# Set proxy and user agent with external libraries?

**URL:** <https://forum.katalon.com/t/set-proxy-and-user-agent-with-external-libraries/18500>\
**Category:** Web Testing\
**Tags:** katalon-studio\
**Created:** [January 29, 2019, 9:49pm UTC](https://forum.katalon.com/t/set-proxy-and-user-agent-with-external-libraries/18500 "2019-01-29T21:49:26Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![cookieontube](https://avatars.discourse-cdn.com/v4/letter/c/c0e974/32.png) [@cookieontube](https://forum.katalon.com/u/cookieontube)\
**Post date:** [February 3, 2019, 8:45pm UTC](https://forum.katalon.com/t/set-proxy-and-user-agent-with-external-libraries/18500/13 "2019-02-03T20:45:41Z")

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i’m sorry for not adding more details. This is a post where i’ve described the problem as detailed as possible:

> [@Proxy auth not submitting correctly](http://forum.katalon.com/t/proxy-auth-not-submitting-correctly/18739):
>
> I have noticed that when authenticating with the proxy server the username parameter is not passed in the test suite. This results as Katalon not authenticating correctly and on the Open Browser keyword execution the webpage loads an auth pupup for the proxy connection. Here’s more details about the test i was attempting to execute: This is the screenshot of the problem, Katalon doesn’t authenticate Chrome to the proxy server: These are my proxy settings: And this is my test code: After …

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