One thing about SmartSniff (I use it for years), take care to use it
with WinPCap as it may miss ingoing or outgoing datas depending your
Also if you can't connect to IP addr of the device then it may not use
TCP but UDP, this is quite usual with embedded devices.
TB> Ah ha! Thank you Angus and Piotr...
TB> Many "happy" tens of minutes spent "playing" with the excellent
TB> SmartSniffer.... Wonderful! Fascinating!
TB> Telnet... Ah yes, the "good old days"... I've burned hours with
TB> Telnet before, given my limited grasp of what I'm doing. (Last time
TB> it was with Dallas TINIs... faulty ones, at that!)
TB> I haven't tried Overbyte's Telnet... yet. Preferred to start with the
TB> bog standard one, see how I got on with that.
TB> The rest of this rambles a bit... don't feel bad, Gentle Reader, if
TB> you decide to peruse no further!
TB> Smartsniffer, if I've understood things aright, shows that the vendor-
TB> supplied software talks to the device over 192.168.0.241, port 5200
TB> Tried, under telnet,
TB> o 192.168.0.241 5200
TB> .... also....
TB> o 192.168.0.241 16000
TB> .... and various variations using the other IP addresses in the config
TB> report. Telnet says "Connecting to 184.108.40.206..." ... but just
TB> sits there with that on the screen when I enter the first, and comes
TB> back quickly with "Could not open connection..." with the second.
TB> SmartSniffer doesn't "see" any interaction between 192.168.0.2 and
TB> 192.168.0.241 in either case.
TB> Suspending my anti-malware for a few minutes led to "interesting"
TB> results in SmartSniffer!
TB> By the way... yes... I have approached the manufacturer, too! They're
TB> "getting back to me".
TB> A clue?
TB> In the SmartSniffer report on the "conversation" being held between
TB> the device and my XP PC, the local address and port are 192.168.0.2 /
TB> 192.168.0.2 *IS* the address I'd expect for the PC running
TB> SmartSniffer, and my Telnet attempts. Not sure if I need to do
TB> anything about the 1506? Do I somehow have to tell Telnet to watch
TB> for answers from ..241 to be directed to 1506? Is there a way?
TB> By the way... I do try to remember to shut down the vendor-supplied
TB> software when attempting a connection via Telnet.
TB> And thank you, all, for helping with a not-strictly-ICS matter... but
TB> I will use ICS (with Delphi 7, or maybe Lazarus) to write MY software
TB> for monitoring the TEMPerLAN... one day... I hope... (^_^)
TB> http://facebook.com/SheepdogSoftware TK Boyd's site with
TB> freeware and shareware for kids, parents, schools... and others.
TB> You don't have to be a Facebook member to access the site.
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