commons-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From sebb <>
Subject Re: [NET] Telnet NTLM Authentication
Date Fri, 10 Jun 2011 13:08:43 GMT
On 10 June 2011 13:00, abhijeet gaikwad <> wrote:
> Hi Team,
> I was able to extend commons-net Telnet API to support NTLM Authentication.
> I extended TelnetOptionHandler to create my own AuthTypeHandler for NTLM.
> For creating NTLM packets I used JCIFS API. The challenge NTLM message that
> I am recieving from the server is more than 256 bytes, but current
> commons-net API supports suboption message size upto 256 bytes only. There
> is a private integer array in TelnetInputStream named __suboption with size
> 256. If I increase the size, my authentication works perfect.
> My question is, is there any specific reason why the array size is 256. Can
> it be increased? If I make it 512, my code works. Please suggest me because
> if I increase the size, I am able to telnet via a linux machine with NTLM
> Authentication by just extending the Telnet client provided in commons-net
> API. Otherwise, I will have to reinvent the wheel again ... write a Telnet
> client of my own.

The size is probably set to 256 because that is large enough for
handling existing options.

It could be increased, but ideally this would be done in a compatible way.

Please register for JIRA and raise an enhancement request.
Patches can also be attached to the JIRA.

> Thanks,
> Abhijeet Gaikwad

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message