Telnet to Linox By ATEasy.
Shaul M.
Petah-Tiqva,

Aug 31, 2010
2 Posts

Telnet to linox by ATEasy.

I write a telnet driver using WinSock procedures. It works prfectly OK with products that have Windows operating system (the  telnet port is not the default telnet port - 23). when I'm trying to connect to product that have Linox operating system ( telnet port is 23), the telnet session does not open. Connecting a sniffer shows that the product (the telnet server) ask for authentication ("Do authentication option") but the ATEasy does not reply. could you help?    

Ronnie Y.
Irvine, CA

Aug 31, 2010
3 Posts

Re: Telnet to linox by ATEasy.

There is no built in support. The client need to send and receive data to authenticate. There are several authentication protocols. See http://tools.ietf.org/html/rfc2941. Do you know what your telnet server supports? If you have a client that support it you may record the packet and use them in ATEay.

Shaul M.
Petah-Tiqva,

Sep 1, 2010
2 Posts

Re: Telnet to linox by ATEasy.

Hi Ronnie, Thank You for the quick response.
I already recorded the packets by a sniffer when connecting to another client . I tried to send the packes from the ATEasy application by WsSend procedure but it didn't work - the sniffer showed  that a 'Data' was sent and not a 'Command' (when connecting to non-ATEasy client, the sniffer showed that the  authentication packets was sent under "telnet : command:...") .

Ronnie Y.
Irvine, CA

Sep 1, 2010
3 Posts

Re: Telnet to linox by ATEasy.

Telnet command codes and structure is defined in the following link: http://webee.technion.ac.il/labs/comnet/netcourse/CIE/RFC/854/7.htm



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