org.vngx.jsch.constants.SSHConstants Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2011 Michael Laudati, N1 Concepts LLC.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The names of the authors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL N1
* CONCEPTS LLC OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.vngx.jsch.constants;
/**
* General constants for the SSH library.
*
* @author Michael Laudati
*/
public interface SSHConstants {
/**
* Default port for SSH connections over TCP/IP.
*
* When used over TCP/IP, the server normally listens for connections on
* port 22. This port number has been registered with the IANA, and has
* been officially assigned for SSH.
*
* RFC 4253 -
* The Secure Shell (SSH) Transport Layer Protocol: Use over TCP/IP
*/
int DEFAULT_SSH_PORT = 22;
/** Constant for localhost address "127.0.0.1". */
String LOCALHOST = "127.0.0.1";
/** Default path where known host keys are stored locally. */
String KNOWN_HOSTS = "known_hosts";
/**
* Constant for standard version SSH 2.0 used during client/server
* version exchange.
*
* RFC 4253 -
* The Secure Shell (SSH) Transport Layer Protocol: Protocol Version
* Exchange
*/
String SSH_VERSION_2_0 = "SSH-2.0";
/**
* Constant for standard version SSH 2.0 with backwards compatability
* with older 1.x SSH versions used during client/server version
* exchange.
*
* Server implementations MAY support a configurable compatibility flag
* that enables compatibility with old versions. When this flag is on, the
* server SHOULD identify its 'protoversion' as "1.99". Clients using
* protocol 2.0 MUST be able to identify this as identical to "2.0".
*
* RFC 4253 -
* The Secure Shell (SSH) Transport Layer Protocol: Compatibility With Old
* SSH Versions
*/
String SSH_VERSION_1_99 = "SSH-1.99";
}