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Connection issues for Microsoft (Skype, Office365) after enabling DPI services

12/20/2019 219 People found this article helpful 114,125 Views

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    Description

    When you enable App Control and block the signature ID 5 or ID 7, it may cause connection issues with Microsoft applications such as Skype, Skype for Business and Office 365.

    Image

    Image

    SID 5 is for TCP Random Encryption and SID 6 is for UDP Random Encryption.  This article shows you how to create a Access Rule to fix such communication issues for Microsoft Applications. This article also applies to excluding traffic from DPI-SSL.

    Resolution

     Create Address Group with Microsoft FQDNs & IPs

    1. Login to your SonicWall management page and click Manage tab on top of the page.
    2.  Navigate to Objects |Address Objects page. On right Side, Click on Address Groups Tab and select View as Custom.
    3. Click Add button under Address Groups, to get Add Address Object Group Window.
    4.  Name: MS_Applications.
    5.  Add Address Objects, which you created for MS FQDNs & IPs to Right side of table.
    6.  Click OK.
      Image

    Skype relevant objects:

    Name Zone Type IP/HostName
    api.skype.com WAN FQDN api.skype.com
    apps.skype.com WAN FQDN apps.skype.com
    community.skype.com WAN FQDN community.skype.com
    download.skype.com WAN FQDN download.skype.com
    login.skype.com WAN FQDN login.skype.com
    pipe.skype.com WAN FQDN pipe.skype.com
    secure.skype.com WAN FQDN secure.skype.com
    .lync.com WAN FQDN .lync.com
    .pipe.aria.microsoft.com WAN FQDN .pipe.aria.microsoft.com
    .infra.lync.com WAN FQDN .infra.lync.com
    .online.lync.com WAN FQDN .online.lync.com
    .resources.lync.com WAN FQDN .resources.lync.com
    pipe.skype.com WAN FQDN pipe.skype.com
    swx.cdn.skype.com WAN FQDN swx.cdn.skype.com
    .config.skype.com WAN FQDN .config.skype.com
    config.edge.skype.com WAN FQDN config.edge.skype.com
    .sfbassets.com WAN FQDN .sfbassets.com
    .urlp.sfbassets.com WAN FQDN .urlp.sfbassets.com
    .skypeforbusiness.com WAN FQDN .skypeforbusiness.com
    skypemaprdsitus.trafficmanager.net WAN FQDN skypemaprdsitus.trafficmanager.net
    graph.skype.com WAN FQDN graph.skype.com
    .users.storage.live.com WAN FQDN .users.storage.live.com
    SKYPE-01 WAN Network  64.4.23.0/255.255.255.0
    SKYPE-02 WAN Network 65.55.223.0/255.255.255.0
    SKYPE-03 WAN Network 11.221.77.0/255.255.255.0
    SKYPE-04 WAN Network 157.55.56.0/255.255.255.0
    SKYPE-05 WAN Network 157.55.130.0/255.255.255.0
    SKYPE-06 WAN Network 155.55.235.0/255.255.255.0
    SKYPE-07 WAN Network 157.56.22.0/255.255.255.0


    Office relevant Objects

    You can visit Microsoft Services : Office365 URLs and IPs

    Create Access Rule to By-Pass DPI

    1. Login to your SonicWall management page and click Manage tab on top of the page.
    2. Navigate to Rules | Access Rules page. On right side, click Add button..
    3.  In Add Rule Window, create an Access Rule From LAN To WAN zone as below.Image
    4. Then click Advanced and enable Disable DPI  checkbox. Click Add .
      Image

    Related Articles

    • How to remove 2FA for admin using CLI
    • 2FA authentication error using TOTP "Please try again later"
    • Methods to add Address Objects

    Categories

    • Firewalls > NSa Series > Application Firewall
    • Firewalls > NSv Series > Application Firewall
    • Firewalls > TZ Series > Application Firewall

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