Questions tagged [arr]

Acronym of Application Request Routing - an extension for IIS7.0+ to load balance HTTP requests to multiple web servers.

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IIS ARR NTLM ntlmssp_negotiate

This is NTLM authentication: Get / -> HTTP 401 Get / ntlmssp_negotiate -> HTTP 401 ntlmssp_challenge Get / ntlmssp_auth -> HTTP 200 My problem is that ntlmssp_negotiate is not pass trough ...
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NLB, ARR, IIS Server Farm Website Bindings

I've setup a server farm as follows: ARRSvr1 (ip:192.168.1.30) Roles: IIS, ARR, DFSR, NLB (With Converged IP: 192.168.1.32) ARRSvr2 (ip:192.168.1.31) Roles: IIS, ARR, DFSR, NLB (With Converged IP: ...
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ARR routing to unavailable server

I have set up Azure Devops to automatically deploy a ASP.NET website to a Web Farm (ARR). It will deploy to the unavailable server then make it available and make the other server unavailable. ...
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213 views

Problems connecting 2nd host to NLB cluster

I've recently deployed Hyper-V into my hosting infrastructure and i'm trying to setup windows network load balancing and ARR so that i can have 2 VM web servers that are load balanced by 2 ARR servers ...
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Hyper-V, NLB, ARR cannot connect 1 host to another [closed]

I'm having trouble connecting 1 host to another even with windows firewall off on bot the VM and the host machines they cannot seem to find each other. Running Windows Server 2019 HyperV Host1: VM ...
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ARR and site health

Using windows ARR, is it possible to create rules which balance traffic based on site rather than server? I have 2 iis content servers hosted in a farm, with a 3rd loadbalancing server controlling ...
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49 views

Setting up a Reverse Proxy for Exchange and IIS Servers

I currently have a test lab, which has the following servers running: DC - 192.168.1.2 Exchange - 192.168.1.3 I only have a single static IP, so I'm forced to put my IIS web sites on the same VM as ...
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62 views

IIS ARR return 404

I am doing some experiments with k8s cluster which I have on my own private server. but I have some issues. First of all my infrastructure: I have public static IP, and wildcard domain in DNS (i.e. *...
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1answer
268 views

IIS10 - NODEJS - 502 Web server received an invalid response while acting as a gateway or proxy server

We are running a NodeJS server on Windows using a reverse proxy and application request routing. Basically, the node server is running locally on localhost:3000, and IIS is rewriting any external ...
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168 views

Azure Web App X-Forwarded-Proto header is always overwritten

I have an ASP.NET core application hosted on Azure Web Apps. This application has the Azure Frontdoor service sitting in front of it accepting connections and reverse proxying back to the application....
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103 views

IIS Returns a 503 After Installing ARR

I installed ARR manually using these instructions but with current versions of the software(x64) Our websites return a 503 on the first request after ARR is installed and the app pool is ...
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40 views

Routing Rules icon in Microsoft ARR 3 - Server Farm Section Does not exist

I want to implement Application Load Balancing by Application Request Routing - ARR3 on IIS8. I download ARR3 Source file and install on my server. the server farm section created in my iis but when I ...
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285 views

IIS 10 ARR : Client certificate not interpreted by backend server

I've made an IIS 10 with ARR on a DMZ windows server 2019 not domain joined to reverse proxy to OWA (exchange 2016) with client certificate authentication. I get error 402.1. Here's some details. On ...
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3k views

Setting up IIS reverse proxy to preserve host headers

I have an IIS server that is hosting a number of sites and apis. These sites include Confluence and Jira instances. These products actually run their own web servers so the Application Request Routing ...
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5k views

IIS ARR Error 502 - Web server received an invalid response while acting as a gateway or proxy server

I have an ARR IIS with a server farm that contains only one server. the site has http and https binding. SSL certificate which installed on both ARR and content server are same and imported and also ...
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189 views

Redirect in nginx port not showing up

I have the following configuration. I'm trying to redirect the http traffic to port 8443. I'm running gogs on different ports and am using some tricks to get to it. Now our main portal is guarded by ...
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8k views

