Update network-requirements.md

[hadasYaakobovitchM]

added IPs to portal access and siem agent sections removed third party dlp integration- approved by Lilach Tofach Zohar removed a domain in the commercial customers section

[prmerger-automator[bot]]

@hadasYaakobovitchM : Thanks for your contribution! The author(s) have been notified to review your proposed change.

[learn-build-service-prod[bot]]

Learn Build status updates of commit a6550af:

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File	Status	Preview URL	Details
CloudAppSecurityDocs/network-requirements.md	:white_check_mark:Succeeded

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[learn-build-service-prod[bot]]

Learn Build status updates of commit e3834e5:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
CloudAppSecurityDocs/network-requirements.md	:white_check_mark:Succeeded

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[batamig]

updated from the private repo instead

please-close