Specifies an alternative per-user configuration file. The character to ''none'' disables any escapes and makes the session fully transparent. The escape characterįollowed by a dot ('.') closes the connection followed by control-Z suspends the connection and followed by itself sends the escape character once.
The escape character is only recognized at the beginning of a line. Sets the escape character for sessions with a pty (default: '~'). The bind_address of ''localhost'' indicates that the listening port be bound for local use only, while an empty address or '*' indicates that the port However, an explicit bind_address may be used to bind the connection to a specific address. Is bound in accordance with the GatewayPorts setting. Only the superuser can forward privileged ports. port or by enclosing the address in square brackets. IPv6 addresses can be specified with an alternative syntax: Dynamic port forwardings can also be specified in the configuration file. Currently the SOCKS4 and SOCKS5 protocols are supported, and ssh willĪct as a SOCKS server. Protocol is then used to determine where to connect to from the remote machine. Whenever a connection is made to this port, the connection is forwarded over the secure channel, and the application This works by allocating a socket to listen to port on the local side, optionally bound Specifies a local ''dynamic'' application-level port forwarding. The default is ''3des''.įor protocol version 2, cipher_spec is a comma-separated list of ciphers listed in order of preference. Its use is strongly discouraged due to cryptographic weaknesses. des is only supported in the ssh client for interoperability with legacy protocol 1 implementations that do not blowfish is a fast block cipher it appears very secure and is 3des (triple-des) is anĮncrypt-decrypt-encrypt triple with three different keys. The supported values are ''3des'', ''blowfish'', and ''des''. Protocol version 1 allows specification of a single cipher. Selects the cipher specification for encrypting the session. The default value can be set on a host-by-host basis in the configuration Lines and other slow connections, but will only slow down things on fast networks. The same used by gzip(1), and the ''level'' can be controlled by the CompressionLevel option for protocol version 1. C' Requests compression of all data (including stdin, stdout, stderr, and data for forwarded X11 and TCP connections). Only useful on systems with more than one address.
Use bind_address on the local machine as the source address of the connection. a' Disables forwarding of the authentication agent connection. Keys that enable them to authenticate using the identities loaded into the agent. An attacker cannot obtain key material from the agent, however they can perform operations on the Users with the ability to bypass file permissions on the remote host (for the agent's Unix-domain socket)Ĭan access the local agent through the forwarded connection. This can also be specified on a per-host basis in a configuration file.Īgent forwarding should be enabled with caution. A' Enables forwarding of the authentication agent connection. 6' Forces ssh to use IPv6 addresses only. 4' Forces ssh to use IPv4 addresses only. 2' Forces ssh to try protocol version 2 only. 1' Forces ssh to try protocol version 1 only. If command is specified, it is executed on the remote host instead of a login shell. Using one of several methods depending on the protocol version used (see below). The user must prove his/her identity to the remote machine Ssh connects and logs into the specified hostname (with optional user name). X11 connections and arbitrary TCP ports can also be Rsh, and provide secure encrypted communications between two untrusted hosts over an insecure network. Ssh (SSH client) is a program for logging into a remote machine and for executing commands on a remote machine. D port] port: host: hostport] port: host: hostport] ] Description Ssh - OpenSSH SSH client (remote login program)
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