- Set mark at current cursor position:

  Ctrl-Space

- Define opposite corner of rectangle:

  Move cursor to position

- Fill current rectangle with blanks:

  Ctrl-X,R,O  (open rectangle)

- Erase current rectangle:

  Ctrl-X,R,K  (kill rectangle)

- Copy current rectangle into internal buffer:

  Ctrl-X,R,R  (register rectangle)

- Paste (yank back) rectangle from internal buffer:

  Ctrl-X,R,Y  (yank rectangle)

- obtain

  http://www.compsoc.net/~steve/portfw-2.2.html

- Install RPM:

  rpm -i ipmasqadm-0.4.2-3.i386.rpm

- Example fast/telnet -> node1/telnet

  modprobe ip_masq_portfw.o
  ipmasqadm portfw -f
  ipmasqadm portfw -a -P tcp -L 129.129.25.207 23 -R 10.0.0.1 23


hmmmm