Device or program that stands between two or more interconnected programs/devices

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104
votes
12answers
104k views

How to set up Nginx as a caching reverse proxy?

I heard recently that Nginx has added caching to its reverse proxy feature. I looked around but couldn't find much info about it. I want to set up Nginx as a caching reverse proxy in front of ...
26
votes
4answers
23k views

Configuring Apache2 to proxy WebSocket?

The WebSocket protocol is an extension of the HTTP protocol. However, the proxy module of Apache2 does not seem to know about it, and throws away crucial headers, converting the call to a standard ...
23
votes
5answers
253 views

Can any of the popular IM networks work like this?

Joe, Jack and Jill use IM as a communication medium among themselves in Company A, where they work, and with customers and partners around the world. No goofing off here -- it's a legitimate work ...
19
votes
6answers
12k views

How can I set proxy for subversion with ssh tunnel?

I want to check out/update the code via proxy since my local connection is slow. I setup ssh tunnel : ssh -D 8090 user@ssh.proxy.net to forward all the packets to my localhost:8090. How can I set up ...
16
votes
2answers
33k views

Apache ProxyPass with SSL

I want to proxy requests from an SSL site via a non-SSL site. My Apache httpd.conf looks like this: <VirtualHost 1.2.3.4:80> ServerName foo.com ProxyPass / https://bar.com/ ...
15
votes
3answers
419 views

Info on Providing Proxy Servers to Iranian Dissidents?

Does anyone know of efforts to provide proxy servers to Iranian dissidents? I would like to help. Caveats: I am a networking newbie with some underused hardware of lightweight capability, so I don't ...
14
votes
8answers
16k views

How to inject HTML code into every delivered HTML page?

I've got an Apache web server that delivers static HTML pages. For some reason I can't change the files themselves, but I still want to inject some HTML into every page that is being served. Is this ...
13
votes
7answers
46k views

Apache VirtualHost with mod-proxy and SSL

I am trying to setup a server with multiple web applications which will all be served through apache VirtualHost (apache running on the same server). My main constrain is that each web application ...
13
votes
7answers
29k views

What is a good SQUID Logs Analyzer?

Can anyone recommend me a good tool for analyzing squid logs ? I'm currently using SARG. Is there something better? I need to easily see what sites were visited/denied, when and by whom. There is ...
12
votes
10answers
5k views

Block Facebook for selected users

We have a few users here who are using Facebook during working hours and their productivity is through the floor, as a temporary measure I have remotely edited their hosts files to point facebook.com ...
12
votes
6answers
18k views

How can I disable encryption on openssh?

I'm having performance problems using openshh(server) and putty(client) combination to use a remote webproxy. I'd like to disable encryption and test the results to see if it makes a difference. How ...
12
votes
2answers
9k views

Proxy exceptions when using $http_proxy env var?

In a typical browser, when we set a proxy server, we can define a list of hostnames/IP addresses that are not to use the proxy server. How do we accomplish the same thing when using $http_proxy? I ...
11
votes
8answers
4k views

How can I download an executable file inside the company network when it's been locked down?

This might seem like a silly (or nefarious) question at first glance, but allow me to elaborate... We have implemented all sorts of measures on the company network and proxy to prevent the download ...
11
votes
1answer
481 views

haproxy: retain existing sessions under high load, serve '503' to new arrivals

Trying to do what it says in the title: retain existing sessions under high load, and serve 503-message to newly arrived visitors. Problem: it works, but the sessions don't last beyond about 90 ...
10
votes
4answers
2k views

Load balancing using IIS7 request routing and load balancing module

Microsoft has a lot of documentation about their somewhat new load balancing and request routing module for IIS7 located here: ...
9
votes
3answers
9k views

How to use nginx to proxy to a host requiring authentication?

How can I setup an nginx proxy_pass directive that will also include HTTP Basic authentication information sent to the proxy host? This is an example of the URL I need to proxy to: ...
9
votes
2answers
10k views

How to divert traffic based on hostname using HAProxy?

