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Annotation of src/usr.bin/ssh/scp.1, Revision 1.87

1.1       deraadt     1: .\"
                      2: .\" scp.1
                      3: .\"
                      4: .\" Author: Tatu Ylonen <ylo@cs.hut.fi>
                      5: .\"
                      6: .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
                      7: .\"                    All rights reserved
                      8: .\"
                      9: .\" Created: Sun May  7 00:14:37 1995 ylo
                     10: .\"
1.87    ! jmc        11: .\" $OpenBSD: scp.1,v 1.86 2019/06/12 11:31:50 jmc Exp $
1.1       deraadt    12: .\"
1.87    ! jmc        13: .Dd $Mdocdate: June 12 2019 $
1.3       aaron      14: .Dt SCP 1
                     15: .Os
                     16: .Sh NAME
                     17: .Nm scp
1.87    ! jmc        18: .Nd OpenSSH secure file copy
1.3       aaron      19: .Sh SYNOPSIS
                     20: .Nm scp
1.85      djm        21: .Op Fl 346BCpqrTv
1.29      jmc        22: .Op Fl c Ar cipher
1.19      stevesk    23: .Op Fl F Ar ssh_config
1.84      jmc        24: .Op Fl i Ar identity_file
1.83      tb         25: .Op Fl J Ar destination
1.25      markus     26: .Op Fl l Ar limit
1.17      stevesk    27: .Op Fl o Ar ssh_option
1.29      jmc        28: .Op Fl P Ar port
                     29: .Op Fl S Ar program
1.76      jmc        30: .Ar source ... target
1.7       aaron      31: .Sh DESCRIPTION
1.3       aaron      32: .Nm
1.6       aaron      33: copies files between hosts on a network.
                     34: It uses
1.3       aaron      35: .Xr ssh 1
1.1       deraadt    36: for data transfer, and uses the same authentication and provides the
                     37: same security as
1.3       aaron      38: .Xr ssh 1 .
                     39: .Nm
1.1       deraadt    40: will ask for passwords or passphrases if they are needed for
                     41: authentication.
1.3       aaron      42: .Pp
1.75      millert    43: The
1.76      jmc        44: .Ar source
                     45: and
1.75      millert    46: .Ar target
                     47: may be specified as a local pathname, a remote host with optional path
                     48: in the form
1.76      jmc        49: .Sm off
                     50: .Oo user @ Oc host : Op path ,
                     51: .Sm on
                     52: or a URI in the form
                     53: .Sm off
                     54: .No scp:// Oo user @ Oc host Oo : port Oc Op / path .
                     55: .Sm on
1.44      jmc        56: Local file names can be made explicit using absolute or relative pathnames
                     57: to avoid
                     58: .Nm
                     59: treating file names containing
                     60: .Sq :\&
                     61: as host specifiers.
1.75      millert    62: .Pp
                     63: When copying between two remote hosts, if the URI format is used, a
                     64: .Ar port
                     65: may only be specified on the
                     66: .Ar target
                     67: if the
                     68: .Fl 3
                     69: option is used.
1.3       aaron      70: .Pp
                     71: The options are as follows:
                     72: .Bl -tag -width Ds
1.55      markus     73: .It Fl 3
                     74: Copies between two remote hosts are transferred through the local host.
                     75: Without this option the data is copied directly between the two remote
                     76: hosts.
1.56      jmc        77: Note that this option disables the progress meter.
1.29      jmc        78: .It Fl 4
                     79: Forces
                     80: .Nm
                     81: to use IPv4 addresses only.
                     82: .It Fl 6
                     83: Forces
1.3       aaron      84: .Nm
1.29      jmc        85: to use IPv6 addresses only.
1.3       aaron      86: .It Fl B
1.1       deraadt    87: Selects batch mode (prevents asking for passwords or passphrases).
1.3       aaron      88: .It Fl C
1.6       aaron      89: Compression enable.
