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Why is Burp Suite Pro is being blocked?

Kevin | Last updated: Jan 13, 2019 04:10PM UTC

I have noticed that whenever I try to intercept data from these API endpoints over HTTP that the requests are blocked. Does anyone know why Burp is being blocked? Here's a video demonstration: https://www.youtube.com/watch?v=gQovB7-Lmi4 Any help would be appreciated.

Burp User | Last updated: Jan 13, 2019 09:15PM UTC

I have resolved the issue. The "Param Miner" plugin started (silently) appending /?randomdata to every request while it was enabled. Even while it was not in use. This may be a bug in param miner.

PortSwigger Agent | Last updated: Jan 14, 2019 09:09AM UTC

Param Miner has an option to "Add dynamic cachebuster" that adds a random parameter to every request. I suggest you turn this off. Cache busters will still be added to requests generated by Param Miner.

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