2
votes
2answers
524 views

How to setup client for squid transparent proxy?

Server Details Squid Transparent Proxy Version: 3.3.8 OS: Ubuntu Server 14.04 Server IP: 192.168.1.3 Squid config file (excluding comments using grep) root@ubuntu:~# grep -v '^$\|^\s*\#' ...
1
vote
1answer
115 views

Security implications of running SquidProxy on the main pfSense Firewall

I want to start a discussion about the pros and cons of running a SquidProxy server on the same pfSense box as the main firewall. Today I have one pfSense doing all the firewall things, like routing ...
-1
votes
1answer
201 views

How can I set up a transparent proxy using squid and squidguard which has time-based acl based on MAC addresses?

I have a linux based server and I want to control access to internet based on MAC addresses of devices. How can I do that?
0
votes
0answers
117 views

Squid 2.6 and https trasparent proxy

I have a question about Squid configuration as trasparent proxy using SSL. I would to use Squid 2.6 as trasparent proxy with http and https connection. I followed this steps: 1) I configurated my ...
0
votes
0answers
134 views

Deny All Allow Video Streaming Site Firewall Proxy

I need to build a hotspot for children to view a video streaming site with random tablet devices that a client is going to provide. The req uested environment should restrict access to only the video ...
3
votes
1answer
665 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 ...
0
votes
0answers
87 views

Chaining transparent and non-transparent proxies using Squid

I have a question about the possible setup when chainig a Squid proxy behind a transparent proxy behind a non-transparent proxy, as in: [user pool] -> [Squid 1 (transparent)] -> [transparent proxy] ...
1
vote
1answer
82 views

Proxy to remote proxy?

One of our partners require us to use one of their proxies in order for us to reach various services there. What I would like to achieve is to set up a local proxy at which I point the domains, so ...
3
votes
1answer
117 views

Selective use of transparent proxy on per-connection basis

TL;DR - I'm planning on using an application-level firewall to forward only requests for HTML content to a transparent proxy. So the initial GET request for google.com (for example) that returns an ...
-2
votes
1answer
60 views

Setting up a DHCP/Proxy Server

Current setup: Modem -> Firewall(DHCP) -> Switch and Wireless Router |-> Computers If I wanted to setup a Proxy Server in there, it would have to replace the Firewall correct? The idea is so that ...
0
votes
0answers
363 views

Can't get Squid to work with Intercept

I have a Sqiud Proxy server I am trying to add Transparency to using the Intercept feature. Currently the Proxy server accepts and functions fine as a standalone proxy for users. However when I add ...
0
votes
0answers
57 views

config squid to set specific acl for username and then set it to the ip addr of username

Assume your executive of corporation, sit on his clerk desk PC, and login to his username on the network (authenticate with Active Directory), of course he wants his full access to internet, but he ...
0
votes
1answer
632 views

preventing squid forwarding loop with IPtables

I have a web application, and I'd like to limit file upload size. I thought I'd try using squid for this, via its directive request_body_size_max. I have my webserver running on port 8080, and I've ...
1
vote
2answers
641 views

Bypass transparent Squid proxy on Tomato USB for specific sites

I'm using a router with Tomato USB to forward port 80 requests to a Ubuntu Server with Squid 3 in transparent mode. Someone on the Tomato forum adapted these instructions for Tomato: #!/bin/sh ...
2
votes
0answers
268 views

Squid as fully transparent reverse proxy

I have got a few web servers running on my server and I want all of them to be accessible via port 80. I set up squid as a reverse proxy and it works fine. I, however, need the source ip address to be ...
1
vote
1answer
270 views

How to force outgoing requests from webserver/PHP through squid proxy on same machine?

I have a Debian Squeeze VPS configured as an nginx web server. For security reasons I have blocked all outgoing connections except those to the Debian update servers (this stops bad scripts from ...
-1
votes
1answer
93 views

Squid connection to 0.0.0.0 Failed

trying to set up a Squid transparent proxy. All is good for the transparency, however the proxy occasionally runs into errors such as "connection to 0.0.0.0 Failed" Is this common? Am I doing ...
0
votes
1answer
100 views

Squid proxy loading from the localhost web server

I've just set up a squid transparent proxy inside my network. The proxy works fine, however it seems some sort of caching policy is causing the proxy to instead go grab a copy of the website, it's ...
0
votes
1answer
180 views

How To Route All HTTP Traffic from eth1 to the Squid Proxy? The Iptable rules?

