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Proxy errors ERR_CONNECTION_RESET with HTTP Status 304 after upgrade for TLS 1.2

Question asked by CWA210@mt.gov_montana on May 2, 2019
Latest reply on May 7, 2019 by CWA210@mt.gov_montana

After the TLS 1.2 deadline, our proxy.asxh script (which is the latest, version 1.1.2) is throwing errors when using web maps. The errors seem to be intermittent, like when fetching tiles from an image service. The errors are showing as ERR_CONNECTION_RESET in Chrome developer console, and as HTTP 304 errors in the proxy log. Are there some additional IIS settings that have to be configured, perhaps? Our environment is Windows Server 2008 R2, IIS7, and dot net framework 4.0. The mapping applications are using the latest Javascript 3.X (3.28) version.

 

Any help, or anyone run into something similar? Thanks.

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