IIS url rewrite to another port

I need help with a strategy on how to think regarding IIS - URL rewrite - Application Request Routing. Example Let's say that I can access my web server from outside my wifi via http://2X0.2X1.2X2....
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426 views

Dealing with duplicate requests in IIS that cause unnecessary load

I have an API that has a CheckStatus inquiry. Once the client has been given a final status by CheckStatus they are supposed to stop polling the API for status updates, but inevitably they dont! The ...
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1k views

Creating a web farm in PowerShell

I'm trying to automate the creation of a server farm in PowerShell. Through manual creation I've got the following XML: <webFarms> <webFarm name="alwaysup" enabled="true"> <...
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1answer
952 views

ARR mixing HTTP server variables among client users

What I am trying to do? I am setting up blue-green deployment to achieve zero down-time deployment. How is the implementation? I have one server. I created a web farm. I set 3 websites blue,...
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350 views

IIS ARR redirect error 502.3

I'm trying to route HTTPS requests for domainname.com to an Apache backend webserver using ARR. The client is able to connect to ARR server just fine over HTTPS; the problem is when the ARR tries to ...
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238 views

Erro 502.4 configuring load balancer with IIS server Farm

I'm trying to do the follow configuration with IIS SERVER02 - Run two sites (SITE_A with anonymous Authentication, SITE B with WIndows Authentication) SERVER03 - Run two sites (SITE_A with anonymous ...
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3k views

Prevent ARR with UrlRewrite from re-writing Location header for a 302 redirect

I'm trying to deploy a jetty servlet using ARR and urlrewrite to create a reverse proxy. If I enable "Reverse rewrite host in response headers" then everything seems to work fine. I access the servlet ...
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214 views

IIS with ARR as reverse proxy for ASP.NET WebAPI randomly escape newlines differently

We're running an asp.net Web API appliction in production, using IIS and ARR for SSL-offloading and reverse proxy. We're seeing some weird issues requesting xml from a webapi endpoint. Randomly every ...
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987 views

Application Request Routing not cleaning up cache files

I've configured ARR as a reverse proxy that does output caching. Cache entries have a TTL of 20 minutes, but it seems that cache files remain on disk forever. TTL is configured in the app's Web....
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4k views

Application Request Routing giving 502.3 Bad Gateway or Proxy error

I have just set up a web farm with Application Request Routing on IIS 8.5, with Load Balance connecting to two servers. The static page HelloWorld.html and the first login page looks fine. However ...
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2k views

IIS rewriting location header before ARR

We have a rewrite configuration that treats ARR as a reverse proxy in a configuration like this: Browser client (OriginA) <-> IIS/ARR (OriginB) <-> Server The client is any number of web ...
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1answer
2k views

Application Request Routing reverse proxy not forwarding X-ARR-ClientCert header

I have IIS ARR set up as a reverse proxy with a web app sitting behind it. If I send a HTTPS request to the proxy with a value in the X-ARR-ClientCert header then that value won't reach the web app. ...
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1k views

ARR Web Farm Health Test sends hundreds of requests

I have an IIS ARR/Web Farm using the Health Test feature (healthcheck). The settings on the test are to check the given url every 30 seconds. It does check every 30 seconds, but it sends hundreds of ...
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847 views

IIS application request routing changes 206 partial content to 200

I've setup a reverse proxy server in an azure cloud service using IIS rewrite rules and the Application Request Routing module (according to the instructions here. Everything is working well except ...
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122 views

ARR keeps asking for authentication

I have a Windows Server 2012 R2 server with IIS and ARR installed. I have created a server farm for a website hosted inside my network (I only have 1 public IP available) but when I try to access ...
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1answer
1k views

Using URL Rewrite and ARR for redirecting to same server

The scenario: A web server running a single site under two different addresses: www.mysite.com (regular site) ws1.mysite.com (web services) Both are accessible via HTTPS, and both are running on the ...
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51 views

URL rewrite is producing 404

I'm trying to rewrite office.domain.com/app1 requests to server3:81 using the rule below, but I'm getting a 404. I can browse to server3:81 just fine. The Failed Request Tracing logs are available ...
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4k views

Is it possible to configure ARR to make TLS 1.2 outgoing connections in Server 2008 R2?

