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3answers
711 views

Setting up a transparent proxy

I am looking at setting up some kind of visitor wireless access for our company however our internet connections all run through a external proxy. After many wasted hours explaining to visitors how ...
3
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2answers
55 views

Transparent proxy cache on BGP multihome

Provider A have transparent caching with squid . In the situation which a client has multihome BGP with provider A and provider B then client does not send its outgoing traffic (upload) to provider ...
1
vote
2answers
652 views

Tunnel an SSH connection transparently (no ProxyCommand)

Here's the scenario: the user runs "ssh -i sshkey user@server1". I want the SSH connection to be tunneled through server1 to server2. Normally, the user could do this himself using: ssh -i sshkey ...
0
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2answers
678 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 ...
-1
votes
2answers
513 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 ...
3
votes
1answer
822 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 ...
2
votes
1answer
163 views

Host doesn't send ACK-SYN packets for transparent proxy

I am setting up a transparent proxy using haproxy, the setup works without the 'source 0.0.0.0 usesrc client' line. When I add that line in, the endpoint is called from the original client's ip ...
1
vote
1answer
243 views

Redirect traffic on port 80 into apache for unknown macs, and into squid for some macs

I have a linux box behaving like a router that handles two network interfaces: eth0 for internet and eth1 for LAN. I set up iptables in order to redirect all the web traffic coming by the LAN into a ...
1
vote
1answer
682 views

Transparent proxy which preserves client mac address

I have a customer that wants to intercept SSL traffic as it leaves their network. My proposed solution is to setup a proxy that is transparent and both layer 2 and layer 3 so it can simply be dropped ...
1
vote
1answer
334 views

Simple proxy server for Windows that supports chaining proxies?

Are there any small/simple proxy servers for Windows, that support chaining further proxies? Example: Browser connects to proxy server. Proxy server connects to another proxy server. Proxy server ...
0
votes
1answer
244 views

haproxy transparent mode on 14.04

As per my previous question SSHD real-ip behind haproxy - I'm now attempting to setup HAProxy to transparently pass the IPs to the backend services. tproxy modules loaded / and supported in haproxy ...
0
votes
1answer
110 views

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 ...
0
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1answer
43 views

Setting up a transparent proxy for a database

Currently my setup is as follows :- Database client/library <---------------------> Database I'd like to have the following :- Database client/library <---> Proxy <-------------> Database ...
0
votes
1answer
68 views

.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 ...
0
votes
1answer
576 views

Transparent redirect or proxy in Apache, preserving incoming request

When a user first hits our server, we want to capture some information about the incoming request: GET parameters, Referer header, &c. The general idea is that when we get an incoming request that ...
0
votes
1answer
103 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
197 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 ...
0
votes
1answer
329 views

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- ...
0
votes
1answer
423 views

how to recompile kernel iptables by enabling tproxy

I'm new to the Kernel iptables/netfilter. I'm having red hat linux with Linux Kernel 2.6.37-rc1,iptables 1.4.10 ,squid 3.1. But my iptables are not configured with tproxy table. Now, i want to ...
0
votes
1answer
529 views

automatically forward all network traffic to a proxy

I've used cntlm to automatically add NTLM headers to https requests when ssh'ing to a particular host. What I need to do now is to send all outbound internet traffic (80/443) from any program ...
-1
votes
1answer
99 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 ...
2
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0answers
27 views

Evaluating and redirecting http requests

I am trying to evaluate traffic on port 80 to determine whether or not if we need to redirect a request, or pass it through, while being transparent. Scenario: User connects to our system via Wifi. ...
2
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0answers
317 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 ...
2
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0answers
482 views

Using nginx as reverse proxy with haproxy as loadbalancer

I am tring to use nginx and haproxy together. I am doing that because haproxy does not support gzip compression. My aim is that first using nginx for gzip compression than forward it to haproxy for ...
1
vote
0answers
19 views

How can I throttle the rate of messages with a transparent proxy server?

I am trying to run a client software that connects to a socket server and downloads data. My problem is that the socket server has a max rate of messages per second, and it disconnects a client if ...
1
vote
0answers
245 views

TPROXY Not working with HAProxy, Ubuntu 14.04

I'm trying to use HAProxy as a fully transparent proxy using TPROXY in Ubuntu 14.04. HAProxy will be setup on the first server with eth0 111.111.250.250 and eth1 10.111.128.134. The single balanced ...
1
vote
0answers
161 views

Transparent Proxy For Individual Web Apps?

At work, I perform automated testing of our front-end web apps that use Active Directory for authentication. One tool (Sahi) uses a local proxy to go between the web app and the user's browser, to ...
1
vote
0answers
188 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, ...
0
votes
0answers
5 views

how to run pptp over redsocks proxy

I have one (virtual) Linux box in Ubuntu, that has redsocks set up done. Inside the machine, I could confirm that the the redsocks did work (use wget to check the external IP). Now, I want other ...
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0answers
12 views

Allow some destination ip/hostnames to bypass acl in squid

We have setup squid for an office environment. We are blocking many multimedia file types like mp3, mp4 etc to prevent bandwidth misuse. Now we have setup media streaming server on our gateway server ...
0
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0answers
16 views

How to make Squid log url and forward traffic without proxying?

I want to use squid to listen on port 80 and log all url requests and simply forward it to original destination without changing anything. How to achieve that?
0
votes
0answers
47 views

Squid, WCCP and Transparent HTTPS

Sorry if this has been answered but i just can't get it to work for me. We would like to log all HTTPS & HTTP requests but not to use Squid-in-the-middle. We would like the proxy to connect the ...
0
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0answers
516 views

Transparent Proxy squid TCP_MISS/503 Error in all pages

I m trying to make a squid proxy server with to work as a transparent proxy server, and i m facing some issues that i m unable to figure out the reasons. The setup i m using is several VLAN's with ...
0
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0answers
42 views

What should be the correct http response code for custom proxy login/register page

I configured a firewall rule on a dd-wrt router to redirect http connections to a shell script, and drop the remaining ports, for the unregistered range of IPs. I am trying to tell the clients they ...
0
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0answers
143 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
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0answers
146 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 ...
0
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0answers
502 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
60 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
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0answers
36 views

Proxy on top 2 databases

I have 02 database server, their addresses are 127.0.0.1:1234 and 127.0.0.2:1234, I want to have a proxy service that will run on 127.0.0.3:1234 that will able to redirect to the database which still ...