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GraceSolutions
299 lines
10 KiB
Markdown
299 lines
10 KiB
Markdown
# Interface Management
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This component provides cmdlets for managing network interfaces on OPNSense firewalls.
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## Overview
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The Interface Management component allows you to configure and manage network interfaces on OPNSense firewalls. It provides cmdlets for creating, viewing, modifying, and deleting interfaces, as well as configuring interface settings.
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## Cmdlets
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### Get-OPNSenseInterface
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Retrieves interface configurations from an OPNSense firewall.
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#### Parameters
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- **Name** - The name of a specific interface to retrieve. If not specified, all interfaces are returned.
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- **Type** - Filter interfaces by type (e.g., physical, vlan, bridge).
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- **Enabled** - Filter interfaces by enabled status.
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#### Examples
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```powershell
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# Get all interfaces
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Get-OPNSenseInterface
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# Get a specific interface by name
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Get-OPNSenseInterface -Name "lan"
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# Get all VLAN interfaces
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Get-OPNSenseInterface -Type "vlan"
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# Get all enabled interfaces
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Get-OPNSenseInterface -Enabled $true
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```
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### New-OPNSenseInterface
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Creates a new interface on an OPNSense firewall.
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#### Parameters
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- **Name** - The name of the interface.
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- **Description** - A description for the interface.
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- **Type** - The type of the interface (e.g., physical, vlan, bridge).
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- **Device** - The physical device for the interface.
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- **IPv4Address** - The IPv4 address for the interface.
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- **IPv4Subnet** - The IPv4 subnet mask for the interface.
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- **IPv6Address** - The IPv6 address for the interface.
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- **IPv6Subnet** - The IPv6 subnet mask for the interface.
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- **Enabled** - Whether the interface is enabled. Default is true.
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- **BlockPrivate** - Whether to block private networks. Default is false.
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- **BlockBogons** - Whether to block bogon networks. Default is false.
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- **Force** - Suppresses the confirmation prompt.
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#### Examples
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```powershell
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# Create a basic interface
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New-OPNSenseInterface -Name "opt1" -Description "Optional Interface 1" -Type "physical" -Device "em1" -IPv4Address "192.168.2.1" -IPv4Subnet "24"
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# Create a VLAN interface
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New-OPNSenseInterface -Name "vlan10" -Description "VLAN 10" -Type "vlan" -Device "em0.10" -IPv4Address "10.0.10.1" -IPv4Subnet "24"
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# Create an interface with IPv6
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New-OPNSenseInterface -Name "opt2" -Description "Optional Interface 2" -Type "physical" -Device "em2" -IPv4Address "192.168.3.1" -IPv4Subnet "24" -IPv6Address "2001:db8:1::1" -IPv6Subnet "64"
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# Create an interface with security options
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New-OPNSenseInterface -Name "dmz" -Description "DMZ Interface" -Type "physical" -Device "em3" -IPv4Address "192.168.100.1" -IPv4Subnet "24" -BlockPrivate -BlockBogons
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```
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### Set-OPNSenseInterface
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Updates an existing interface on an OPNSense firewall.
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#### Parameters
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- **Name** - The name of the interface to update.
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- **Description** - A description for the interface.
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- **IPv4Address** - The IPv4 address for the interface.
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- **IPv4Subnet** - The IPv4 subnet mask for the interface.
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- **IPv6Address** - The IPv6 address for the interface.
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- **IPv6Subnet** - The IPv6 subnet mask for the interface.
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- **Enabled** - Whether the interface is enabled.
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- **BlockPrivate** - Whether to block private networks.
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- **BlockBogons** - Whether to block bogon networks.
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- **Force** - Suppresses the confirmation prompt.
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- **PassThru** - Returns the updated interface.
