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Sophos Network Threat Detection is blocking Cypress automation tool

Adrian Ling

We run Cypress as our web automation tool and as of the past week or two Cypress has been crashing with the error message: Error: read ECONNRESET at TCP.onStreamRead (node:internal/stream_base_commons:211:20)

As I'm not in control of the Sophos Endpoint Agent I was able to get the IT team to give me the tamper password to test disabling the 'Network Threat Protection' once this was done Cypress was able to run the automated tests properly.

(Stack Overflow thread with others reporting issue)

Has something changed recently and is there someway that Sophos can fix this so I don't have to disable the network threat protection? If you need any info or help with this let me know.

Thanks

Adrian



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  • 0

    Hi Adrian,

    Thanks for reaching out to the Sophos Community Forum.

    Based on the information discussed in the thread you linked, the URL that Cypress is reaching out to is "api.cypress.io". I suggest adding this URL to the exclusions list for "Decrypt HTTPS websites using SSL/TLS".

    The post you linked also mentions the traffic going out over port 443 which leads me to believe this is the culprit.

    Edit: Progress/updates on this issue can be found in the following KBA. I suggest opening a case with Sophos Support so our teams are aware of the number of impacted customers, and so that additional logs can be gathered to aid our investigation into this issue. 
    - support.sophos.com/.../KB-000044041

    Kushal Lakhan
    Team Lead, Global Community Support
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  • 0 in reply to Qoosh

    Hi Kushal,

    thanks for replying. I found a section in the Cypress documentation that gives a list of URL to allow when using a VPN. Although I'm not using a VPN I've asked our IT team to add these URLs to the exclusions list and will report back once its been done and I've tested it.

    Thanks

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  • 0 in reply to Qoosh

    Hi Kushal,

    thanks for replying. I found a section in the Cypress documentation that gives a list of URL to allow when using a VPN. Although I'm not using a VPN I've asked our IT team to add these URLs to the exclusions list and will report back once its been done and I've tested it.

    Thanks

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