Import OpenSSH 3.6p1.

1 files changed, 114 insertions, 0 deletions

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+SSHM-bM-^@M-^PAGENT(1)              BSD General Commands Manual             SSHM-bM-^@M-^PAGENT(1)
+
+^[[1mNAME^[[0m
+     ^[[1msshM-bM-^@M-^Pagent ^[[22mM-bMM-^R authentication agent
+
+^[[1mSYNOPSIS^[[0m
+     ^[[1msshM-bM-^@M-^Pagent ^[[22m[^[[1mM-bMM-^Ra ^[[4m^[[22mbind_address^[[24m] [^[[1mM-bMM-^Rc ^[[22m| ^[[1mM-bMM-^Rs^[[22m] [^[[1mM-bMM-^Rt ^[[4m^[[22mlife^[[24m] [^[[1mM-bMM-^Rd^[[22m] [^[[4mcommand^[[24m [^[[4margs^[[24m ^[[4m...^[[24m]]
+     ^[[1msshM-bM-^@M-^Pagent ^[[22m[^[[1mM-bMM-^Rc ^[[22m| ^[[1mM-bMM-^Rs^[[22m] ^[[1mM-bMM-^Rk^[[0m
+
+^[[1mDESCRIPTION^[[0m
+     ^[[1msshM-bM-^@M-^Pagent ^[[22mis a program to hold private keys used for public key authentiM-bM-^@M-^P
+     cation (RSA, DSA).  The idea is that ^[[1msshM-bM-^@M-^Pagent ^[[22mis started in the beginM-bM-^@M-^P
+     ning of an XM-bM-^@M-^Psession or a login session, and all other windows or proM-bM-^@M-^P
+     grams are started as clients to the sshM-bM-^@M-^Pagent program.  Through use of
+     environment variables the agent can be located and automatically used for
+     authentication when logging in to other machines using ssh(1).
+
+     The options are as follows:
+
+     ^[[1mM-bMM-^Ra ^[[4m^[[22mbind_address^[[0m
+             Bind the agent to the unixM-bM-^@M-^Pdomain socket ^[[4mbind_address^[[24m.  The
+             default is ^[[4m/tmp/sshM-bM-^@M-^PXXXXXXXX/agent.<ppid>^[[24m.
+
+     ^[[1mM-bMM-^Rc      ^[[22mGenerate CM-bM-^@M-^Pshell commands on stdout.  This is the default if
+             SHELL looks like itM-bM-^@M-^Ys a csh style of shell.
+
+     ^[[1mM-bMM-^Rs      ^[[22mGenerate Bourne shell commands on stdout.  This is the default if
+             SHELL does not look like itM-bM-^@M-^Ys a csh style of shell.
+
+     ^[[1mM-bMM-^Rk      ^[[22mKill the current agent (given by the SSH_AGENT_PID environment
+             variable).
+
+     ^[[1mM-bMM-^Rt ^[[4m^[[22mlife^[[0m
+             Set a default value for the maximum lifetime of identities added
+             to the agent.  The lifetime may be specified in seconds or in a
+             time format specified in sshd(8).  A lifetime specified for an
+             identity with sshM-bM-^@M-^Padd(1) overrides this value.  Without this
+             option the default maximum lifetime is forever.
+
+     ^[[1mM-bMM-^Rd      ^[[22mDebug mode.  When this option is specified ^[[1msshM-bM-^@M-^Pagent ^[[22mwill not
+             fork.
+
+     If a commandline is given, this is executed as a subprocess of the agent.
+     When the command dies, so does the agent.
+
+     The agent initially does not have any private keys.  Keys are added using
+     sshM-bM-^@M-^Padd(1).  When executed without arguments, sshM-bM-^@M-^Padd(1) adds the files
+     ^[[4m$HOME/.ssh/id_rsa^[[24m, ^[[4m$HOME/.ssh/id_dsa^[[24m and ^[[4m$HOME/.ssh/identity^[[24m.  If the
+     identity has a passphrase, sshM-bM-^@M-^Padd(1) asks for the passphrase (using a
+     small X11 application if running under X11, or from the terminal if runM-bM-^@M-^P
+     ning without X).  It then sends the identity to the agent.  Several idenM-bM-^@M-^P
+     tities can be stored in the agent; the agent can automatically use any of
+     these identities.  ^[[1msshM-bM-^@M-^Padd M-bM-^@M-^Pl ^[[22mdisplays the identities currently held by
+     the agent.
+
+     The idea is that the agent is run in the userM-bM-^@M-^Ys local PC, laptop, or terM-bM-^@M-^P
+     minal.  Authentication data need not be stored on any other machine, and
+     authentication passphrases never go over the network.  However, the conM-bM-^@M-^P
+     nection to the agent is forwarded over SSH remote logins, and the user
+     can thus use the privileges given by the identities anywhere in the netM-bM-^@M-^P
+     work in a secure way.
+
+     There are two main ways to get an agent setup: Either the agent starts a
+     new subcommand into which some environment variables are exported, or the
+     agent prints the needed shell commands (either sh(1) or csh(1) syntax can
+     be generated) which can be evalled in the calling shell.  Later ssh(1)
+     looks at these variables and uses them to establish a connection to the
+     agent.
+
+     The agent will never send a private key over its request channel.
+     Instead, operations that require a private key will be performed by the
+     agent, and the result will be returned to the requester.  This way, priM-bM-^@M-^P
+     vate keys are not exposed to clients using the agent.
+
+     A unixM-bM-^@M-^Pdomain socket is created and the name of this socket is stored in
+     the SSH_AUTH_SOCK environment variable.  The socket is made accessible
+     only to the current user.  This method is easily abused by root or
+     another instance of the same user.
+
+     The SSH_AGENT_PID environment variable holds the agentM-bM-^@M-^Ys process ID.
+
+     The agent exits automatically when the command given on the command line
+     terminates.
+
+^[[1mFILES^[[0m
+     $HOME/.ssh/identity
+             Contains the protocol version 1 RSA authentication identity of
+             the user.
+
+     $HOME/.ssh/id_dsa
+             Contains the protocol version 2 DSA authentication identity of
+             the user.
+
+     $HOME/.ssh/id_rsa
+             Contains the protocol version 2 RSA authentication identity of
+             the user.
+
+     /tmp/sshM-bM-^@M-^PXXXXXXXX/agent.<ppid>
+             UnixM-bM-^@M-^Pdomain sockets used to contain the connection to the authenM-bM-^@M-^P
+             tication agent.  These sockets should only be readable by the
+             owner.  The sockets should get automatically removed when the
+             agent exits.
+
+^[[1mAUTHORS^[[0m
+     OpenSSH is a derivative of the original and free ssh 1.2.12 release by
+     Tatu Ylonen.  Aaron Campbell, Bob Beck, Markus Friedl, Niels Provos, Theo
+     de Raadt and Dug Song removed many bugs, reM-bM-^@M-^Padded newer features and creM-bM-^@M-^P
+     ated OpenSSH.  Markus Friedl contributed the support for SSH protocol
+     versions 1.5 and 2.0.
+
+^[[1mSEE ALSO^[[0m
+     ssh(1), sshM-bM-^@M-^Padd(1), sshM-bM-^@M-^Pkeygen(1), sshd(8)
+
+BSD                           September 25, 1999                           BSD