telnet/rlogin problem on ESIX 4.0.4

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2 total messages Started by Hugh Conner Mon, 25 Jan 1993 12:03

#602

Author: Hugh Conner
Date: Mon, 25 Jan 1993 12:03

33 lines
2206 bytes

We are experiencing strange behaviour with telnet and rlogin on an ESIX 4.0.4
system. They appear to leave old entries lying around in the utmp file.
For example 

$ who -a
   .       system boot  Jan 22 16:49
   .       run-level 3  Jan 22 17:00    3    0    2
rc2             .       Jan 22 17:00  old     284  id=  r2 term=0   exit=0  
ln              .       Jan 22 17:00  old     460  id=  li term=0   exit=2  
sac             .       Jan 22 16:49  old     213  id=  sc
LOGIN      console      Jan 22 16:49  old     214   
inetd           .       Jan 22 16:49  old     215
tcp             .       Jan 22 16:49  old     216
pan        pts/2        Jan 25 11:09   .    10899
rc3             .       Jan 22 17:00  old     394  id=  r3 term=0   exit=0  
mjc        pts/4        Jan 25 11:36   .    11144
tcg        pts/1        Jan 25 08:51  0:03   9937
vjw        pts/0        Jan 25 11:12  0:26  10941
pwf        pts/7        Jan 25 11:49  0:01  11236
hmc        pts/3        Jan 25 11:09   .    10878  id=tn40 term=0   exit=0  
mdu        pts/4        Jan 25 09:48   .    10162  id=tn50 term=0   exit=0  
hmc        pts/3        Jan 25 11:46   .    11213
idc        pts/3        Jan 25 11:29   .    11002  id=rl40 term=0   exit=0  
iain       pts/5        Jan 25 11:19   .    11020
dbl        pts/6        Jan 25 11:21  0:29  11046

Note the lines ending id=tnNN or id=rlNN. These are old telnets and rlogins
but they still appear to be active. The result is that some programs such as
"who am i" or more importantly "passwd" can pick up the wrong entry in the utmp
file and turn you into someone else

I have checked another system running 4.0.3 and it seems ok. Does anyone know
what could be causing the problem, and how to fix it.

Re: telnet/rlogin problem on ESIX 4.0.4

#611

Author: Stephen Hebditch
Date: Tue, 26 Jan 1993 16:14

11 lines
1078 bytes

In article <1993Jan25.120325.27392@cs.hw.ac.uk> hmc@cs.hw.ac.uk (Hugh Conner) writes:
>We are experiencing strange behaviour with telnet and rlogin on an ESIX 4.0.4
>system. They appear to leave old entries lying around in the utmp file.

This also happens under Dell 4.0.4 (Issue 2.2) for all logins using
ttymon, telnetd or rlogind. As far as I can tell, ttymon is not
cleaning up properly at the close of a session. There doesn't currently
appear to be a fix available for this.

-- 
Stephen Hebditch  TQM Communications  steveh@orbital.demon.co.uk +44 836 825962

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