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Summary: Apparently about 2 years ago CIT deprecated the URL we were using in our WebApp and didn't inform us or others on campus, nor did they document they added an alias. This weekend, Cornell moved KFS to Amazon Web Services (AWS). The move to AWS broke the aliases to their deprecated URLs, and this broke our URL and at least one other system on campus, and surprised CIT staff. The removal of aliases to deprecated URLs will also break connections for folks using old URLs to the KFS service when using the KFS browser-based tools, which is why they should not depend on "deep" URLs and instead use top-level URLs such as <kfs.cornell.ed> or the like. That is not an option for our system.
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