Src/Private/Get-AbrADDHCPv4ScopeServerSetting.ps1
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function Get-AbrADDHCPv4ScopeServerSetting { <# .SYNOPSIS Used by As Built Report to retrieve Microsoft AD DHCP Servers Scopes Server Options from DHCP Servers .DESCRIPTION .NOTES Version: 0.2.0 Author: Jonathan Colon Twitter: @jcolonfzenpr Github: rebelinux .EXAMPLE .LINK #> [CmdletBinding()] param ( [Parameter ( Position = 0, Mandatory)] [string] $Domain, [string] $Server ) begin { Write-PscriboMessage "Discovering DHCP Servers Scope Server Options information on $($Server.ToUpper().split(".", 2)[0])." } process { $DHCPScopeOptions = Get-DhcpServerv4OptionValue -CimSession $TempCIMSession -ComputerName $Server if ($DHCPScopeOptions) { Section -Style Heading3 "Global Server Options" { $OutObj = @() Write-PScriboMessage "Discovered '$(($DHCPScopeOptions | Measure-Object).Count)' DHCP scopes server opions on $($Server)." foreach ($Option in $DHCPScopeOptions) { try { Write-PscriboMessage "Collecting DHCP Server IPv4 Scope Server Option value $($Option.OptionId) from $($Server.split(".", 2)[0])" $inObj = [ordered] @{ 'Name' = $Option.Name 'Option Id' = $Option.OptionId 'Value' = $Option.Value 'Policy Name' = ConvertTo-EmptyToFiller $Option.PolicyName } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (DHCP scopes server opions item)" } } $TableParams = @{ Name = "Scopes Server Options - $($Server.split(".", 2).ToUpper()[0])" List = $false ColumnWidths = 40, 15, 20, 25 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Option Id' | Table @TableParams try { $DHCPScopeOptions = Get-DhcpServerv4DnsSetting -CimSession $TempCIMSession -ComputerName $Server if ($DHCPScopeOptions) { Section -Style Heading4 "Global DNS Setting" { Paragraph "The following table summarises the dhcp server ipv4 global dns setting." BlankLine $OutObj = @() foreach ($Option in $DHCPScopeOptions) { try { Write-PscriboMessage "Collecting DHCP Server IPv4 global DNS Setting value from $($Server)." $inObj = [ordered] @{ 'Dynamic Updates' = $Option.DynamicUpdates 'Dns Suffix' = ConvertTo-EmptyToFiller $Option.DnsSuffix 'Name Protection' = ConvertTo-EmptyToFiller $Option.NameProtection 'Update Dns RR For Older Clients' = ConvertTo-EmptyToFiller $Option.UpdateDnsRRForOlderClients 'Disable Dns Ptr RR Update' = ConvertTo-EmptyToFiller $Option.DisableDnsPtrRRUpdate 'Delete Dns RR On Lease Expiry' = ConvertTo-EmptyToFiller $Option.DeleteDnsRROnLeaseExpiry } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (global DNS Setting Item)" } } if ($HealthCheck.DHCP.BP) { $OutObj | Where-Object { $_.'Dynamic Updates' -ne 'Always'} | Set-Style -Style Warning -Property 'Dynamic Updates' $OutObj | Where-Object { $_.'Name Protection' -eq 'No'} | Set-Style -Style Warning -Property 'Name Protection' } $TableParams = @{ Name = "Global DNS Setting - $($Server.split(".", 2).ToUpper()[0])" List = $true ColumnWidths = 40, 60 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Table @TableParams if ($HealthCheck.DHCP.BP -and ($OutObj | Where-Object { $_.'Dynamic Updates' -ne 'Always'}) -or ($OutObj | Where-Object { $_.'Name Protection' -eq 'No'})) { Paragraph "Health Check:" -Bold -Underline BlankLine if ($HealthCheck.DHCP.BP -and ($OutObj | Where-Object { $_.'Dynamic Updates' -ne 'Always'})) { Paragraph { Text "Best Practice:" -Bold Text "'Always dynamically update dns records' should be configured if secure dynamic DNS update is enabled and the domain controller is on the same host as the DHCP server." } BlankLine } if ($HealthCheck.DHCP.BP -and ($OutObj | Where-Object { $_.'Name Protection' -eq 'No'})) { Paragraph { Text "Best Practice:" -Bold Text "'Name Protection' should be configured to prevent Name Squating." } } } } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Scope DNS Setting Table)" } } } } end {} } |