Cyber Risks · PortSwigger Research

Troubleshooting common errors within Burp Suite - Port Swigger

Summary: PortSwigger's troubleshooting guide for Burp Suite walks users through common launch and proxy failures, including running Burp from the command line with the -jar argument and confirming that the executing Java version is 21 or later. It also covers browser-side issues, such as configuring the browser to proxy both HTTP and HTTPS through Burp, installing Burp's CA certificate so HTTPS applications function properly, and setting up platform authentication under Settings > Network > Connections.

Bottom line: The guide's repeated fix for broken interception is restoring default request and response interception rules and confirming the browser proxies both HTTP and HTTPS - a misconfigured proxy or missing CA certificate silently drops the traffic a tester believes is being inspected.

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Topics
Vulnerabilities & Patching
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