                     90: Passes the
1.3       aaron      91: .Fl C
                     92: flag to
                     93: .Xr ssh 1
1.1       deraadt    94: to enable compression.
1.29      jmc        95: .It Fl c Ar cipher
                     96: Selects the cipher to use for encrypting the data transfer.
                     97: This option is directly passed to
                     98: .Xr ssh 1 .
1.19      stevesk    99: .It Fl F Ar ssh_config
                    100: Specifies an alternative
                    101: per-user configuration file for
                    102: .Nm ssh .
                    103: This option is directly passed to
                    104: .Xr ssh 1 .
1.29      jmc       105: .It Fl i Ar identity_file
1.46      djm       106: Selects the file from which the identity (private key) for public key
1.29      jmc       107: authentication is read.
1.82      tb        108: This option is directly passed to
                    109: .Xr ssh 1 .
                    110: .It Fl J Ar destination
1.84      jmc       111: Connect to the target host by first making an
1.82      tb        112: .Nm
                    113: connection to the jump host described by
                    114: .Ar destination
                    115: and then establishing a TCP forwarding to the ultimate destination from
                    116: there.
                    117: Multiple jump hops may be specified separated by comma characters.
                    118: This is a shortcut to specify a
                    119: .Cm ProxyJump
                    120: configuration directive.
1.29      jmc       121: This option is directly passed to
                    122: .Xr ssh 1 .
                    123: .It Fl l Ar limit
                    124: Limits the used bandwidth, specified in Kbit/s.
                    125: .It Fl o Ar ssh_option
                    126: Can be used to pass options to
                    127: .Nm ssh
                    128: in the format used in
                    129: .Xr ssh_config 5 .
                    130: This is useful for specifying options
                    131: for which there is no separate
                    132: .Nm scp
                    133: command-line flag.
                    134: For full details of the options listed below, and their possible values, see
                    135: .Xr ssh_config 5 .
                    136: .Pp
                    137: .Bl -tag -width Ds -offset indent -compact
                    138: .It AddressFamily
                    139: .It BatchMode
                    140: .It BindAddress
1.77      jmc       141: .It BindInterface
1.61      djm       142: .It CanonicalDomains
                    143: .It CanonicalizeFallbackLocal
                    144: .It CanonicalizeHostname
                    145: .It CanonicalizeMaxDots
                    146: .It CanonicalizePermittedCNAMEs
1.81      jmc       147: .It CASignatureAlgorithms
1.68      jmc       148: .It CertificateFile
1.29      jmc       149: .It ChallengeResponseAuthentication
                    150: .It CheckHostIP
                    151: .It Ciphers
                    152: .It Compression
1.74      naddy     153: .It ConnectionAttempts
1.34      dtucker   154: .It ConnectTimeout
1.36      djm       155: .It ControlMaster
                    156: .It ControlPath
1.57      djm       157: .It ControlPersist
1.29      jmc       158: .It GlobalKnownHostsFile
                    159: .It GSSAPIAuthentication
                    160: .It GSSAPIDelegateCredentials
1.38      jmc       161: .It HashKnownHosts
1.29      jmc       162: .It Host
                    163: .It HostbasedAuthentication
1.66      djm       164: .It HostbasedKeyTypes
1.29      jmc       165: .It HostKeyAlgorithms
                    166: .It HostKeyAlias
1.86      jmc       167: .It Hostname
1.70      jmc       168: .It IdentitiesOnly
1.69      markus    169: .It IdentityAgent
1.29      jmc       170: .It IdentityFile
1.54      jmc       171: .It IPQoS
1.57      djm       172: .It KbdInteractiveAuthentication
1.37      djm       173: .It KbdInteractiveDevices
1.52      jmc       174: .It KexAlgorithms
1.29      jmc       175: .It LogLevel
                    176: .It MACs
                    177: .It NoHostAuthenticationForLocalhost
                    178: .It NumberOfPasswordPrompts
                    179: .It PasswordAuthentication
1.50      markus    180: .It PKCS11Provider
1.29      jmc       181: .It Port
                    182: .It PreferredAuthentications
                    183: .It ProxyCommand
1.71      jmc       184: .It ProxyJump
1.67      markus    185: .It PubkeyAcceptedKeyTypes
1.29      jmc       186: .It PubkeyAuthentication
1.39      dtucker   187: .It RekeyLimit
1.35      jmc       188: .It SendEnv
1.32      markus    189: .It ServerAliveInterval
                    190: .It ServerAliveCountMax
1.79      jmc       191: .It SetEnv
1.29      jmc       192: .It StrictHostKeyChecking
1.31      markus    193: .It TCPKeepAlive
1.65      jmc       194: .It UpdateHostKeys
1.29      jmc       195: .It User
                    196: .It UserKnownHostsFile
                    197: .It VerifyHostKeyDNS
                    198: .El
1.4       markus    199: .It Fl P Ar port
1.6       aaron     200: Specifies the port to connect to on the remote host.
