A reverse proxy is a type of proxy server that fetches resources from a specific defined set of servers for a client. It is used in cases when there is an advantage to not exposing the web server with the content directly whether it be for security reasons or because of a lack of available public IP ...

learn more… | top users | synonyms

7
votes
0answers
413 views

HAProxy switch to backup on 500 errors and/or server down

I'm setting up an HAProxy in front of only 2 backend servers, with a particular configuration: any request should go to server A; but, if server A returns a 5xx error code, all request should go to a ...
4
votes
0answers
389 views

nginx - connect() failed upstream under load testing

I've been doing some load testing with wrk of my nginx reverse proxy -> my web app setup and I noticed that when I get to 1000+ concurrent connections, nginx starts returning 502s and the following ...
4
votes
0answers
127 views

Setting header based on client certificate

I have Apache running as a reverse proxy for an internal server. Users hitting the proxy are required to use client certificates. On the internal server, there is a web application that can use an ...
4
votes
0answers
581 views

ARR reverse proxy to Azure Website inside Azure Cloud Service

I am trying to rewrite www.contoso.com/blog/ to a wordpress Azure Website (contosoblog.azurewebsites.net). I have completely configured all inbound and outbound rules, and have tested them locally on ...
4
votes
0answers
737 views

IIS7 proxying VisualSVN server refuses to allow Web.config files to be committed

I use IIS 7.5 with the Application Request Routing and URL Rewriting modules to act as a reverse proxy for several apache-based web sites, including VisualSVN Server. I'm having a problem when I try ...
3
votes
0answers
133 views

mod_ssl client certificates on a reverse proxy

I am trying to add client certificate authentication on a reverse proxy that proxies an oracle application. Before adding, and if i remove the subsequent code, the oracle application is able to start ...
3
votes
0answers
598 views

Apache as a reverse proxy for GitLab Omnibus

I'm using GitLab Omnibus on a CentOS6.5 server. The gitlab nginx server listen on the 6543 port (Apache already using 80 and 443). I want to use Apache as a reverse proxy to access GitLab with that ...
2
votes
0answers
30 views

How to reverse proxy https with lighttpd?

I want to forward (reverse proxy) requests to https://secure.mydomain.com(:443) to my internal (HTTPS-)WebServer on port 8443 using Lighttp. Environment-Infos: My WebServer is a Tomcat running on ...
2
votes
0answers
45 views

Set CORS headers on nginx

Addresses like http://vpsxxx.ovh.net/g/search?q=ok or http://vpsxxx.ovh.net/so/questions/34738694/how-to-move-items-on-the-screen-for-a-game-using-javascript are proxied well, when trying them from ...
2
votes
0answers
87 views

Is this an nginx proxy_cache bug?

I have a very simple proxy config: http { proxy_cache_path /var/www/cache levels=1:2 keys_zone=s3-images-cache:50m inactive=1M max_size=1000m; proxy_temp_path /var/www/cache/tmp; server ...
2
votes
0answers
40 views

NGINX Reverse Proxy redirect settings

I have the following scenario: NGINX | | JavaEE TERMINATING | -> REVERSE PROXY -> | Application SSL (443) | HTTP | Server Reverse proxy is done by: ...
2
votes
0answers
250 views

reverse proxy issues with nginx over apache2.4 hosting joomla: url rewrite does not work any more

I am setting up a joomla 3.x site with apache 2.4 on an ubuntu 14.04 server on aws ec2. That alone is fine with url rewrite working fine. I have cleared all apache issues before freeing the port 80 ...
2
votes
0answers
591 views

Efficient setup for fronting application servers with Apache

I have to front various application servers (in the beginning this will be JBoss 6, Tomcat 8 standalone and Tomcat 8 embedded into spring boot 1.2 apps) with an Apache 2.4. Because of this I decided ...
2
votes
0answers
139 views

nginx with php and two node.js routes

I have two routes i want to pass two node processes(websocket route, angular app), while a 3rd route needs to pass to a php application that acts as a rest api to the angular app. i'm not terribly ...
2
votes
0answers
146 views

Unable to force passphraseless ssh authentication while port forwarding

I'm completely at a loss as to what is preventing my local machine from authenticating the connection that is being forwarded from the remote server. I've read a ton of the posts on here regarding ...
2
votes
0answers
665 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
votes
0answers
175 views

nginx reverse proxy not returning website

The setup Currently, we have an Apache2 webserver acting as load balancer for our web architecture. The backends are Xen virtual machines accessible via IPv6 for the public Internet and via IPv4 for ...
2
votes
0answers
2k views

How mod_cache working with “must-revalidate” and “max-age”?

