![]() ![]() For more information, see Order and precedence of email protection.Īllow up to 6 hours for a new or updated policy to be applied.įor more information about licensing requirements, see Licensing terms. Microsoft Entra permissions: Membership in the Global Administrator, Security Administrator, Global Reader, or Security Reader roles gives users the required permissions and permissions for other features in Microsoft 365.įor our recommended settings for Safe Links policies, see Safe Links policy settings.Įxceptions to Built-in protection for Safe Links or settings in custom Safe Links policies are ignored if a recipient is also included in the Standard or Strict preset security policies.View-Only Organization Management in Exchange Online RBAC.Global Reader or Security Reader in Email & collaboration RBAC.Read-only access to policies: Membership in one of the following role groups:.Create, modify, and delete policies: Membership in the Organization Management or Security Administrator role groups in Email & collaboration RBAC and membership in the Organization Management role group in Exchange Online RBAC.Email & collaboration permissions in the Microsoft Defender portal and Exchange Online permissions:.Microsoft Defender XDR Unified role based access control (RBAC) (Affects the Defender portal only, not PowerShell): Authorization and settings/Security settings/Core Security settings (manage) or Authorization and settings/Security settings/Core Security settings (read).You need to be assigned permissions before you can do the procedures in this article. To connect to Exchange Online PowerShell, see Connect to Exchange Online PowerShell. To go directly to the Safe Links page, use. You open the Microsoft Defender portal at. What do you need to know before you begin? You configure Safe Links policies in the Microsoft Defender portal or in Exchange Online PowerShell. For more information, see Preset security policies in EOP and Microsoft Defender for Office 365.įor greater granularity, you can also use the procedures in this article to create Safe Links policies that apply to specific users, group, or domains. Recipients who are specified in the Standard or Strict preset security policies or in custom Safe Links policies aren't affected. For more information, see Safe Links in Microsoft Defender for Office 365.Īlthough there's no default Safe Links policy, the Built-in protection preset security policy provides Safe Links protection to all recipients by default. In organizations with Microsoft Defender for Office 365, Safe Links provides URL scanning of links in messages, Microsoft Teams, and supported Office 365 apps. If you are a home user looking for information about Safelinks in Outlook, see Advanced security. Replace the decoder if there is any visible damage to the device, or if nearby decoders or controllers have been damaged.This article is intended for business customers who have Microsoft Defender for Office 365. The decoder is a complex electronic part and it is not possible to fully test whether it is working. Surge protection inside the decoder can wear out, and a decoder should be replaced when it might have been damaged by a lightning strike in the immediate vicinity. The ground should be tested regularly for resistance. Ground resistance measurements should be performed with a "fall of potential" type meter in decoder systems. A "clamp on meter" cannot be used for ground measurement, since this is an isolated system. The ground should always be measured with a ground resistance meter. It is important that both the controller and the decoders are grounded to ground rods or plates with less than 10 Ohms resistance. There is no limit on the number of ground connections in a decoder system. For higher levels of protection, ground the decoders more frequently. The minimum recommended level of protection is to have one decoder grounded at the end of each wire path and one decoder grounded every 1,000 ft/300 m or 12th decoder. A good surge protection system works by totally protecting the system from small to medium lightning storm effects, and by minimizing the effect of large lightning storms.
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