06-23-2010
Default Solaris is one of the best for TCP/IP.
Elapsed time is very important when transmitting large files with ftp because of idle connection timeouts. To transmit 500 Mb over a 1 Mbit/sec clean connection is going to take at least an hour. A 1-hour or 2-hour timeout with VPN software is not at all unusual.
Timeouts can be at source or destination. I guess that you only have control over the destination.
IMHO the public Internet is unsuitatable for transmitting files of this size (400 Mb+) unless there is a very fast Internet connection (say 10 Mbits/sec+) point-to-point.
Have you considered leased VPN tunnels?
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LEARN ABOUT DEBIAN
l2tpipsecvpn
L2tpIPsecVpn(1) General Commands Manual L2tpIPsecVpn(1)
NAME
L2tpIPsecVpn - L2tp over IPsec VPN Manager applet for the GNOME Desktop
SYNOPSIS
L2tpIPsecVpn [options]
DESCRIPTION
This GUI is not a network manager plugin. However, it provides a systray icon in the indicator applet from which a non privileged user can
establish and bring down L2TP over IPsec VPN connections.
From there the user can add, remove and edit vpn connections.
Editing allows configuring various options for IPsec, L2TP and PPP.
Among others, the user can configure eg. the gateway, the use of either PSK or a certificate for authentication, various L2TP options as
redial- timeout and attempts and of course all important PPP options. It also allows you to configure PPP for tunnel splitting because you
can add routes as you want.
When applying your settings, all necessary configuration files are written accordingly (ipsec.conf, xl2tp.conf, options.xl2tpd, opensc.conf
up and down scripts ...).
It relies on Openswan and xl2tp packages as the underlying protocol handlers.
You can also use certificates on your local machine or, if e.g. OpenSC is installed and configured, even on a smart card to handle PPP
authentication.
The GUI automatically detects when network interfaces are going up or down and can (if so configured) automatically establish or close VPN
connections.
OPTIONS
startConnectionEditor
Starts the connection editor dialog.
applySettings
Write configuration files according to the connection settings, must be started with root privileges, ie use gksudo as non root
user.
deleteAllConfFiles
Delete all configuration files, must be started with root privileges, ie use gksudo as non root user.
AUTHORS
Werner Jaeger
version 1.0.9 11 Oct 2012 L2tpIPsecVpn(1)