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Questions tagged [transparent-proxy]

210 questions
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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?
abrbhat
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Trying to setup transparent, load balancing, SSL reverse proxy. Is it possible?

I've done a few weeks worth of research on this topic for a project, and unfortunately I'm a simple code monkey, my knowledge of networking and SSL are limited. Pretty much every search I've done so far has brought me to serverfault, where I…
tremor
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Setting a transparent proxy without changing existing IP Address values

The end goal of what I'm trying to achieve is: Block access to certain websites and view bandwidth used by IP Address. Without changing my employee's gateway address. -- Our internet connection is currently served by a Cisco router. The Cisco router…
Jason246
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apache module to perform search and replace operations on response bodies?

I am trying to do search and replace operation on response bodies using a transparent apache reverse proxy configuration, the below config using "mod_substitute" and "mod_proxy" works as expected : ServerAdmin…
iTech
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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 installed squid 3.1.19 on the same server (Ubuntu…
Plutext
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.NET WebRequests fail on network with Blue Coat proxy

I have a .NET 3.5 application that makes a standard http WebRequest: var webRequest = WebRequest.Create(new Uri("http://myserver.com/target.xml)); var webResponse = webRequest.GetResponse(); This application is often deployed within networks that…
TJF
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Sharing proxy-cache among multiple user groups

Here is what I am trying to do. I have two different VLANs, each using their own Squid proxy-caches. Now I want to set up a single proxy-cache which both VLANs use. The catch is I don't want them to share the cache for security purposes. Is it…
Bruce
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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 simply pointing to 127.0.0.1's HTTP web server…
nickw444
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how can make transparent proxy on more than one port?

i want to make transparent proxy with linux ( centos) , i want all incoming connection on port 1000 - 2000 on eth0 forward to eth1 on port 1000 - 2000 in transparent mode i have 2 server 1- linux ( proxy server) 2- windows i want protect my…
ermya
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SSL Cert for transparent MITM SSL proxy

I would like to set up a transparent SSL corporate proxy with either privoxy or squid. One of the snags in my plan is understanding what kind of SSL certificate is required. I know I can get a multi-domain / wildcard SSL certificate; however, that…
Mike Pennington
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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 office we have a Cisco router with Public IP…
Prax
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use iptables for transparent access to 2 proxies depending on domain

I have a setup where I have 2 proxy servers. One is a socks proxy which I wish to use for ALL connections by default. The second proxy is an http proxy which I wish to use for http connections to specific hosts (all on the same domain(s)) Lets…
Exodist
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Transparently proxying HTTP to a SOCKS server that is provided by SSH on an Ubuntu box in pfSense

I'm trying to transparently proxy HTTP requests in a LAN that is served by a pfSense router over SSH. So far, I've tried setting up an Ubuntu box outside that network and forwarding everything going outward that's HTTP to redsocks on the outside…
nelsonjchen
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Haproxy and tproxy error

I am trying to install haproxy with tproxy. I followed this tutorial but I installed latest versions of kernel and iptables. Version informations is below: HA-Proxy version 1.4.17 iptables v1.4.9 Linux-3.0.4 Without the transparent mod, haproxy…
ibrahim
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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 instructions for shorewall found…
Geoffrey
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