src/Ovh/Dedicated/Server/ServerClient.php
public function setBackupFTPaccessBlock($domain,$ipBlock, $ftp, $nfs, $cifs)
	{
		$domain = (string)$domain;
		if (!$domain)
			throw new BadMethodCallException('Parameter $domain is missing.');
		if (!$ipBlock)
			throw new BadMethodCallException('Parameter $ipBlock is missing.');
		if (!$ftp)
			throw new BadMethodCallException('Parameter $ftp is missing.');
		if (!$nfs)
			throw new BadMethodCallException('Parameter $nfs is missing.');
		if (!$cifs)
			throw new BadMethodCallException('Parameter $cifs is missing.');

		$payload = array('ftp' => ($ftp=='on') , 'nfs' => ($nfs=='on') , 'cifs' => ($cifs=='on') );
			
        try {
            $r = $this->put('dedicated/server/' . $domain . '/features/backupFTP/access/'.urlencode($ipBlock),array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
        } catch (\Exception $e) {
            throw new ServerException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
	}
public function setBackupFTPaccessBlock($domain,$ipBlock, $ftp, $nfs, $cifs)
	{
		$domain = (string)$domain;
		if (!$domain)
			throw new BadMethodCallException('Parameter $domain is missing.');
		if (!$ipBlock)
			throw new BadMethodCallException('Parameter $ipBlock is missing.');
		if (!$ftp)
			throw new BadMethodCallException('Parameter $ftp is missing.');
		if (!$nfs)
			throw new BadMethodCallException('Parameter $nfs is missing.');
		if (!$cifs)
			throw new BadMethodCallException('Parameter $cifs is missing.');

		$payload = array('ftp' => ($ftp=='on') , 'nfs' => ($nfs=='on') , 'cifs' => ($cifs=='on') );
			
        try {
            $r = $this->put('dedicated/server/' . $domain . '/features/backupFTP/access/'.urlencode($ipBlock),array('Content-Type' => 'application/json;charset=UTF-8'), json_encode($payload))->send();
        } catch (\Exception $e) {
            throw new ServerException($e->getMessage(), $e->getCode(), $e);
        }
        return $r->getBody(true);
	}
Get Set backupFTP ACL

@param 	$domain -> Server that this applies to
@param	$ipblock -> ip block this applies to
@return 	object result set

throws BadMethodCallException if any param is not defined
usual handling for 400/404 errors