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#### Examples
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```powershell
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# Update an interface's description
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Set-OPNSenseInterface -Name "lan" -Description "Updated LAN Interface"
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# Update an interface's IPv4 address
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Set-OPNSenseInterface -Name "opt1" -IPv4Address "192.168.2.254" -IPv4Subnet "24"
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# Update an interface's IPv6 address
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Set-OPNSenseInterface -Name "opt2" -IPv6Address "2001:db8:2::1" -IPv6Subnet "64"
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# Enable security options for an interface
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Set-OPNSenseInterface -Name "dmz" -BlockPrivate -BlockBogons
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# Disable an interface
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Set-OPNSenseInterface -Name "opt3" -Enabled:$false
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# Update multiple properties of an interface
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Set-OPNSenseInterface -Name "lan" -Description "Main LAN Interface" -IPv4Address "192.168.1.254" -IPv4Subnet "24" -BlockBogons -PassThru
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```
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### Remove-OPNSenseInterface
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Removes an interface from an OPNSense firewall.
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#### Parameters
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- **Name** - The name of the interface to remove.
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- **Force** - Suppresses the confirmation prompt.
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#### Examples
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```powershell
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# Remove an interface
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Remove-OPNSenseInterface -Name "opt3"
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# Remove an interface without confirmation
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Remove-OPNSenseInterface -Name "vlan20" -Force
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```
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### Get-OPNSenseInterfaceStatistics
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Retrieves interface statistics from an OPNSense firewall.
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#### Parameters
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- **Name** - The name of a specific interface to get statistics for. If not specified, statistics for all interfaces are returned.
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#### Examples
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```powershell
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# Get statistics for all interfaces
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Get-OPNSenseInterfaceStatistics
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# Get statistics for a specific interface
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Get-OPNSenseInterfaceStatistics -Name "lan"
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```
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### Apply-OPNSenseInterfaceChanges
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Applies pending interface changes on an OPNSense firewall.
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#### Parameters
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- **Force** - Suppresses the confirmation prompt.
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#### Examples
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```powershell
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# Apply interface changes
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Apply-OPNSenseInterfaceChanges
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# Apply interface changes without confirmation
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Apply-OPNSenseInterfaceChanges -Force
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```
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## Common Scenarios
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### Basic Interface Configuration
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```powershell
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# Connect to the OPNSense firewall
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Connect-OPNSense -Server "https://firewall.example.com" -ApiKey "your_api_key" -ApiSecret "your_api_secret" -SkipCertificateCheck
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# Configure the LAN interface
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Set-OPNSenseInterface -Name "lan" -Description "Main LAN Interface" -IPv4Address "192.168.1.1" -IPv4Subnet "24" -Force
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# Configure the WAN interface
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Set-OPNSenseInterface -Name "wan" -Description "WAN Interface" -BlockPrivate -BlockBogons -Force
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# Apply the changes
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Apply-OPNSenseInterfaceChanges -Force
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# Disconnect from the firewall
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Disconnect-OPNSense
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```
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### Creating VLAN Interfaces
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```powershell
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# Connect to the OPNSense firewall
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Connect-OPNSense -Server "https://firewall.example.com" -ApiKey "your_api_key" -ApiSecret "your_api_secret" -SkipCertificateCheck
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# Define VLAN interfaces
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$vlans = @(
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@{ Name = "vlan10"; Description = "Management VLAN"; Device = "em0.10"; IPv4Address = "10.0.10.1"; IPv4Subnet = "24" },
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@{ Name = "vlan20"; Description = "User VLAN"; Device = "em0.20"; IPv4Address = "10.0.20.1"; IPv4Subnet = "24" },
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@{ Name = "vlan30"; Description = "Guest VLAN"; Device = "em0.30"; IPv4Address = "10.0.30.1"; IPv4Subnet = "24" },
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@{ Name = "vlan40"; Description = "IoT VLAN"; Device = "em0.40"; IPv4Address = "10.0.40.1"; IPv4Subnet = "24" }
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)
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# Create VLAN interfaces
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foreach ($vlan in $vlans) {
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New-OPNSenseInterface -Name $vlan.Name -Description $vlan.Description -Type "vlan" -Device $vlan.Device -IPv4Address $vlan.IPv4Address -IPv4Subnet $vlan.IPv4Subnet -Force
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}