I've had some initial success with HAProxy setting up a bunch of app servers listening on various other ports. I now have another webserver listening on one port, and i'd like to what changes to make ...
9
votes
1answer
2k views

How to avoid restarting Apache proxy when you restart CouchDB

I'm running a localhost CouchDB instance using CouchDBX on my Mac, proxied behind Apache 2 using the ProxyPass directive: <VirtualHost *:80> ServerName playlick # points to localhost in ...
9
votes
6answers
931 views

When/why to use a web proxy/gateway?

Right now we have about a 25-30 PC network, connected to the internet with a run-of-the-mill SonicWall Firewall/Router device. There isn't much filtering / blocking other than outgoing SMTP (for ...
9
votes
2answers
894 views

API Management Solutions [closed]

I'm currently building an API and am looking for a tool to allow me to monitor (in a GUI) and rate-limit usage. I've come across a few enterprise solutions including: http://apigee.com/ ...
8
votes
3answers
7k views

Using Supermicro IPMI behind a Proxy?

This is a SuperMicro server with a X8DT3 motherboard which contains an On-board IPMI BMC. In this case, the BMC is a Winbond WPCM450). I believe many Dell servers use this a similar BMC model. A ...
8
votes
5answers
13k views

PHP on Linux: How to make PHP use proxy settings to connect to internet?

my server is in a LAN and is connected to internet through a Proxy Server. my PHP application (Drupal), should be able to check for updates through PHP codes. how can i set Proxy Settings for PHP so ...
7
votes
5answers
11k views

Easy TCP proxy on Windows? [closed]

What I want is to configure a computer in home with Windows and use it as a TCP proxy for connect and route packets from the 80 to port 23 in another server in the Internet
7
votes
10answers
40k views

Internet Explorer isn't auto-discovering http://wpad/wpad.dat auto-config

I am being driven to frustration by this problem. I have set up a file called wpad.dat (essentially, a proxy.pac file renamed) and put it on an internal web site. I've set up DNS entries so host name ...
7
votes
2answers
819 views

ISP grade Proxy

We are a ISP in Africa (bandwidth is expensive, more than 800 USD per Mbit). Instead of investing in more bandwidth I believe it can be worthy to invest on web proxy appliance. I prefer to use mature ...
7
votes
4answers
23k views

ubuntu set system proxy from command line

Using server version of 10.4 beta 2 Need to to set the proxy that the system needs to use Thanks
7
votes
1answer
2k views

mod_rpaf problems with Nginx front, Apache back-end after Ubuntu upgrade

I'm running an Nginx front-end for static files, and proxying to an Apache backend for PHP and Passenger, using Apache's mod_rpaf to set the correct remote IP address on the backend. Everything worked ...
7
votes
3answers
29k views

Apache Proxy TimeOut

I am trying to understand what is happening with the following message in our Apache 2.2 error_log: Wed May 18 21:03:29 2011] [error] [client 172.20.10.10] (70007)The timeout specified has expired: ...
7
votes
2answers
11k views

Akward delay to connect Apache's proxy request to a node.js App

In my Ubuntu Server 10.04 I'm running an example node.js app: var http = require("http"); function onRequest(request, response) { console.log("Request received."); ...
7
votes
1answer
2k views

Linux support for proxy PAC files

My corporate environment is setup with a proxy blocking external internet access and requiring NTLM authentication. Internal addresses will not be routed be the proxy and must be accessed directly. ...
7
votes
1answer
5k views

Apache httpd error “proxy: ap_get_scoreboard_lb” with ProxyPass

I set up apache to proxy for tomcat but I am getting the following error when I target the page. I sometimes get a blank page or a 503: [Error] [Mon Dec 03 04:58:16 2012] [error] proxy: ...
7
votes
2answers
6k views

SSH over HTTPS with proxytunnel and nginx

I'm trying to setup an ssh over https connection using nginx. I haven't found any working examples, so any help would be appreciated! ~$ cat .ssh/config Host example.net Hostname example.net ...
7
votes
2answers
695 views

nginx proxy retry while backend is restarting

Nginx returns 502 while the backend is restarting. How can I make nginx proxy retry N times with M seconds delay? Is there a plugin or something else?
7
votes
1answer
16k views

Internet Explorer 9 & 10 Group Policy Preferences missing

I have a single Domain Controller network (Windows Server 2008 R2, running on the 2003 Forest/domain level), with the clients currently migrating from WinXP Pro to Win7 Pro. I Need to control the ...
6
votes
5answers
4k views

Can I create SSH to tunnel HTTP through server like it was proxy?

