?: throw IllegalArgumentException("unexpected host: $host")
        this.host = encoded
      }

    fun port(port: Int) =
      apply {
        require(port in 1..65535) { "unexpected port: $port" }
        this.port = port
      }

    fun addPathSegment(pathSegment: String) =
      apply {

public class SampleServer extends Dispatcher {
  private final SSLContext sslContext;
  private final String root;
  private final int port;

  public SampleServer(SSLContext sslContext, String root, int port) {
    this.sslContext = sslContext;
    this.root = root;
    this.port = port;
  }

  public void run() throws IOException {
    MockWebServer server = new MockWebServer();

    private boolean tempDocRoot = false;

    public CrawlerWebServer(final int port) {
        this(port, createDocRoot(3));
        tempDocRoot = true;
    }

    public CrawlerWebServer(final int port, final File docRoot) {
        this.docRoot = docRoot;

        server = new Server(port);

        final ResourceHandler resourceHandler = new ResourceHandler();

    ##
    enabled: false
    ## @param networkPolicy.egress.ports Add individual ports to be allowed by the egress
    ## Add ports to the egress by specifying - port: <port number>
    ## E.X.
    ## - port: 80
    ## - port: 443
    ## - port: 53
    ##   protocol: UDP
    ##
    ports: []
    ## @param networkPolicy.egress.to Allow egress traffic to specific destinations

		// prior connection, so no validation for now.
	} else {
		// Some fields need to be specified when ConnectionString is unspecified
		if p.Port == "" {
			return fmt.Errorf("unspecified port")
		}
		if _, err := strconv.Atoi(p.Port); err != nil {
			return fmt.Errorf("invalid port")
		}
		if p.Database == "" {
			return fmt.Errorf("database unspecified")
		}
	}

	if p.QueueDir != "" {

```

## Advanced options

### Change default FTP port

Default port '8021' can be changed via

```
--ftp="address=:3021"
```

### Change FTP passive port range

By default FTP requests OS to give a free port automatically, however you may want to restrict
this to specific ports in certain restricted environments via

```
--ftp="passive-port-range=30000-40000"
```

### Change default SFTP port

package http

import (
	"context"
	"net"
	"time"
)

// CheckPortAvailability - check if given host and port is already in use.
// Note: The check method tries to listen on given port and closes it.
// It is possible to have a disconnected client in this tiny window of time.
func CheckPortAvailability(host, port string, opts TCPOptions) (err error) {
	lc := &net.ListenConfig{}

  }

  @Override public ServerSocket createServerSocket(int port) throws IOException {
    return createServerSocket();
  }

  @Override public ServerSocket createServerSocket(int port, int backlog) throws IOException {
    return createServerSocket();
  }

  @Override public ServerSocket createServerSocket(
      int port, int backlog, InetAddress inetAddress) throws IOException {
    return createServerSocket();

    // No port, bad default.
    checkFromStringCase("google.com", -1, "google.com", -1, false);
    checkFromStringCase("192.0.2.1", 65536, "192.0.2.1", -1, false);
    checkFromStringCase("[2001::1]", -1, "2001::1", -1, false);
    checkFromStringCase("2001::3", 65536, "2001::3", -1, false);
  }

  public void testFromStringUnusedDefaultPort() {
    // Default port, but unused.

        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if (port == -1) {
            port = getDefaultPort();
        }
        setURL(u, "smb", u.getHost(), port, u.getAuthority(), u.getUserInfo(), path, u.getQuery(), null);
    }