JLB wrote:
> I've already set up zero-install Web-based telnet, zero-install Web-based
> MP3 players... I even concocted a zero-install CygWin workalike and
> keep it on my keychain USB drive... now I need a zero-install way to
> access my files via Windows machines. And that means SMB. NOT OpenVPN,
> OpenSSH, OpenVMS or any other "Open".


WinSCP is a MUCH better way to go for this type of thing. ...And it can be zero-install.


FYI, this will need to connect to an SSH server, and if you're running OpenBSD... (one of the Opens... hehe) it will be probably be via OpenSSH... (another "Open")

b.t.w., I'm also curious why you threw that "OpenVMS" in there with OpenSSH and OpenVPN? OpenVMS is an operating system typically run on Digital hardware.

P.S. If you don't want any "Open" software, may I ask why you are running OpenBSD?


-- Aaron Zirbes Systems Administrator Environmental Health Sciences University of Minnesota


JLB wrote:
On Wed, 9 Feb 2005, Paul Gienger wrote:


Date: Wed, 09 Feb 2005 08:54:57 -0600
From: Paul Gienger <[EMAIL PROTECTED]>
To: JLB <[EMAIL PROTECTED]>
Cc: [email protected]
Subject: Re: [Samba] Firewall piercing - The Specified network name is no
   longer available.



I'm trying to set up one of my Unix machines at home so I can access my
stuff there via SMB from the Internet at large (read: from Windows-using
clients').



Are you saying that you're trying to allow access from 'random internet user'(which is probably you) directly to your samba machine? You will have problems with this if it is what you're doing.

1. because you may have a default filter on your firewalls that block it
from traversing, although I think most sane manufacturers took this rule
off now


I already poked and prodded at all such filters. They seem off now.


2. because your ISP probably blocks/filters those ports.


They don't.


3. because it's a Bad Thing (TM)(R)(C)


The chance of any random joker stumbling upon a dynamically allocated IP
and h4x0ring into a password-protected share on a SPARC64 machine running
OpenBSD with a recent version of Samba is ....

....slim.


Spend a little time and set up a vpn endpoint on your box and just
forward the necessary ports over, i think openvpn is 5000.  You'll be
much happier, sane, and protected as such.


And I will make use of this on client machines with strict "Thou Shalt Not
Install any Unauthorized Software" policies... how?

I've already set up zero-install Web-based telnet, zero-install Web-based
MP3 players... I even concocted a zero-install CygWin workalike and
keep it on my keychain USB drive... now I need a zero-install way to
access my files via Windows machines. And that means SMB. NOT OpenVPN,
OpenSSH, OpenVMS or any other "Open".


I'm behind two NATting devices-- the lame-p Prestige DSL modem provided by
Sprint DSL (a.k.a. Earthlink?) and a more typical home DSL/cable gateway
device.

I've poked holes in BOTH of these devices on ports 137, 138, 139 AND 445.
Only port 139 actually responds to TCP connections (well, only port 139
accepts a telnet, even from localhost.

See:

--------------------------------------------------------------------------
-bash-2.05b# telnet localhost 137
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
-bash-2.05b# telnet localhost 138
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
-bash-2.05b# telnet localhost 139
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
^]
telnet> close
Connection closed.
-bash-2.05b# telnet localhost 445
Trying ::1...
telnet: connect to address ::1: Connection refused
Trying 127.0.0.1...
telnet: connect to address 127.0.0.1: Connection refused
--------------------------------------------------------------------------

It should go without saying that this machine's Samba shares work
PERFECTLY WELL within the LAN. ;)

Now, from the outside, I can telnet to port 139 on the machine just fine,
through both NAT devices. However, when I go Start, Run,
\\x.y.z.a\sharename (where "x.y.z.a" is the IP address-- not the FQDN-- of
the machine), Windows vomits up this unhelpful message:


-------------------------------------------------- \\x.y.z.a\sharename The specified network name is no longer available. --------------------------------------------------

See:

http://jlb.twu.net/tmp/unhelpful.png

Any ideas? The client machine runs Windows 2000 Pro.

--
J. L. Blank, Systems Administrator, twu.net



-- -- Paul Gienger Office: 701-281-1884 Applied Engineering Inc. Systems Architect Fax: 701-281-1322 URL: www.ae-solutions.com mailto: [EMAIL PROTECTED]





--
J. L. Blank, Systems Administrator, twu.net

-- Aaron Zirbes Systems Administrator Environmental Health Sciences University of Minnesota [EMAIL PROTECTED] 612-625-3460

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