Internet Security Components - COM, ActiveX and .NET

Hi,

I have an application in which I use wodSSH to connect with Telnet to Unix hosts. It works fine with Solaris and Linux, but it fails with my AIX 4.3 server.

I have also tried the samples that comes with wodSSH and I have exactly the same problem.

I am able to telnet this same AIX host using another telnet client tools.

Please help !

locked

3407 views

Christope,

what exactly happens? Why it cannot connect? Do you get any errors?

Could we try to connect from here to duplicate the problem?

locked

3146 views

Christope,

what exactly happens? Why it cannot connect? Do you get any errors?

Could we try to connect from here to duplicate the problem?

I have wrote a simple VB project with which I have the problem also:

Dim wodSSH1 As WODSSHCOMLib.wodSSHCom
wodSSH1 = New WODSSHCOMLib.wodSSHCom

wodSSH1.Protocol = WODSSHCOMLib.ProtocolsEnum.Telnet
wodSSH1.Blocking = True
wodSSH1.Hostname = AIX43
wodSSH1.Login = ocante
wodSSH1.Password = ocante
wodSSH1.Port = 23
wodSSH1.Timeout = 30
wodSSH1.Command = echo Hello
wodSSH1.Connect()
Print(wodSSH1.Receive)

After 30 seconds I have the following messages:

An unhandled exception of type 'System.Runtime.InteropServices.COMException' occurred in VB_Telnet.exe

Additional information: The current connection has timeout.

You will not be able to connect from outside.
I have recorded the network traffic while trying to telnet and I can see that something is coming from my AIX to my client host: AIX version 4
Copyrights...
Connexion : , but nothing is sent after that.
If it can help I can send you this network traffic (you can open it using ethereal: http://www.ethereal.com/). Tell me where I can send an attachment.

locked

3133 views

Christophe,

this is very unusual. We will have to figure the way we can test this.

I would suggest you go to command prompt and enter

telnet your_server_name

but I assume this will work, right? You have tried it? Server is really accessible?

Can you please send us email to techsupport@weonlydo.com . We will create tunnel to your AIX so I need some info from you.

Regards.

locked

3209 views

Yes it works from command prompt.
Unfortunatly I cannot let you access this machine from outside.

Here is the telnet negotiation between client (10.1.1.103) and server (10.1.2.199):

--------------------------------------------------------
10.1.2.199 -> 10.1.1.103
Telnet
Command: Don't Authentication Option
Command: Do Terminal Type

--------------------------------------------------------
10.1.1.103 -> 10.1.2.199
Telnet
Command: Won't Authentication Option
Command: Will Terminal Type

--------------------------------------------------------
10.1.2.199 -> 10.1.1.103
Telnet
Command: Do Terminal Type
Suboption Begin: Terminal Type
Send your Terminal Type
Command: Suboption End

--------------------------------------------------------
10.1.1.103 -> 10.1.2.199
Telnet
Command: Will Terminal Type
Suboption Begin: Terminal Type
Here's my Terminal Type
Value: vt100
Command: Suboption End

--------------------------------------------------------
10.1.2.199 -> 10.1.1.103
Telnet
Command: Will Echo
Command: Will Suppress Go Ahead
Command: Do Negotiate About Window Size
Command: Won't <unknown option>
Command: Do Echo
Data:

Data:

Data: telnet (chien)

Data:
00
Data:

Data:
00

--------------------------------------------------------
10.1.1.103 -> 10.1.2.199
Telnet
Command: Do Echo
Command: Do Suppress Go Ahead
Command: Will Negotiate About Window Size
Suboption Begin: Negotiate About Window Size
Width: 80
Height: 25
Command: Suboption End
Command: Don't <unknown option>
Command: Won't Echo

--------------------------------------------------------
10.1.2.199 -> 10.1.1.103
Telnet
Command: Don't Echo

--------------------------------------------------------
10.1.2.199 -> 10.1.1.103
Telnet
Data:

Data:

Data:
00
Data: AIX version 4

Data:
00
Data: (C) Copyrights by IBM and by others 1982, 1996.

Data:
00
Data: Connexion :

--------------------------------------------------------

and nothing more...
Hope it helps.

locked

3216 views

Christophe,

what if you don't set Login and Password? Does your AIX at all send 'login:' prompt? Perhaps this is the reason it fails?

locked

3112 views

Christophe,

what if you don't set Login and Password? Does your AIX at all send 'login:' prompt? Perhaps this is the reason it fails?

'login: ' is never prompted, my AIX use french language, 'Connexion :' is prompted instead of 'login: '

Can it be the problem ?

locked

3117 views

Yes it can. It waits for 'login' or 'username' prompt. If you don't set corresponding properties, then wodSSH will just pass whatever is received to you - so you can login by yourself.

So, can you clear out Login and Password properties? Does that work?

locked

3081 views

Yes it works, but how can I know when to send the login and password ? This time I was prompted for 'Connexion :' but it can change if I connect to another host.

locked

3183 views

My point exactly - you cannot know this. Nor wodSSH can know. We typically wait for regular 'login' and 'username' prompts. Humans are smart and recognize when they're asked for a prompt, machines aren't.

Perhaps you can send it blindly upon connection, perhaps that would work.

But, on the other hand, you can't even be sure you will be asked for a prompt at all - telnet is so open and different among computers.

locked

3108 views

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