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Unable to maintain keep alive connection while using burp suite

Jatin Nov 29, 2019 01:25PM UTC

Hi, I am trying to test a webapp for vulnerabilities. I am using keep alive connections for my app's functioning, it works fine when i am not using burp as a proxy. But i am unable to maintain keep alive connections when using burp. Plese suggest any way to maintain a keep alive connection using burp.

Mike Eaton Dec 02, 2019 11:20AM UTC Support Center agent

Hi Jatin, inside Proxy > Options > Miscellaneous, do you have ‘Set ’Connection Close’ on incoming requests’ enabled?

Burp Suite is set by default to automatically close connections as this can often have performance benefits.

Jatin Dec 05, 2019 06:15AM UTC
Hi Mike, I have already tried that but that didn't work in my case.

Mike Eaton Dec 05, 2019 01:33PM UTC Support Center agent

Hi Jatin, I have just spoken to our Burp Suite development team. Burp Suite will automatically close connections when proxying traffic as it provides significant performance and reliability benefits.

The setting I referred to previously will stop Burp from injecting a ‘Connection: close’ header when proxying traffic which can help in certain scenarios, however, it doesn’t prevent it from closing the connection.

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