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Monthly Archives: April 2020

Find blocked requests by Azure WAF in Log Analytics

Assuming that you have correctly connected Azure WAF to Log Analytics you can run a simple query to list all the requests that have been blocked by WAF

AzureDiagnostics
| where ResourceType == "FRONTDOORS" and Category == "FrontdoorWebApplicationFirewallLog"
| where action_s == "Block"
| order by TimeGenerated desc 

HTTP Methods for RESTful Services

For so many times I am wondering which HTTP method should be used when I want to add, replace or modify a resource. Table below summarizes all the common methods and what they are doing.

HTTP VerbCRUDMeaning
GETReadGet the resource.
POSTCreateCreate NEW resource.
PATCHUpdate/ModifyModify part of the existing resource. Send only data you want to change.
PUTUpdate/ReplaceReplace the existing resource with new one.
DELETEDeleteDelete the resource

Source: https://www.restapitutorial.com/lessons/httpmethods.html