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Re: stupid question: can 'rcp' be a virtual service ?

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: stupid question: can 'rcp' be a virtual service ?
From: Roberto Nibali <ratz@xxxxxx>
Date: Thu, 03 May 2001 10:22:48 +0200
Hi Alois,

Alois Treindl wrote:
> 
> can 'rcp' be configured as a virtual service?

dev:/home/projects/pab/top/opt/sec/tfx/bin# grep rcp /etc/services 
rcp             469/tcp                 # Radio Control Protocol
rcp             469/udp                 # Radio Control Protocol
arcp            7070/tcp                        # ARCP
arcp            7070/udp                        # ARCP
dev:/home/projects/pab/top/opt/sec/tfx/bin# 

================> yes!
 
> ftp and ssh/scp are configured on my LVS, and work, but both have a
> disadvantage when initial server content needs to be copied onto the
> realservers, which has plenty of Gb data volume.

Maybe choosing a smaller amount of bits may improve performance, but
reduce security. ssh-keygen -b 512.
 
> ftp has no recursive copy option.

Use rsync(1)!
 
> scp is slow on the local network because it encrypts all content.

reduce bits, use dsa and blowfish. openssh is quite fast back here.
 
> I want to save myself the time and disk space to copy everything first
> onto the director, and from there to the realservers, or of packing
> everything first into tar-files, just to upack them later on the
> realservers.

Still, I suggest you use rsync. If you use rsync -e "ssh -p 22" you have a
save rsync.
 
> therefore a command like rcp -rp which does recursive copies would
> come handy between the outside and the real servers.

I use rsync or speed up scp, your mileage may vary.
 
> Alois

See you on saturday,
Roberto Nibali, ratz

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