In summary, we need to use Application Request Routing 3.0 to securely reverse-proxy HTTPS requests made to a web server, to the same URL on an application server, where both servers are running ...
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243 views

How does Application Request Routing handle failed requests?

I've got a two-server rig that is load balanced using a round robin algorithm that IIS governs via Application Request Routing (and the URL rewrite feature). I've reviewed some of the documentation ...
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2answers
9k views

Why am I getting a 502 error with ARR only when SSL is enabled?

I have a configuration with ARR on a front-end server and an IIS (8) web farm behind it. SSL is enabled with the same certificate on the ARR server and the IIS web farm servers and I am not using SSL ...
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1answer
1k views

ARR Redirecting Rule (ERROR 404)

Well I'm using ARR to make IIS act as a front-end to Tomcat where my application is. The rule I'm using is working only for the first index page and that would be it. Rule is Patter (Wildcards) *...
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71 views

Redirecting using ARR 400.0 error

I have installed ARR 2.5 + hotfix on IIS 8.5, and I wanted to redirect requests coming to IIS to my Tomcat web application (Example localhost/test). I created rules and it worked successfully, but I'm ...
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1k views

Using IIS ARR and URL Rewrite to send Webservice requests to a new server

We are trying move our web services from Azure Cloud Services to Azure Web Apps and that would change their address but we have some clients that we are not able to update the address they are using, ...
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3answers
1k views

Wordpress wp-admin redirect loop behind IIS ARR Reverse Proxy

I've got a bit of a unique and interesting setup going on from what I can tell, with an interesting issue. I have a Windows Server 2012 box as my main web server hosting website.com. At http://website....
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1answer
2k views

How to use rewrite rules in iis and windows authenication

Hi I've got a server with iis, and I've made some rewrite rules for the project I'm working on. They work fine, I've tested them on a development machine and they are all fine. However on this ...
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522 views

ARR Load Balance with two Machines - Always redirect to same Site

described steps for each setup. Created a sample Application WebShareTest , hosted the application in M1(IP 36) on port (80) and same Binary I hosted in M2(IP 210) (on port 8070) I pointed some ...
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2k views

Configuring IIS ARR for backend client certificate authentication

I have an IIS server configured with ARR to reverse proxy requests to a backend server. The backend server requires client certificate authentication, however, it only needs to authenticate the ...
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1answer
2k views

How to set up ARR in active/passive (aka failover) mode?

The Problem I am trying to configure several web farms (for different sites) following the NLB+ARR architecture. Let's say I have 6 VMs: ARR+NLB cluster of 2 VMs. It receives traffic and forwards it ...
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1answer
2k views

Multiple Websites on Multiple Servers behind One Public IP

Brief I’m currently working on a project to bring two of our hosted servers (one email, one web) in-house to run alongside our other web server. Hosting one web server is fairly straightforward, but ...
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1answer
319 views

Distinguishing called URL for response rewriting for tomcat app via IIS ARR reverse proxy

Hi to the community at Serverfault! I have an issue while trying to configure my IIS to open the respective manager APP on two Tomcat Servers on the same machine. When I call the sites directly via ...
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3answers
5k views

POST of large file is timing out, when running through ARR

When POST'ing a large file through ARR, the request times out after 120 seconds. The client recieves error code 502 Bad Gateway. I have configured the "proxy timeout" of the web farm to be 600 seconds....
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227 views

Load balance and contingency server

everyone. I'm having trouble setting up a load balancing/contingency server. My scenario: I have 2 servers (Windows 2012 R2 machines) to run an application in ASP.Net/C#. My problem: Would I like to ...
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419 views

How to set server in a server farm unhealthy in IIS7 automatically when requests are not served?

I am using ARR and URL Rewrite to route incoming requests to server farm. I have added two servers to server farm. If one of the servers is either not in network or shut down, the IIS console still ...
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2k views

ARR and URL rewrite for node express website for iis server

I have an express.js website running on my localhost in my Webserver (IIS8.5). When I use ARR and url rewrite to point to localhost port 3000 where my express website is, I can access part of it from ...