Re: telnetd problem?

[bch%methodlogic.net@localhost]

On Thu, Jan 19, 2012 at 05:29:52AM -0700, Scrap Happy wrote:
> Hi,
>
> I had to use a client's machine to telnet into a 3.1(x86)
> box, yesterday.  His telnet client (<mumble> running
> under XP) gave me fits trying to login.
>
> Eventually, I *stumbled* into the machine.  Then, found
> damn near every command I tried to type (at sh prompt)
> met by ": not found".
>
> Long story short:  it appears that the ENTER key is
> sending something unusual.
>
> If I preface ENTER with ^J, I am able to get commands
> to be recognized -- at least, they are *executed*!
> But, each command's output is eventually followed by
> ": not found".
>
> A quick poke through the telnet client's menus
> didn't seem to turn up anything -- but, I was more
> interested in getting out of there than solving
> *that* problem.
>
> Now, I'm trying to think of ways I can diagnose
> what is happening -- hopefully, entirely on the
> NetBSD side of the interface (so I don't have to
> try to understand this wonky telnet client!).
>
> Suggestions?

tcpdump on NetBSD?

> I figure possibly arranging for the session to be
> "raw" and just try to capture keystrokes to a file (?).
> Then, examine the file's contents with a "working"
> telnet client (or, at the console, etc.)
>
> <frown>  Annoying little problem!
>
> Thanks!
> --don

-- 
Brad Harder
Method Logic Digital Consulting
http://methodlogic.net/
http://twitter.com/bcharder