I have just setup a squid proxy server. The server have two interfaces. eth0 connects to the router and eth1 is connected to a switch where all the other machines connect. The server also have a DHCP ...
1
vote
0answers
134 views

blocking https connections using squid trans [duplicate]

Am a linux user. I have a proxy server setup running squid-trans for dealing my wireless connections. But i found that it can easily open https connections (like https://www.facebook.com) . Is there ...
3
votes
1answer
394 views

Squid transparent proxy for outgoing traffic only

I have a Rails server that's a bit API heavy and so I want to run a Squid caching transparent proxy, between all port 80 activity, and the real world. However I don't need incoming traffic to go ...
0
votes
2answers
872 views

Transparent redirection to squid proxy server on the cloud

We have a squid proxy on the cloud with IP Address 50.x.y.z listening on tcp port 3128 and running in transparent mode. This proxy server is running Debian 6.0 and is located at a data center. In our ...
1
vote
0answers
184 views

Can I make an ACL in squid for transparent connections?

I have a squid proxy that transparently intercepts connections from an internal network, and is explicit for connections from another network. I want to use authentication for the external network, ...
-1
votes
2answers
495 views

RAID0, LVM or JBOD for best performance squid proxy server?

I need to choise the storage type for a squid proxy server with 100Mb/s traffic. RAID0, LVM or JBOD Which is better for performance (don't care the data reliability) ? This storage is only for the ...
0
votes
1answer
752 views

Return packets via squid running as tproxy not working

I have been trying to get this to work properly for two days now and I desperately need assistance. I have configured Squid 3 as a proxy listening on port 3129 with the tproxy flag, and followed the ...
0
votes
1answer
940 views

Get Squid3 to cache .zip, .rar, .iso files for 2 weeks

Is there away to get Squid3 to cache certain file extensions for an extended period of time? For example, I'd like to have .zip, .rar, and .iso files cached for 2 weeks by default. Thanks.
0
votes
2answers
656 views

tproxy squid bridge very slow when cache is full

I have installed a bridge tproxy proxy in a fast server with 8GB ram. The traffic is around 60Mb/s. When I start for first time the proxy (with the cache empty) the proxy works very well but when the ...
0
votes
1answer
464 views

Simple example of transparent proxy with Cisco IOS and Squid

Does anyone have a simple example with Cisco IOS and Squid whereby a Cisco router intercepts traffic and redirects it to an adjacent Squid 3 cache? Is there a way to do this for only certain requests ...
1
vote
1answer
4k views

HTTPS is not working in transparent proxy with Squid

I am using Squid proxy 3.1, all systems in the LAN connects to the internet through proxy. Direct connection is blocked using the iptables from the gateway server. There are some devices which does ...
1
vote
1answer
808 views

Redirected traffic with iptables to squid not displaying custom error page?

I've created a squid configuration with the directive: deny_info ERR_PROXY_INFO all And tested this by setting squids port to 8080, then setting my browser proxy to 192.168.1.3:8080 This does ...
1
vote
3answers
1k views

Transparent proxying leaves sockets with SYN_RCVD in MacOS X 10.6 Snow Leopard (and maybe FreeBSD)

I'm trying to create a transparent proxy on my MacOS machine in order to port the sshuttle ssh-based transproxy VPN from Linux. I think I almost have it working, but sadly, almost is not 100%. Short ...
0
votes
1answer
439 views

software to monitor internet usage on an XP PC? (browser + non-browser)

Is there any (ideally open source) software for Windows that can be used on a PC, to monitor the usage of internet from that PC? It would need to include both browser and non-browser sources (e.g. a ...
1
vote
3answers
648 views

Transparent Squid : Logging client ip problem

I am using the following rules in iptables in my network to use a transparent proxy * iptables -t nat -A PREROUTING -i eth0 -s ! squid-box -p tcp --dport 80 -j DNAT --to squid-box:3128 * iptables -t ...
2
votes
1answer
925 views

configure squid to act as transparent proxy

I have configured squid to support transparency using this command ./configure --enable-ipfw-transparent --enable-ssl I have started squid, is there any other configuration that i need to add so ...
1
vote
1answer
598 views

Problem installing IP-Filters MAC for transparent proxy

Am trying to compile squid to allow transparency using this command ./configure --enable-ipf-transparent on a MAC mini running 10.5.8 am getting a error WARNING: Cannot find necessary ...
0
votes
2answers
1k views

iptables for transparent NAT

I'm trying to transparently route traffic of one Xen VM through another, like so: ------- 192.168.250.4 192.168.250.3 --------- | VM1 | ...
0
votes
2answers
4k views

Squid 2.7.STABLE3-4.1 as a transparent proxy on Ubuntu Server 9.04

Can't get this to work at all! I'm trying to get this linux box to act as a transparent proxy and, with the help of DHCP, force everyone on the network to gate into the proxy. I have two ethernet ...
5
votes
5answers
6k views

Squid to cache youtube and windows update content

I Have a squid server (transparent) and I want to cahce youtube videos and windows updates. I know that someone has posted a similar question and I have looked at this post but I am configuring this ...