The -3 option instructs scp to route traffic through the PC on which the command is issued, even though it is a 3rd party to the transfer. This way, authorization credentials must reside only on the issuing PC, the third party.

2011年4月28日 · Versions of scp from early 2011 and later may have a "-3" option:-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. If you have this you can just run:

The SCP uses the -P (capital p) option to specify the port, while SSH uses lower case -p. Upd: I seldom use SSH with a non-standard port, and apparently, I never used SCP with a non-standard port. It took me a few minutes of agony to figure out that SCP was not working because it …

2019年5月8日 · You can accept your own answer. (Also, if you can copy files to the remote machines, you can probably make a file .ssh/authorized_keys, either with ssh or scp, and this is all you need to set up keys on the remote machines, unless you have a …

2021年11月10日 · Traditionally scp tells one host to reach the other and transfer the file. The machine where you invoke scp may be unable to reach the other host and the method will still work, if only the first host can reach the other. The invoked scp executable does not act as a relay. With scp -3 the invoked scp executable acts as a relay.

I figure SCP is the best candidate for the job but don't really care, so long as the solution works! I cd to the directory containing the file I want (app.war) and type the following: scp app.war ./ I've tried both to no avail: scp app.war ./C:/Users/myUser/ scp app.war ./Users/myUser/

2024年8月30日 · The accepted answer of yrk does work if you are copying from a remote to a local machine. If in your case you are trying to run scp -3 between two remotes that cannot communicate directly to eachother you can use the following solution. Assume 'source_file' is located on 'host_source' and 'dest_file' is located on 'host_dest'.

2022年7月27日 · For many years scp (the executable) has been using SCP (the protocol) by default, without knowing any other protocol. I like to call SCP "a hack that stuck". To talk to a remote system by SCP, the local scp invokes ssh and passes a command. The command (like any command passed by ssh) is interpreted by the remote user's shell.

2010年3月4日 · I generally prefer to use scp though as it is easier to resume a partial transfer (or, though I know in this situation the questioner doesn't have the option) rsync as that is both even easier to resume and shares the tar+gz option's whole-stream compression advantage.

2021年3月20日 · scp can copy between two remote locations (with or without -3). balena-helper is not designed to be used in this mode. When rebuilding the last argument, balena-helper quotes ( @Q ) few strings so they cannot inject code when the whole command string is interpreted by the shell on the remote host.