Re: Filter to block incoming ether0 telnet?

Jake Messinger (jake@ams.com)
Fri, 16 May 1997 10:04:23 -0500 (CDT)

On Fri, 16 May 1997, Chris Shenton wrote:

> But it still passes over the WAN from my remote site keyboard, to the
> joe-user login on the PM, thence to the !root login on the PM. So I'm
> still vulnerable. :-(

But each keystroke will be in a different packet. Maybe if you wait a LONG
TIME ;-). Hrm, would it help to change the telnet port to something
OBSCURE? Then the packets would not have a 23 in them indicating that it
was a telnet packet.
>

~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~
Jake Messinger 713-772-6690 jake@ams.com
Advanced Medical Systems, Inc. jake@uh.edu
9919 S. Gessner #201
Houston, Texas 77071 http://www.ams.com/~jake
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