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PSFletchTheTek's avatar
PSFletchTheTek
Icon for MVP rankMVP
Jun 23, 2022

APM RDP Access not working - I'm sure I'm missing something!

Hi All,

I've setup APM with RDP Access many times now, I'm getting this error message.

 

I can't for the life of me remember what this means or where to go looking in the logs to try to understand what it means. I'm sure i've forgotten to do something! I'm just looking for a hint on where to look!

Thanks - Fletch

application delivery
  • buulam's avatar
    buulam
    Jun 25, 2022

    Thanks for the update PSFletchTheTek . I haven't encountered that scenario myself. I did a quick search of the forums and didn't see anything either. If that is managed by another team in your org, maybe they can do some tracing for you?

  • buulam's avatar
    buulam
    Icon for Admin rankAdmin
    Jun 25, 2022

    Thanks for the update PSFletchTheTek . I haven't encountered that scenario myself. I did a quick search of the forums and didn't see anything either. If that is managed by another team in your org, maybe they can do some tracing for you?

    • PSFletchTheTek's avatar
      PSFletchTheTek
      Icon for MVP rankMVP
      Jun 27, 2022

      Yeah someone is looking at it now!
      I think its contents inspection getting in the way.

      • JamesCrk's avatar
        JamesCrk
        Icon for Cirrus rankCirrus
        Mar 16, 2023

        Did you figure this out? We have the exact issue, over a hundred users (all on the same company issued laptops) work fine, where as 3 do not work with same error as above.

         

        In the APM logs we do not see the entry "Starting RDP 'Desktop' from resource " like we do with working users so it has to be th elocal machine and traffic not actually reaching F5.. but what ont he local machine? I should mention these users sit in the same office, so same wifi/firewall/public Ip etc.

  • buulam's avatar
    buulam
    Icon for Admin rankAdmin
    Jun 23, 2022

    Hey PSFletchTheTek are you able to check the path between the self IP and the target server for connectivity with TCP 3389 (or other port if specified)?

    • PSFletchTheTek's avatar
      PSFletchTheTek
      Icon for MVP rankMVP
      Jun 24, 2022

      So..... 

      After many hours of blaming my config, i tried a couple of other laptops/device to see if they worked.
      Two were work laptops and neither of them worked (I was testing on my primary work laptop in the first instance and reference for this post) I then tried my family laptop and it WORKED FIRST TIME!!!!!!!
      So, at a guess now our corporate cisco anyconnect/umbrella configuration is blocking encapsulated traffic payloads at some point on its inspection process.

      I’ve now got a colleague in the team that looks after that on our corporate team having a quick look at the logs to see if they can see anything.

      So thanks all for the help, but it looks like it wasn’t the f5!
      Has anyone had issues with anyconnect/umbrella before for ssl vpn and rdp over ssl???
      Any suggestions dually taken!

      Thanks - Fletch