Sarah Reichelt wrote:
I don't know about anyone else, but I am very interested in this
thread and would like to see it remain on list.
Okay, I guess I owe it to the list to say what went wrong and how I
solved it. I did solve it, by the way, because having to write
everything up for Brent in a private mail forced me to re-read what I'd
done. When I did that, I finally noticed -- after days of frustration --
that I had made a (oh, this is embarrasing) typo. When I fixed my typo,
voila, it all worked. So I feel stupid. But relieved.
The upshoot is that, yes, it is easy to enable remote SSH in OS X
provided you can type correctly. Here is how:
1. In System Preferences, Sharing pane: turn on Remote Login. This opens
up port 22 in the software firewall and allows SSH traffic to your Mac.
2. If you have a router connected to your internet pipe, forward port 22
to the local IP address of the Mac you want to connect to. For me this
was 192.168.0.2, which is the static IP of my desktop Mac on our home
LAN. (This is where I made the typo. I swapped a couple of the numbers.
No wonder it didn't work, my router was sending info into the cybervoid.)
3. Find out what your public WAN IP is; this is the one the world sees
on the internet. You can look at your router logs for that info, or else
go here to find out: <http://whatismyipaddress.com/>. This is the IP you
need to use for SSH from a remote location. Note that most ISPs will
change this number periodically. There are services you can use to
accomodate that, but for my tests I just used the currently assigned IP.
That should be all you need to do. Now take your laptop to an internet
cafe somewhere, open Terminal, and type:
ssh [EMAIL PROTECTED]
Substitute a valid user account on your home Mac for "user" and your WAN
IP address for the 123s. You should get a password prompt, and then you
are in. Unless, of course, you make a typo. :)
Now about the issue of dynamic WAN IPs. There are a few services you can
sign up with for free that act sort of like a DNS service for private
routers. They allow you to log in to an account name instead of an IP
number, and will re-route the name to the current WAN IP of your home
router. Every time your ISP changes the number, your router informs the
service and they update the routing info. Most routers these days
support this stuff, I think. My Netgear router supports any of three of
these services, one of which is dyndns.org, which is what I will
probably use. Once you sign up, you just set your router to notify the
service at every IP change. Then when you SSH in to your Mac, you can
use your assigned name/account info instead of a number:
ssh [EMAIL PROTECTED]
If your router doesn't support this service natively, I understand there
is software you can run on your Mac that will do the same thing.
Hope this helps.
--
Jacqueline Landman Gay | [EMAIL PROTECTED]
HyperActive Software | http://www.hyperactivesw.com
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