to make squid hit the cache by path only?

I need to cache the objects with URI's like http://ftp.debian.org/debian/dists/stretch-updates/non-free/i18n/Translation-en.bz2 and http://httpredir.debian.org/debian/dists/stretch-updates/non-free/...
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44 views

Configure local squid for caching and redsock behind squid proxy parent

I'm using Debian, and to access to the Internet my network follow this diagram: MY PC -> SQUID PROXY (with digest authentication) --> INTERNET To resolve the digest authentication with my ...
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605 views

Getting Squid and TPROXY with IPv6 working on CentOS 7

I'm having trouble getting TPROXY working with Squid and IPv6 on a CentOS 7 server. I was previously using a generic intercept setup with NAT, but it was limited to IPv4 only. I'm now expanding the ...
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1answer
103 views

Squid not redirecting SSL as HTTP

I want all my traffic to a specific domain to be sent through a parent proxy, here is my squid conf: acl localnet src 10.0.0.0/8 # RFC1918 possible internal network acl localnet src 172.16.0.0/12 ...
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1answer
219 views

Why Squid ntlm_auth works only when “cache_effective_group root”

I have Debian 8 Jessie with Samba configured as AD member server. Samba+Winbind works perfectly: I can create shares and assign rights for AD users; getent passwd shows both local and AD users, etc. ...
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2answers
2k views

Logstash: UNIX Epoch time not getting converted to readable format

I have setup an ELK stack and I am trying to parse squid log entries. And I am having a problem trying to convert the following UNIX/Epoc time as 1442469455.757 to a human readable format. While ...
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1answer
643 views

How to redirect Https CONNECT Request with Squid Explicit Proxy

I want to block certain urls for some users of my internal network. I am using a squid based explicit proxy for this purpose with a redirect_program. The clients are configured to use a pac file for ...
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1answer
3k views

Transparent squid proxy on ubuntu 14.04 server [closed]

I have ubuntu 14.04 LTS server installed on my server, and I would like to install transparent proxy server on my server for LAN network. Please help me with this. Thanks in advance.
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55 views

Squid Proxy not correctly displaying web page

Currently working with Squid 3.3.8 on Ubuntu 14 and authorizing users against AD groups. Depending on AD group membership specific web sites are then allowed using dstdomain. LDAP_group ...
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1answer
143 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 ...
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56 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 ...
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1answer
78 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 "...
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156 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 ...
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67 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 ...
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92 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
425 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 10.217.76....
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1answer
270 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 ...
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1answer
389 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 ...
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1answer
69 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 ...
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1answer
113 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 ...
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3answers
335 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
211 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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95 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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0answers
192 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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23 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 override-...
3
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1answer
505 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 ...