function Add-ZabbixFirewallRules {
    param (
        [Parameter(Mandatory=$true)]
        [string]$FilePath,
        
        $RuleName = "Zabbix Agent 2"
    )

    begin {
        # Ensure the required module is available
        if (-not (Get-Module -Name NetSecurity)) {
            Import-Module NetSecurity -ErrorAction Stop
        }

        $splat = @{
                DisplayName = $ruleName 
                Program = $FilePath 
                Action = 'Allow'
                ErrorAction = 'Stop'
                }

        $directionList = 'Outbound', 'Inbound'
    }

    process {
        try {
            
            foreach ($direction in $directionList) {

                # Check if the rule already exists
                $existingRule = Get-NetFirewallRule -DisplayName $ruleName -ErrorAction SilentlyContinue | ? {$_.Direction -eq $direction}

                if ($null -eq $existingRule) {
                    Write-Verbose "Creating new firewall rule..."
                
                    New-NetFirewallRule @splat -Direction $direction
                
                    Write-Verbose "Firewall rule created successfully."
                } else {
                    Write-Verbose "Firewall rule already exists. No changes made."
                }
            }
        } catch {
            Write-Error "An error occurred while setting the firewall rule: $_"
            throw
        }
    }

    end {
        # Optionally, you can add any cleanup or finalization logic here if needed.
    }
}