CmdID / PowerShell / Cmdlets / Get
Get-ClientAccessRule
Use the Get-ClientAccessRule cmdlet to view client access rules. Exchange PowerShell reference
From the Exchange PowerShell reference 4 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the client access rule that you want to view.-Confirm, -cfThis parameter is reserved for internal Microsoft use.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-WhatIf, -wiThis parameter is reserved for internal Microsoft use.