# Unable to open Chrome - Please protect ports used by ChromeDriver and related test frameworks to prevent access by malicious code

**URL:** <https://forum.katalon.com/t/unable-to-open-chrome-please-protect-ports-used-by-chromedriver-and-related-test-frameworks-to-prevent-access-by-malicious-code/32511>\
**Category:** Web Testing\
**Tags:** katalon-studio\
**Created:** [September 3, 2019, 4:46pm UTC](https://forum.katalon.com/t/unable-to-open-chrome-please-protect-ports-used-by-chromedriver-and-related-test-frameworks-to-prevent-access-by-malicious-code/32511 "2019-09-03T16:46:49Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Puneet\_Sood\_CNA](https://avatars.discourse-cdn.com/v4/letter/p/e5b9ba/32.png) [@Puneet\_Sood\_CNA](https://forum.katalon.com/u/Puneet_Sood_CNA)\
**Post date:** [September 3, 2019, 4:46pm UTC](https://forum.katalon.com/t/unable-to-open-chrome-please-protect-ports-used-by-chromedriver-and-related-test-frameworks-to-prevent-access-by-malicious-code/32511/1 "2019-09-03T16:46:49Z")

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Hey All

**I am getting below Error and Ubable to open Chrome browser using Katalon**

Sarting ChromeDriver 74.0.3729.6 (255758eccf3d244491b8a1111aa76e1ce10d57e9-refs/branch-heads/3729@{#29}) on port

**Only local connections are allowed**  
**Please protect ports used by ChromeDriver and related test frameworks to prevent access by malicious code.**

2019-09-03 12:20:22.882 ERROR c.k.k.core.keyword.internal.KeywordMain - ❌ Unable to open browser with url: ‘[http://ccisqa.cna.com/CCIS/asp/SubmissionNew.asp?openMode=1](http://ccisqa.cna.com/CCIS/asp/SubmissionNew.asp?openMode=1)’ (Root cause: com.kms.katalon.core.exception.StepFailedException: Unable to open browser with url: ‘[http://ccisqa.cna.com/CCIS/asp/SubmissionNew.asp?openMode=1](http://ccisqa.cna.com/CCIS/asp/SubmissionNew.asp?openMode=1)’  
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.stepFailed(WebUIKeywordMain.groovy:64)  
at com.kms.katalon.core.webui.keyword.internal.WebUIKeywordMain.runKeyword(WebUIKeywordMain.groovy:26)  
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword.openBrowser(OpenBrowserKeyword.groovy:81)  
at com.kms.katalon.core.webui.keyword.builtin.OpenBrowserKeyword.execute(OpenBrowserKeyword.groovy:67)  
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:56)  
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords.openBrowser(WebUiBuiltInKeywords.groovy:60)  
at com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords$openBrowser.call(Unknown Source)  
at 01 - Add New Submission.run(01 - Add New Submission:18)

**Chrome browser is running otherwise**  
**This test is running on other browsers**  
**Chrome version 74**  
**Chrome driver version 74**

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**Author:** ![mariana.kolko](https://avatars.discourse-cdn.com/v4/letter/m/0ea827/32.png) [@mariana.kolko](https://forum.katalon.com/u/mariana.kolko)\
**Post date:** [December 17, 2019, 6:04am UTC](https://forum.katalon.com/t/unable-to-open-chrome-please-protect-ports-used-by-chromedriver-and-related-test-frameworks-to-prevent-access-by-malicious-code/32511/2 "2019-12-17T06:04:19Z")

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hello, is the above issue is solved? since i’m getting the same error, and i don’t know how to resolve it

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**Author:** ![albert.vu](https://dub1.discourse-cdn.com/katalon/user_avatar/forum.katalon.com/albert.vu/32/20595_2.png) [@albert.vu](https://forum.katalon.com/u/albert.vu)\
**Post date:** [August 8, 2022, 7:39am UTC](https://forum.katalon.com/t/unable-to-open-chrome-please-protect-ports-used-by-chromedriver-and-related-test-frameworks-to-prevent-access-by-malicious-code/32511/3 "2022-08-08T07:39:23Z")

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Archived on August 8, 2022, 7:39am UTC