scp - Online in the Cloud

PROGRAM:

NAME

scp — secure copy (remote file copy program)

SYNOPSIS

scp [-12346BCpqrv] [-c cipher] [-F ssh_config] [-i identity_file] [-l limit] [-o ssh_option]
[-P port] [-S program] [[user@]host1:]file1 ... [[user@]host2:]file2

DESCRIPTION

scp copies files between hosts on a network. It uses ssh(1) for data transfer, and uses the
same authentication and provides the same security as ssh(1). scp will ask for passwords or
passphrases if they are needed for authentication.

File names may contain a user and host specification to indicate that the file is to be
copied to/from that host. Local file names can be made explicit using absolute or relative
pathnames to avoid scp treating file names containing ‘:’ as host specifiers. Copies
between two remote hosts are also permitted.

The options are as follows:

-1 Forces scp to use protocol 1.

-2 Forces scp to use protocol 2.

-3 Copies between two remote hosts are transferred through the local host. Without
this option the data is copied directly between the two remote hosts. Note that
this option disables the progress meter.

-4 Forces scp to use IPv4 addresses only.

-6 Forces scp to use IPv6 addresses only.

-B Selects batch mode (prevents asking for passwords or passphrases).

-C Compression enable. Passes the -C flag to ssh(1) to enable compression.

-c cipher
Selects the cipher to use for encrypting the data transfer. This option is directly
passed to ssh(1).

-F ssh_config
Specifies an alternative per-user configuration file for ssh. This option is
directly passed to ssh(1).

-i identity_file
Selects the file from which the identity (private key) for public key authentication
is read. This option is directly passed to ssh(1).

-l limit
Limits the used bandwidth, specified in Kbit/s.

-o ssh_option
Can be used to pass options to ssh in the format used in ssh_config(5). This is
useful for specifying options for which there is no separate scp command-line flag.
For full details of the options listed below, and their possible values, see
ssh_config(5).

AddressFamily
BatchMode
BindAddress
CanonicalDomains
CanonicalizeFallbackLocal
CanonicalizeHostname
CanonicalizeMaxDots
CanonicalizePermittedCNAMEs
CertificateFile
ChallengeResponseAuthentication
CheckHostIP
Cipher
Ciphers
Compression
CompressionLevel
ConnectionAttempts
ConnectTimeout
ControlMaster
ControlPath
ControlPersist
GlobalKnownHostsFile
GSSAPIAuthentication
GSSAPIDelegateCredentials
HashKnownHosts
Host
HostbasedAuthentication
HostbasedKeyTypes
HostKeyAlgorithms
HostKeyAlias
HostName
IdentityFile
IdentitiesOnly
IPQoS
KbdInteractiveAuthentication
KbdInteractiveDevices
KexAlgorithms
LogLevel
MACs
NoHostAuthenticationForLocalhost
NumberOfPasswordPrompts
PasswordAuthentication
PKCS11Provider
Port
PreferredAuthentications
Protocol
ProxyCommand
PubkeyAcceptedKeyTypes
PubkeyAuthentication
RekeyLimit
RhostsRSAAuthentication
RSAAuthentication
SendEnv
ServerAliveInterval
ServerAliveCountMax
StrictHostKeyChecking
TCPKeepAlive
UpdateHostKeys
UsePrivilegedPort
User
UserKnownHostsFile
VerifyHostKeyDNS

-P port
Specifies the port to connect to on the remote host. Note that this option is
written with a capital ‘P’, because -p is already reserved for preserving the times
and modes of the file.

-p Preserves modification times, access times, and modes from the original file.

-q Quiet mode: disables the progress meter as well as warning and diagnostic messages
from ssh(1).

-r Recursively copy entire directories. Note that scp follows symbolic links
encountered in the tree traversal.

-S program
Name of program to use for the encrypted connection. The program must understand
ssh(1) options.

-v Verbose mode. Causes scp and ssh(1) to print debugging messages about their
progress. This is helpful in debugging connection, authentication, and
configuration problems.

EXIT STATUS

The scp utility exits 0 on success, and >0 if an error occurs.

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