Questions tagged [arr]

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

Application Request Routing (ARR) is free extension for IIS7.0+ to provide load-balancer and functionality. The purpose is increase Web application scalability and reliability through rule-based routing, client and host name affinity, load balancing of HTTP server requests, and distributed disk caching.

ARR has several features:

  • Reverse proxy/web publishing
  • Support multiple load balancing algorithms
  • Health checking
  • Caching
  • Content delivery network (CDN)
  • SSL Offloading
  • Layer 4 and 7 routing decisions
  • Usage reporting
  • Cookie based affinity
  • Application affinity opt-out
  • Rich API
  • Websocket support

ARR manual can be found in official IIS homepage.

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Web farm framework causes IIS to crash

I am having some issues after installation of ARR, and WFF on the controller server when I try and expand the servers node underneath web farms in IIS manager, IIS crashes and I get the following error: IISMANAGER_CRASH IIS Manager terminated…
Matt Evans
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ARR w/ URL Rewrite on IIS 7 - Browser identifier incorrect

I've been able to get IIS 7 with ARR and URL rewrite to work perfectly! Now my problem is, when I go to "http://support.mydomain.com.ph" it goes to my OTRS server perfectly BUT it gives me a browser warning that my browser is too old - when in fact…
Jared
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Application Request Routing (ARR)

I am in the process on installing a IIS on Win2008, which shall power PHP websites. I am not familiar with "Application Request Routing". Does it make sense to install this module, when the plan is only to run php-sites?
Eydun
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Set ARR under IIS with last-modified header for cache

I want to set ARR (IIS load balancing software) with cache that depends on the last-modified tag in the header. Every time the server gets a request it will look at the last-modified tag and if it's already cached it will take present the data that…
Noamway
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Handle lock on disk Cache by ARR Module. How release it without recycle the application pool?

I get cached disk file in the directory c:\arrCache_media\video. IIS still got an handle on the file, so i can't rename, delete or re-write the file. But i can move the file to another folder, so I try this avenue to solve my problem. I…
Cédric Boivin
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IIS - How to use appcmd to add cache control rules to ARR?

We are using IIS/ARR to act as a reverse proxy which is deployed on Windows Azure, as part of the role startup a CMD file runs which handles all of the configuration. eg: %appcmd% set config -section:webFarms /-"[name='mywebfarm']"…
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Windows Server 2008 NLB with VPS

When using network load balancing should I use a public or private IP for the node addresses? The two nodes I will be clustering have both. I have a third public IP that will be the shared IP to the internet - which the NLB cluster should receive…
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ARR+URL Rewrite with different directory structures returning 500 error

I have set the following configuration set for a reverse proxy using ARR + URL Rewrite IIS7.5 I am trying to proxy www.originurl.com/e/ through front end site www.proxyurl.com/. Note I'm mapping the proxy url to the origin url with a virtual…
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It's there a big difference between application request routing 2.5 vs application request routing 2.0

We currently use ARR 2.0 and some new feature exist in ARR 2.5! It's there a big performance difference between the two version ?
Cédric Boivin
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IIS Request Filtering blocks Application Request Routing

Using one box, I have an IIS server and a tracd server running. Via ARR, any request on the IIS server matching */trac/** is proxied through to the tracd server. Everything is working fine, except when a user requests something like…
bricelam
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iis7 domain based proxying?

I'm a longtime IIS user, but new to IIS7. I have a need in our org to route users on our multi-domain intranet, based on their domain. I'm looking at IIS because of integrated windows auth (otherwise I'd go with HAProxy on a linux box). Our users…
Alan M
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Reverse Proxy and IIS

I am trying to do something that should be rather simple, but still I can't make it work. Let's say I have 2 virtual machines on my lan. Those machines are web servers for customer-testing purposes. The old one runs IIS6 and the new one runs…
Matteo Mosca
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IIS URL rewrite troubleshooting

I'm using IIS to reverse proxy HTTP requests to a nodejs app running in the same machine. URL rewrite and ARR modules are installed and the proxy setting checked. The URL matching seems good: if I change the rule to redirect it works as expected.…
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Bad Gateway 502.3 error when using ARR in IIS

We are experiencing issues with ARR configuration when trying to proxy requests to an external web site. Our server configuration is as follows: Web server with IIS 7.5 that we control. It runs a few web sites, all via HTTPS…
Mooh
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Is there a way to deny access from internet to a domain apart to specific APIs?

I have a domain e.g. https://example.com and I need to deny connections from browsers outside of the network except to some apis like https://example.com/tablet/service/xxx where xxx might be login/app or access/data/user. Those APIs are calling…
zinon
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