Re: [Devil-Linux-discuss] Telnet clients swapping sessions

[Heiko Z. <he...@zu...>]

On Thu, April 5, 2007 13:49, ne...@co... wrote:
> Good Day everyone,
>
>
> I've set up a DL (1.2) server that controls wireless access to our LAN.
> It runs on a via c3 system.
>
>
> The only purpose for the wireless is to allow handheld barcode scanners
> (less than a dozen embedded DOS telnet clients) to connect to one of our
> servers. We set the firewall rules to only allow for specific telnet
> traffic and dhcp requests.
>
> All went fairly well for a couple of weeks.  Then we noticed that the
> embedded clients were swapping/stealing sessions.   Sometimes it would
> happen when there was a glitch in our T1 etc...
>
> Lately, things have gotten worse.  The handheld scanners are doing this
> several times a day.   When one is powered on, for example, it sometimes
> steals the session from another handheld.  This is a problem as users
> have different permissions in the inventory software.
>
> If at all possible, the clients need to DHCP, and we need to keep the
> access as tight as is possible.  Just going through the logs, I can see a
> dozen or two foiled attempts to hop onto our network.
>
>
> I'll gladly provide more info since I don't know what info would help.

What do you mean exactly with swapping sessions?
I'm currently failing to understand where the DL box comes into play
(except for the firewalling).

-- 

Regards
  Heiko Zuerker
  http://www.devil-linux.org