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application gateway monitor

Application Gateways need more troubleshooting tools. The healthy/unhealthy logging is almost useless. We need to be able to initiate a ping/netcat from the AppGw to a host to verify connectivity. We also need to be able to see the DNS cache or see a log correlating incoming requests with outgoing requests by hostnames and IP addresses,

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Scott Heath shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →

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  • John Love commented  ·   ·  Flag as inappropriate

    I would also like to see tools for managing and viewing the DNS cache or routing tables in application gateway. When moving back end web apps to a new app service plan, the IP address changes. Application gateway then marks the back end pool as down with a 404 error.

    I would love to see a powershell commands
    Get-AzApplicationGatewayDnsCache
    Clear-AzApplicationGatewayDnsCache

    This would let me migrate webapps between app service plans without needing to restart the app gateway or force a DNS reset by clearing configurations and rebuilding them.

  • Anonymous commented  ·   ·  Flag as inappropriate

    Hi,

    to obtain ApplicationGatewayFirewallLog from your Azure WAF (where are logged all important information about connections and their treatment based on OWASP rules) :

    --> Go to the Log Analytics in Azure Portal (can be found in All services) --> choose Logs and there type this query:

    AzureDiagnostics | where ResourceType == "APPLICATIONGATEWAYS" and Category == "ApplicationGatewayFirewallLog"

    I posted more info here and requested Microsoft to create appropriate documentation for this:
    https://feedback.azure.com/forums/217313-networking/suggestions/37053943-application-gateway-waf-document-how-to-get-fi

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