                    201: Note that this option is written with a capital
1.3       aaron     202: .Sq P ,
                    203: because
                    204: .Fl p
1.62      tedu      205: is already reserved for preserving the times and modes of the file.
1.29      jmc       206: .It Fl p
                    207: Preserves modification times, access times, and modes from the
                    208: original file.
                    209: .It Fl q
1.43      djm       210: Quiet mode: disables the progress meter as well as warning and diagnostic
                    211: messages from
                    212: .Xr ssh 1 .
1.29      jmc       213: .It Fl r
                    214: Recursively copy entire directories.
1.45      dtucker   215: Note that
                    216: .Nm
                    217: follows symbolic links encountered in the tree traversal.
1.10      deraadt   218: .It Fl S Ar program
                    219: Name of
                    220: .Ar program
1.12      aaron     221: to use for the encrypted connection.
                    222: The program must understand
1.9       deraadt   223: .Xr ssh 1
                    224: options.
1.85      djm       225: .It Fl T
                    226: Disable strict filename checking.
                    227: By default when copying files from a remote host to a local directory
                    228: .Nm
                    229: checks that the received filenames match those requested on the command-line
                    230: to prevent the remote end from sending unexpected or unwanted files.
                    231: Because of differences in how various operating systems and shells interpret
                    232: filename wildcards, these checks may cause wanted files to be rejected.
                    233: This option disables these checks at the expense of fully trusting that
                    234: the server will not send unexpected filenames.
1.29      jmc       235: .It Fl v
                    236: Verbose mode.
                    237: Causes
1.24      markus    238: .Nm
1.29      jmc       239: and
                    240: .Xr ssh 1
                    241: to print debugging messages about their progress.
                    242: This is helpful in
                    243: debugging connection, authentication, and configuration problems.
1.8       aaron     244: .El
1.51      jmc       245: .Sh EXIT STATUS
1.40      jmc       246: .Ex -std scp
1.3       aaron     247: .Sh SEE ALSO
1.14      djm       248: .Xr sftp 1 ,
1.3       aaron     249: .Xr ssh 1 ,
                    250: .Xr ssh-add 1 ,
                    251: .Xr ssh-agent 1 ,
                    252: .Xr ssh-keygen 1 ,
1.23      stevesk   253: .Xr ssh_config 5 ,
1.3       aaron     254: .Xr sshd 8
1.28      jmc       255: .Sh HISTORY
                    256: .Nm
1.62      tedu      257: is based on the rcp program in
1.60      jmc       258: .Bx
                    259: source code from the Regents of the University of California.
1.28      jmc       260: .Sh AUTHORS
1.59      schwarze  261: .An Timo Rinne Aq Mt tri@iki.fi
                    262: .An Tatu Ylonen Aq Mt ylo@cs.hut.fi