Quick question before I will explain my flow: Сan mod_cache perform revalidate with if-none-match only if max-age is expired in case if it configured in reverse proxy mode? My goal is to reduce a ...
2
votes
0answers
244 views

ASP.NET directories blocked from VisualSVN Server behind reverse proxy in IIS 6

I’ve got VisualSVN Server running behind a reverse proxy in IIS 6, Windows Server 2003. This isn’t ideal, but for the main web app on the server I’ve only got one IP address and SSL certificate ...
2
votes
0answers
856 views

Does Apache2 Configured as ReverseProxy Hide Cookies Set by Backend Servers?

I use Apache 2.2.16 as Reverse Proxy. For a static website, I don't have any issues. However, when began to use cookies, I've noticed that the browser is receiving a different cookie than what was ...
2
votes
0answers
122 views

Fence node in apache traffic server

I'm currently looking into Apache Traffic Server as a tool for providing better availability of web services. But looking at the manual I can't see any reference to how I can pro-actively fence a ...
2
votes
0answers
170 views

IIS Reverse Proxy Rewrite Rule usage monitoring

How can I display stats for each Rewrite rule in IIS when using it as a reverse proxy with ARR? We use 'Orenosp' Secure reverse proxy for some of our networks but use IIS + ARR for others and one of ...
2
votes
0answers
534 views

Reverse proxy with single sign-on and backend authentication modules

Has anyone got any recommendations for reverse proxy software that provides a single sign-on interface to multiple backend websites via various authentication mechanisms? e.g. Login to the frontend ...
2
votes
0answers
987 views

Making mod_proxy_http send back response asynchronously (w/o 100 Continue)

A servlet engine (Jetty) is running behind an Apache Httpd server, forwarded using mod_proxy_http. This is running a small servlet that accepts PUT requests and is authenticated using HTTP Basic ...
1
vote
0answers
52 views

Nginx proxy with varying source address

I have a working nginx configuration to proxy all requests to a server from a range of source IPs. I currently have 20 source IPs set up, and the configuration is quite massive. I removed the other 18 ...
1
vote
0answers
17 views

Squid reverse proxy not able to cache

Not able to cache anything with squid reverse proxy, running in centOS6.5 squid.conf http_port 81 accel defaultsite=example.com:8080 no-vhost cache_peer example.com.ip.address parent 8080 0 ...
1
vote
0answers
35 views

Apache (OWA) Reverse Proxy on Windows 2012 R2 stops responding

Recently I've swapped our old ISA Server with an Apache Reverse Proxy. The ISA Server only did reverse proxying for Exchange OWA. Because of this it was rather simple on my first thought. After I ...
1
vote
0answers
28 views

host header change upstream servers nginx

I have following config in my config file upstream static { server server1.dom.com; server server2.dom.com; } server { listen 80; server name dom.com; location ^~ /images/ { ...
1
vote
0answers
52 views

nginx multiple static content servers on subdomains with url rewrite

I have one server with nginx-frontend and apache-backend. I need to set up nginx to return images from the other two servers like http://example.com/images/*.jpg -> ...
1
vote
0answers
22 views

NGINX not caching content

I hope anyone can throw a bit of light in here since I'm stuck in the dark :-P Basically, I'm trying to make a Reverse Proxy NGINX cache content. Reverse proxying works OK, but the caching part... ...
1
vote
0answers
18 views

Nginx reverse proxy gets blocked

We run a wordpress blog in a subdirectory from our main domain. domain.com => Server A (Nginx) domain.com/blog => Server B (Apache) The blog itself lies on a different (cheap shared hosting) ...
1
vote
0answers
8 views

Apache reverse proxy sometimes takes over all requests

I am using my apache as a reverse proxy for a few requests to a webserver running on an internal port to allow access via my regular virtual host. This is on an ubuntu 15 running in vagrant. Here's ...
1
vote
0answers
28 views

Nginx reverse proxy serving wrong host

My Nginx reverse proxy is doing something very odd. One domain in particular is not resolving correctly but instead showing the site of a totally different host. Only wiki.example.net is wrong, it ...
1
vote
0answers
24 views

Is reverse proxy chaining possible for HTTPS?

