George Georgovassilis writes about information technology architecture
Update 2023/01/04: I was wrong. Microsoft Support pointed out that each external APIM instances is assigned a globally unique DNS entry and mine was just too generic. Giving the API management resource a unique name for the region it runs in (eg. by appending a random number) solves the issue. I'm writing a Terraform template … Continue reading Azure: Service API already exists
Organisations which manage identities and user authentication with Office365 account use single sign on for web-, desktop- and mobile apps. The user experience usually consists of a web-based login form and a second-factor notification on the Microsoft authenticator app or an SMS sent to the phone. Microsoft login screen The authenticator app can manage multiple … Continue reading Can’t log into Azure tenant after resetting Microsoft authenticator
TL;DR: moving to the public cloud consolidates many small risks into few large ones. A recent GCP cloud outage (https://status.cloud.google.com/incident/cloud-networking/20004) highlights an issue with running more and more parts of the internet on the same infrastructure: as more computing resources consolidate in large cloud providers' data centres, the risk of a significant, global outage of … Continue reading Cloud vs. on-premises is about shaping risk
AWS lambda is a neat feature that runs code in response to requests and transforms the code's output into some response. Requests can be an event occurring in the AWS platform such as an S3 modification or an HTTP request. The response is an MVC-style model which needs to pass through some network component, like … Continue reading AWS diaries: serving HTML from lambda
Context: as a tenant administrator you can't inspect KeyVault contents created by other people ("you are unauthorized to view these contents"). Solution: assign yourself appropriate permissions like this: Locate the KeyVault in the Azure portal: go to "Access policies"click "+Add Access Policy"Key permissions: everything under "Key Management Operations" and "Cryptographic Operations"Accordingly for key and certificate … Continue reading Azure diaries: can’t access KeyVault
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