if cf.CertsDir != "" {
		ctxt.CertsDir = cf.CertsDir
		ctxt.certsDirSet = true
	}

	if cf.Options.FTP.Address != "" {
		ctxt.FTP = append(ctxt.FTP, fmt.Sprintf("address=%s", cf.Options.FTP.Address))
	}
	if cf.Options.FTP.PassivePortRange != "" {
		ctxt.FTP = append(ctxt.FTP, fmt.Sprintf("passive-port-range=%s", cf.Options.FTP.PassivePortRange))
	}

	if cf.Options.SFTP.Address != "" {

http://foo:80/  s:http h:foo p:/
http://foo:81/  s:http h:foo port:81 p:/
httpa://foo:80/  s:httpa p://foo:80/
http://foo:-80/
https://foo:443/  s:https h:foo p:/
https://foo:80/  s:https h:foo port:80 p:/
ftp://foo:21/  s:ftp h:foo p:/
ftp://foo:80/  s:ftp h:foo port:80 p:/
gopher://foo:70/  s:gopher h:foo p:/
gopher://foo:443/  s:gopher h:foo port:443 p:/
ws://foo:80/  s:ws h:foo p:/
ws://foo:81/  s:ws h:foo port:81 p:/

      - "https://server{1...2}-pool2:9000/mnt/disk{1...4}/"
      - "https://server3-pool2:9000/mnt/disk{1...4}/"
      - "https://server4-pool2:9000/mnt/disk{1...4}/"
  # more args

options:
  ftp: # settings for MinIO to act as an ftp server
    address: ":8021"
    passive-port-range: "30000-40000"
  sftp: # settings for MinIO to act as an sftp server
    address: ":8022"
    ssh-private-key: "/home/user/.ssh/id_rsa"
```

        - 'https://server{1...2}-pool2:9000/mnt/disk{1...4}/'
        - 'https://server3-pool2:9000/mnt/disk{1...4}/'
        - 'https://server4-pool2:9000/mnt/disk{1...4}/'

options:
  ftp: # settings for MinIO to act as an ftp server
        address: ':8021'
        passive-port-range: '30000-40000'
  sftp: # settings for MinIO to act as an sftp server
        address: ':8022'

        - 'https://server1-pool2:9000/mnt/disk{1...4}/'
        - 'https://server3-pool2:9000/mnt/disk{1...4}/'
        - 'https://server4-pool2:9000/mnt/disk{1...4}/'

options:
  ftp: # settings for MinIO to act as an ftp server
        address: ':8021'
        passive-port-range: '30000-40000'
  sftp: # settings for MinIO to act as an sftp server
        address: ':8022'

        - 'https://server1-pool2:9000/mnt/disk{1...4}/'
        - 'https://server3-pool2:9000/mnt/disk{1...4}/'
        - 'https://server4-pool2:9000/mnt/disk{1...4}/'

options:
  ftp: # settings for MinIO to act as an ftp server
        address: ':8021'
        passive-port-range: '30000-40000'
  sftp: # settings for MinIO to act as an sftp server
        address: ':8022'

import org.codelibs.fess.Constants;
import org.codelibs.fess.app.service.FileAuthenticationService;
import org.codelibs.fess.crawler.client.CrawlerClientFactory;
import org.codelibs.fess.crawler.client.ftp.FtpAuthentication;
import org.codelibs.fess.crawler.client.smb.SmbAuthentication;
import org.codelibs.fess.es.config.bsentity.BsFileConfig;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.util.ComponentUtil;

        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.file_auth_scheme_ftp"), Constants.FTP));
        RenderDataUtil.register(data, "protocolSchemeItems", itemList);
    }

    protected void registerFileConfigItems(final RenderData data) {

        }
    }

    protected boolean isFileSystemPath(final String url) {
        return url.startsWith("file:") || url.startsWith("smb:") || url.startsWith("smb1:") || url.startsWith("ftp:")
                || url.startsWith("storage:");
    }

        }

        final boolean isSmbUrl = url.startsWith("smb:") || url.startsWith("smb1:");
        final boolean isFtpUrl = url.startsWith("ftp:");
        final boolean isSmbOrFtpUrl = isSmbUrl || isFtpUrl;

        // replacing url with mapping data
        url = ComponentUtil.getPathMappingHelper().replaceUrl(url);