function Write-IcingaAgentApiConfig()
{
    param (
        [int]$Port          = 5665,
        [string]$CipherList = $null
    );

    [string]$ApiConf = '';

    $ApiConf = [string]::Format('{0}object ApiListener "api" {1}{2}', $ApiConf, '{', "`r`n");
    $ApiConf = [string]::Format('{0}    accept_commands = true;{1}', $ApiConf, "`r`n");
    $ApiConf = [string]::Format('{0}    accept_config = true;{1}', $ApiConf, "`r`n");
    $ApiConf = [string]::Format('{0}    bind_host = "::";{1}', $ApiConf, "`r`n");
    $ApiConf = [string]::Format('{0}    bind_port = {1};{2}', $ApiConf, $Port, "`r`n");
    if ([string]::IsNullOrEmpty($CipherList) -eq $FALSE) {
        $ApiConf = [string]::Format('{0}    cipher_list = "{1}";{2}', $ApiConf, $CipherList, "`r`n");
    }
    $ApiConf = [string]::Format('{0}{1}{2}{2}', $ApiConf, '}', "`r`n");

    $ApiConf = $ApiConf.Substring(0, $ApiConf.Length - 4);

    Write-IcingaFileSecure -File (Join-Path -Path (Get-IcingaAgentConfigDirectory) -ChildPath 'features-available\api.conf') -Value $ApiConf;
    Write-IcingaConsoleNotice 'Api configuration has been written successfully';
}