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Hostname resolution overrides not working properly in Burp Suite

Breno | Last updated: Mar 17, 2023 09:05PM UTC

When I enable the "Hostname resolution overrides" option in Burp Suite and change the hostname, it works as expected and overrides the ip from the original hostname. However, when I uncheck the box to disable the option, it doesn't seem to take effect and the overridden ip is still used. My hypothesis is that Burp Suite may have an internal cache that is not overwritten every time this option is changed. - Burp Suite Professional v2023.2.3

Michelle, PortSwigger Agent | Last updated: Mar 20, 2023 08:19AM UTC

Thanks for getting in touch. We've been running some tests here and, so far, have not replicated the behavior. Can you email support@portswigger.net with the following details so we can take a closer look, please? - Are you using Burp's embedded browser or an external browser? - If you open a new browser window, is the override IP still used? - Can you also please include the output from Help -> Diagnostics for your installation of Burp?

Breno | Last updated: May 16, 2023 10:29PM UTC

Any updates on this?

Michelle, PortSwigger Agent | Last updated: May 17, 2023 07:28AM UTC

We've had some initial discussions with the developers. While the change itself may not be that complex, there are some areas we need to review to ensure there are no adverse side-effects on other functions of Burp, so I can't promise any timescales on this just yet, but we are still reviewing this issue.

Martin | Last updated: Jul 30, 2023 09:59PM UTC

Any news? The hostname resolution override is still not working.

Michelle, PortSwigger Agent | Last updated: Jul 31, 2023 08:15AM UTC

Hi We are currently monitoring how many people are affected by this issue and how frequently it causes them issues. We have linked your details to the case we have here to help us track this.

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