Say I have a server and client. I need to create connection from client to a website through server like it was proxy. Is it possible to do this using a SSH tunel, or do I have to install some proxy ...
6
votes
1answer
3k views

Nginx : strip header on HTTP, add header on HTTPS

I'm configuring an Nginx server so as to serve as a reverse proxy to serve a Django app (run on Gunicorn). My problem is that I want my site secured with HTTPS, and so I want my Django app to be able ...
6
votes
1answer
9k views

Proxy mail to different smtp server with Postfix

How can I forward (or proxy) mail to different smtp servers depending on the To address? I've got one machine with an SMTP (postfix) server listening on port 25. I want to use Lamson ...
6
votes
3answers
2k views

NGINX as http proxy server (not reverse proxy) [closed]

Is it possible to use nginx as ordinal http/https proxy? (not reverse http proxy) UPDATE: Yes, i know about squid/oops/tinyproxy/etc. Please do not answer if you dont know answer to question (or just ...
6
votes
4answers
43k views

How do I configure proxy settings for LOCAL SYSTEM?

If I edit Proxy Settings through the Control Panel, the settings are stored in HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable and ...\ProxyServer. These ...
6
votes
6answers
2k views

Simulate company proxy for users that take laptops home

My company uses an HTTP Proxy, so I had to configure several config-files of my tools to access the internet via the the Proxy. When users are at home, they won't be able to use that proxy (except ...
6
votes
1answer
5k views

mod_deflate - Optimal configuration for most browsers

I was wondering if someone here could help me determine the optimal standard configuration for using mod deflate with Apache. Basically, mod_deflate recommends using the following configuration for ...
6
votes
1answer
1k views

SSH through a SOCKS Proxy? (client = OpenSSH OS X)

I'm not sure if this question is best suited here on ServerFault or over on SuperUser. Thinking about it logically I think this is a sysadmin question, so I'm putting it here, and if the mods think it ...
6
votes
3answers
1k views

Best way to authenticate users to the proxy in mobile devices

As example, in Forefront TMG I can have a wpad entry in the DNS and computers discover it and autoconfigure the web proxy. When the user tries to go to the Internet he is promptped for the ...
6
votes
2answers
2k views

HTTP compression in IIS 6.0 causing problems with certain users

We're getting a few sporadic customer calls (less than 0.1% of our users) complaining of not being able to access my company's website - either they get a blank page (if they use IE), or a "Content ...
6
votes
1answer
464 views

Squid 3 reloading makes it stop serving requests

So, we use Squid 3 here (3.0.STABLE8-3+lenny4), pretty standard configuration (no dansguardian or similar) + NTLM authentication with LDAP background, circa 1000 users on a busy day, and our acls ...
6
votes
1answer
12k views

Configure PHP to use a proxy?

Using PHP 5.2.6 and need to configure it to use our forward proxy (which requires authentication be set) so that the PHP scripts can connect to the internet correctly. I see that PHP.INI in the 4 ...
6
votes
1answer
516 views

Using Postgres Basic Auth in NGINX to add query result to Proxy HTTP Header

We are trying to use the ngx_postgres module to do basic authentication through NGINX. We want to retrieve a value from the query result-pair and add it to the HTTP Header, and then proxy this to ...
6
votes
2answers
3k views

Configure Apache to use external proxy for HTTPS connection

I'm trying to make my Apache use external proxy for HTTPS requests: Listen 80 Listen 443 .. LoadModule proxy_module modules/mod_proxy.so LoadModule proxy_connect_module modules/mod_proxy_connect.so ...
6
votes
0answers
111 views

Does the Great Firewall Of China Modify X-Forwarded-For [closed]

I'm looking at traffic from some of our Chinese customers and their X-Forwarded-For's look something like: REALIP, 127.0.0.1, REALIP, etc The interesting thing is the loopback IP is always the ...
6
votes
3answers
3k views

Event ID 16: Windows Update Client ignoring proxy settings

Have a couple of locked down, standalone Windows 2008 R2 servers (not on a domain; no WSUS) that refuse to adhere to the proxy settings each morning at around 4:25AM EST with what I'm assuming is a ...