We have a public web server which needs to receive HTTPS requests from a customer system over HTTPS: Our system <--- HTTPS Reverse Proxy <-- Customer system Unfortunately the Customer ...
1
vote
0answers
64 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 ...
1
vote
0answers
93 views

Apache ProxyPass => IIS 8

TL;DR: Web tasks taking longer than 5 minutes through an Apache ReverseProxy errors out. Tasks/reports of shorter duration succeed. Directly accessing reports succeeds ...
1
vote
0answers
90 views

Setting up SSL Termination on Apache Traffic Server (Reverse Proxy)

We are attempting to setup Apache Traffic Server to act as reverse proxy for our web server. Here are the basics: Apache Traffic Server, built from source (6.1.0) and installed into /opt, is running ...
1
vote
0answers
42 views

Printing origin servers name in Apache log

I have configured a reverse proxy setup with Apache as the reverse proxy server and JBoss nodes as origin servers. How do i get the name of origin servers logged in to Apache log. I don't see any ...
1
vote
0answers
162 views

nginx proxy_pass with dynamic upstream servers

We're currently stuck in a situation where we are using nginx as our main frontend server for a set of services backed by a dynamic DNS based service discovery with Mesos-DNS. Our nginx configuration ...
1
vote
0answers
62 views

How to let nginx simply pass a request to a forwarding proxy server?

'm behind my corporate forwarding proxy. When I test my application locally, for some requests, I want to configure nginx to proxy_pass those requests to some external domain servers. below is my ...
1
vote
0answers
139 views

Webdav through HAProxy

I am trying to connect to a WebDAV server through HAProxy. The goal is to direct all traffic through one port, 5443. My HAProxy server is bound to port 5443 with SSL. I have tried connecting to ...
1
vote
0answers
353 views

Nginx as reverse proxy for GitLab with SSL?

I have GitLab's nginx setup to listen at 127.0.0.1:8088 . Then I have a system nginx (installed via apt-get on Ubuntu) setup as reverse proxy with HTTPS: upstream gitlab { server ...
1
vote
0answers
105 views

Can I use a reverse-proxy on a hosting service to redirect connections to multiple IPs while taking care of maintaining sessions?

I have a situation where I am trying to host my own web server because I need some custom software, including telephony, WebRTC, node.js, etc. However, my net connection in the town and country where ...
1
vote
0answers
15 views

Resolve domain upon environment

I am using dnsmasq to resolve specific sites while doing some stress tasks, but since we have at least 3 environments per site I have to constantly update the target IP. These sites are behind a ...
1
vote
0answers
86 views

Setting up revers proxy on IIS 8.5 and Windows 2012 R2 does not work properly in some cases

I have installed Orchard as a CMS on our web server at a different port number. This CMS works fine when I try to access it through localhost. Everything looks normal. However, I'd like to publicize ...
1
vote
0answers
194 views

Websockets behind Apache and Nginx proxy connection not upgraded

I have a problem. Apache listens on a white ip and proxies all requests /ssd on nginx that proxies requests /city-dashboard to another server with websockets. In apache config: ProxyPass /ssd/ ...
1
vote
0answers
64 views

Nginx reverse proxy variables and resolver

I am trying to set up reverse proxy with a wild card on both ends, eg. test.example.com to test.local, etc. So far I have this and it is working. server { listen 80; server_name ...
1
vote
0answers
208 views

Nginx proxy_pass and absolute paths

I'm trying to run some nodejs app on a server (Ubuntu 14.04), using Nginx and i'm almost done. Here's my server configuration (/etc/nginx/sites-available/default): server { listen 80; ...
1
vote
0answers
205 views

nginx proxy_buffering and send response to client immediately

To break the question down to one sentence: Is it Possible to turn on proxy_buffering in nginx, but sending the response of the backend server immediately to the client when the client is fast enough ...
1
vote
0answers
960 views

Nginx Reverse Proxy 502 Bad Gateway

I am trying to make a reverse proxy server with Nginx, i have a Proxy conf file and a Proxy-SSL. unfortunate I have some problems with the Proxy-SSL (HTTPS) I am getting a bad gateway 502 error when ...