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Domain with underscore gives error

Raf | Last updated: Aug 12, 2022 03:34PM UTC

I am trying to perform some tests on a website which domain name contains the underscore character '_' , the browser throws a 'ERR_SSL_PROTOCOL_ERROR', it doesn't even intercept requests made to the website and the only workaround is to manually substitute the domain name with the IP address before making the request.

Michelle, PortSwigger Agent | Last updated: Aug 12, 2022 03:45PM UTC

Thanks for getting in touch. Can you confirm which version of Burp you are using and which of the tools you were using within Burp, please? Are you happy to share some screenshots with us, if so can you send them over to support@portswigger.net, please?

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