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telnet problems

telnet problems

Post by Nathan J. Doh » Mon, 03 Jul 1995 04:00:00




(distributed by MIT on net-dist.mit.edu).  I have successfully built and
installed Kerberos IV, but am having some problems with telnet, which
appear unrelated to the authentication and encryption code.  I built
telnet without any special stuff (authentication, encryption, and our
local mods) but when I telnet somewhere I get frequent lockups.  Telnet
freezes and the only way to get out of it is to escape and force close
the session.

I'm using Solaris 2.4 x86 with GCC 2.5.8, and compiling with the
following options:

bare:
        make -f Makefile.generic ${WHAT} \
        LIBS="-ltermlib -lc ../libtelnet/libtelnet.a -lsocket -lnsl \
                -L/usr/local/lib -lkrb -ldes /usr/ucblib/libucb.a" \
                DEST=/usr/local \
                DEFINES="-DFILIO_H -DUSE_TERMIO \
        -DENV_HACK -DOLD_ENVIRON -DNO_LOGIN_P -DUTMPX \
        -DDEFAULT_IM='\"\r\n\r\nSolaris 2.4 (%h)\r\n\r\n\"' \
        -Dsignal=sigset -DLOGIN_ARGS" \
                INCLUDES="-I.. -I/usr/local/include" \
                LIB_OBJ="getent.o strerror.o setenv.o herror.o" \
                LIB_SRC="getent.c strerror.c setenv.c herror.c" \
                AR=ar ARFLAGS=cq RANLIB=NONE \
                LIBEXEC=${DESTDIR}/usr/etc/in.telnetd \
                CC="gcc" LCCFLAGS="-g -O2 -m486"

Can anyone give me some ideas of what is wrong?

Thanks,
Nathan

 
 
 
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telnet problems

Post by John DiMar » Tue, 04 Jul 1995 04:00:00




>(distributed by MIT on net-dist.mit.edu).
...
>I'm using Solaris 2.4 x86 with GCC 2.5.8, and compiling with the
>following options:
>bare:
>        make -f Makefile.generic ${WHAT} \
>        LIBS="-ltermlib -lc ../libtelnet/libtelnet.a -lsocket -lnsl \
>                -L/usr/local/lib -lkrb -ldes /usr/ucblib/libucb.a" \
>                DEST=/usr/local \
>                DEFINES="-DFILIO_H -DUSE_TERMIO \
>        -DENV_HACK -DOLD_ENVIRON -DNO_LOGIN_P -DUTMPX \
>        -DDEFAULT_IM='\"\r\n\r\nSolaris 2.4 (%h)\r\n\r\n\"' \
>        -Dsignal=sigset -DLOGIN_ARGS" \
>                INCLUDES="-I.. -I/usr/local/include" \
>                LIB_OBJ="getent.o strerror.o setenv.o herror.o" \
>                LIB_SRC="getent.c strerror.c setenv.c herror.c" \
>                AR=ar ARFLAGS=cq RANLIB=NONE \
>                LIBEXEC=${DESTDIR}/usr/etc/in.telnetd \
>                CC="gcc" LCCFLAGS="-g -O2 -m486"
>Can anyone give me some ideas of what is wrong?

If you're not using telnet-950531 (the latest released version), get and
install it.  If you are using telnet-950531, compile using the sol2.4.auth
target instead (which doesn't use the deprecated and somewhat buggy ucb
compatibility libraries).

Regards,

John
--

Computing Disciplines Facility Systems Manager            Phone: 416-978-1928
University of Toronto                                     Fax:   416-978-1931
http://www.cdf.toronto.edu/personal/jdd/jdd.html

 
 
 
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1. Increase MAXPATH problem and telnet problem

we are using sco unix 3.2  on pentium
One of the user wrote a shell program which creates dir and sub directiores.
ie he wrote a shell program which creates a directory new and a 2nd
sudirectory new inside new . this goes on infinitely  

When i went to single user mode and tried to delete it using rm -r new
it gives message rm: path too long (1023/1024)

Fsck on the filsystem fails in the second phase ie while checking Pathnames
giving a message Dir pathname too deep Increase MAXPATH & recompile
can anyone suggest how to delete the directories new.
I have already tried incresing the NINODE and NFILE parameter in kernel
parameter with no luck.

We also face a telnet problem ie suddenly users are no longer able to do
a telnet to the server but ping to the server works fine.
even telnet from the same server to itself fails.
ie suppose the server name is archie. then users suddenly arenot able to
do telnet to archie server . also telnet from archie to archie itself fails
ishort the telnet daemon dies. The problem gets rectified when i do a
tcp stop and tcp start.
Is there any permanent solution to the above problems

list

Thanks in advance.

Awaiting some reply at the earliest

Best Regards

siddarth


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