Just a quick note about sftp.
It makes good security sense to change the ssh port on servers that are Internet accessable. To take advantage of this using ssh is quite straight forward as their is a parameter -p to support this eg:
ssh -p 3432 mick@mickvaites.com
Unfortunately the same is not true for sftp (secure file transfer). [...]

Note to self:
These are the ssh escape commands from within an ssh connected session.
%~?
Supported escape sequences:
~.  – terminate connection (and any multiplexed sessions)
~B  – send a BREAK to the remote system
~C  – open a command line
~R  – Request rekey (SSH protocol 2 only)
~^Z – suspend ssh
~#  – list forwarded [...]

Not new information but all the same useful for either secure traffic or bypassing web cache restrictions.
First example is a socks proxy to allow you to secure web traffic over a wifi link or just avoiding web caching filters.
From unix, linux, *BSD or MacOSX type in :
ssh -N name@ssh_server -D 9999
or from windows download plink.exe [...]

After hunting the internet I finally managed to confirm how to change my MacPro to region free.
For this I have to give many thanks for www.rpc1.org and the administrator puma.
NB: The posting assumes that your DVR is a PIONEER DVD-RW DVR-112D and I offer no guarantees this will work or worse render your DVR unusable. [...]

At the core of all investigation in relation to a networks is the need to sniff packets. If you have a switch with SPAN port capabilities then you can listen in from where ever you wish. However if for whatever reason this is not practical a network wiretap may be the answer.
From the PC under [...]

A really helpful site for to assist installing MacPorts is suprise suprise www.macports.com
Commands:
sudo port list | grep <pkg_name>

sudo port install <pkg_name>

sudo port deinstall <pkg_name>