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# Apply the changes
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Apply-OPNSenseInterfaceChanges -Force
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# Disconnect from the firewall
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Disconnect-OPNSense
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```
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### Configuring Dual-Stack IPv4/IPv6 Interfaces
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```powershell
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# Connect to the OPNSense firewall
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Connect-OPNSense -Server "https://firewall.example.com" -ApiKey "your_api_key" -ApiSecret "your_api_secret" -SkipCertificateCheck
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# Define dual-stack interfaces
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$interfaces = @(
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@{ Name = "lan"; Description = "LAN Interface"; IPv4Address = "192.168.1.1"; IPv4Subnet = "24"; IPv6Address = "2001:db8:1::1"; IPv6Subnet = "64" },
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@{ Name = "opt1"; Description = "Optional Interface 1"; IPv4Address = "192.168.2.1"; IPv4Subnet = "24"; IPv6Address = "2001:db8:2::1"; IPv6Subnet = "64" },
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@{ Name = "dmz"; Description = "DMZ Interface"; IPv4Address = "192.168.100.1"; IPv4Subnet = "24"; IPv6Address = "2001:db8:100::1"; IPv6Subnet = "64" }
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)
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# Configure dual-stack interfaces
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foreach ($interface in $interfaces) {
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Set-OPNSenseInterface -Name $interface.Name -Description $interface.Description -IPv4Address $interface.IPv4Address -IPv4Subnet $interface.IPv4Subnet -IPv6Address $interface.IPv6Address -IPv6Subnet $interface.IPv6Subnet -Force
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}
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# Apply the changes
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Apply-OPNSenseInterfaceChanges -Force
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# Disconnect from the firewall
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Disconnect-OPNSense
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```
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### Monitoring Interface Statistics
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```powershell
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# Connect to the OPNSense firewall
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Connect-OPNSense -Server "https://firewall.example.com" -ApiKey "your_api_key" -ApiSecret "your_api_secret" -SkipCertificateCheck
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# Get interface statistics
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$statistics = Get-OPNSenseInterfaceStatistics
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# Display interface statistics
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$statistics | Format-Table -Property Name, Status, InBytes, OutBytes, InPackets, OutPackets, Errors
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# Check for interfaces with errors
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$interfacesWithErrors = $statistics | Where-Object { $_.Errors -gt 0 }
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if ($interfacesWithErrors) {
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Write-Output "The following interfaces have errors:"
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$interfacesWithErrors | Format-Table -Property Name, Status, Errors
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}
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# Disconnect from the firewall
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Disconnect-OPNSense
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```
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### Securing Interfaces
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```powershell
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# Connect to the OPNSense firewall
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Connect-OPNSense -Server "https://firewall.example.com" -ApiKey "your_api_key" -ApiSecret "your_api_secret" -SkipCertificateCheck
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# Get all interfaces
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$interfaces = Get-OPNSenseInterface
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# Enable security options for external interfaces
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foreach ($interface in $interfaces) {
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if ($interface.Name -eq "wan" -or $interface.Name -like "opt*") {
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Set-OPNSenseInterface -Name $interface.Name -BlockPrivate -BlockBogons -Force
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Write-Output "Enabled security options for interface $($interface.Name)"
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}
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}
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# Apply the changes
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Apply-OPNSenseInterfaceChanges -Force
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# Disconnect from the firewall
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Disconnect-OPNSense
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```
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## Notes
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- Interface changes are not applied until you call `Apply-OPNSenseInterfaceChanges`.
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- When creating or updating interfaces, ensure that the IP addresses do not conflict with other interfaces.
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- The `BlockPrivate` option blocks traffic from private networks (RFC 1918) on the interface.
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- The `BlockBogons` option blocks traffic from bogon networks (unallocated or reserved IP space) on the interface.
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- Interface names should follow OPNSense conventions (e.g., "lan", "wan", "opt1", "vlan10").
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- VLAN interfaces require the parent interface to be properly configured.
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- Consider using the `-PassThru` parameter when updating interfaces to verify the changes.
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- Interface statistics can be useful for monitoring network traffic and identifying issues.
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- When removing an interface, ensure that no other configurations (e.g., firewall rules, NAT rules) reference the interface.
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- IPv6 addresses should be specified in the standard format (e.g., "2001:db8::1").
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- IPv4 subnet masks can be specified in CIDR notation (e.g., "24" for "255.255.255.0") or dotted decimal notation (e.g., "255.255.255.0").
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