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Conference turris::digital_unix

Title:	DIGITAL UNIX(FORMERLY KNOWN AS DEC OSF/1)
Notice:	Welcome to the Digital UNIX Conference
Moderator:	SMURF::DENHAM

Created:	Thu Mar 16 1995
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	10068
Total number of notes:	35879
9882.0. "telnet hangs if all options not ACK'ed" by CSC32::clrvew.csc.cxo.dec.com::m_menkhus (Colorado CSC) Mon May 19 1997 22:18

Hi,

A customer telnets from a UNIX 3.2g host to a 
(I know this is dumb) PC.  The PC's telnet server 
does not acknowledge all of the telnet option 
negotiation, and the UNIX client is never
able to actually establish a session.  Are all 
the options to supposed to be positively or 
negatively ack'ed?  Should our telnet just hang?
Sun and HP clients supposedly work fine.

	-Mark Menkhus
Below is a toggled options debug:

# telnet
telnet> toggle options
Will show option processing.
telnet> open 129.7.12.180
Trying...
Connected to 129.7.12.180.
Escape character is '^]'.
SENT do ECHO
SENT do SUPPRESS GO AHEAD
SENT will TERMINAL TYPE (reply)
SENT do SUPPORT SAK
SENT will SUPPORT SAK (reply)
RCVD will ECHO (don't reply)
Answer : RCVD will SUPPRESS GO AHEAD (don't reply)
 
C:\>Connection closed.
 
telnet> quit

Telnet dump:  

< 00    FF FB 01 1B 5B 32 4A 1B 5B 21 70 1B 5B 3F 37 6C 
< 10    1B 5B 63 1B 5B 32 35 3B 32 35 48 1B 5B 36 6E 1B 
< 20    5B 31 3B 31 48 1B 5B 31 3B 32 34 72 1B 5B 32 4A 
< 30    63 6F 6E 66 69 67 75 72 69 6E 67 2E 2E 2E 
> 00    FF FD 01 FF FD 03 FF FB 18 FF FD C8 FF FB 1F 
< 00    1B 28 42 1B 28 3C 1B 29 30 1B 28 42 0F 
> 00    1B 5B 30 32 35 3B 30 32 35 52 
< 00    1B 5B 31 3B 31 48 1B 5B 30 6D 41 72 65 20 79 6F 
< 10    75 20 75 73 69 6E 67 20 3A 20 20 20 31 29 20 54 
< 20    65 6C 6E 65 74 1B 5B 4B 1B 5B 32 3B 31 48 1B 5B 
< 30    30 6D 20 20 20 20 20 20 20 20 20 20 20 20 20 20 
< 40    20 20 20 20 32 29 20 54 65 6C 65 70 68 6F 6E 65 
< 50    1B 5B 4B 1B 5B 33 3B 31 48 1B 5B 30 6D 1B 5B 4B 
< 60    1B 5B 34 3B 31 48 1B 5B 30 6D 41 6E 73 77 65 72 
< 70    20 3A 1B 5B 4B 1B 5B 35 3B 31 48 1B 5B 30 6D 1B 
< 80    5B 4B 1B 5B 36 3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 
< 90    5B 37 3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 38 3B 
< A0    31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 39 3B 31 48 1B 
< B0    5B 30 6D 1B 5B 4B 1B 5B 31 30 3B 31 48 1B 5B 30 
< C0    6D 1B 5B 4B 1B 5B 31 31 3B 31 48 1B 5B 30 6D 1B 
< D0    5B 4B 1B 5B 31 32 3B 31 48 1B 5B 30 6D 1B 5B 4B 
< E0    1B 5B 31 33 3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 
< F0    31 34 3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 31 35 
< 100   3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 31 36 3B 31 
< 110   48 1B 5B 30 6D 1B 5B 4B 1B 5B 31 37 3B 31 48 1B 
< 120   5B 30 6D 1B 5B 4B 1B 5B 31 38 3B 31 48 1B 5B 30 
< 130   6D 1B 5B 4B 1B 5B 31 39 3B 31 48 1B 5B 30 6D 1B 
< 140   5B 4B 1B 5B 32 30 3B 31 48 1B 5B 30 6D 1B 5B 4B 
< 150   1B 5B 32 31 3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 
< 160   32 32 3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 32 33 
< 170   3B 31 48 1B 5B 30 6D 1B 5B 4B 1B 5B 32 34 3B 31 
< 180   48 1B 5B 30 6D 1B 5B 4B 1B 5B 34 3B 31 30 48 0F 
< 00    FF FB 03 
< 00    1B 5B 34 3B 31 31 48 1B 5B 30 6D 31 20 6F 72 20 
< 10    32 20 21 1B 5B 34 3B 31 39 48 
> 00    31 
< 00    1B 5B 31 3B 31 48 
< 00    0F 
< 00    1B 5B 31 3B 31 48 1B 5B 30 3B 34 30 3B 33 31 6D 
< 10    54 1B 5B 30 3B 34 30 3B 33 36 6D 68 1B 5B 30 3B 
< 20    34 30 3B 33 35 6D 69 1B 5B 30 3B 34 30 3B 33 31 
< 30    6D 73 20 1B 5B 30 3B 34 30 3B 33 35 6D 6D 1B 5B 
< 40    30 3B 34 30 3B 33 31 6D 65 1B 5B 30 3B 34 30 3B 
< 50    33 36 6D 73 1B 5B 30 3B 34 30 3B 33 35 6D 73 1B 
< 60    5B 30 3B 34 30 3B 33 31 6D 61 1B 5B 30 3B 34 30 
< 70    3B 33 36 6D 67 1B 5B 30 3B 34 30 3B 33 35 6D 65 
< 80    20 1B 5B 30 3B 34 30 3B 33 36 6D 68 1B 5B 30 3B 
< 90    34 30 3B 33 35 6D 61 1B 5B 30 3B 34 30 3B 33 31 
< A0    6D 73 20 1B 5B 30 3B 34 30 3B 33 35 6D 3A 20 20 
< B0    33 1B 5B 30 3B 34 30 3B 33 31 6D 29 20 1B 5B 30 
< C0    3B 34 30 3B 33 35 6D 73 1B 5B 30 3B 34 30 3B 33 
< D0    31 6D 65 1B 5B 30 3B 34 30 3B 33 36 6D 76 1B 5B 
< E0    30 3B 34 30 3B 33 35 6D 65 1B 5B 30 3B 34 30 3B 
< F0    33 31 6D 72 1B 5B 30 3B 34 30 3B 33 36 6D 61 1B 
< 100   5B 30 3B 34 30 3B 33 35 6D 6C 20 1B 5B 30 3B 34 
< 110   30 3B 33 36 6D 63 1B 5B 30 3B 34 30 3B 33 35 6D 
< 120   6F 1B 5B 30 3B 34 30 3B 33 31 6D 6C 1B 5B 30 3B 
< 130   34 30 3B 33 36 6D 6F 1B 5B 30 3B 34 30 3B 33 35 
< 140   6D 72 1B 5B 30 3B 34 30 3B 33 31 6D 73 20 1B 5B 
< 150   30 3B 34 30 3B 33 35 6D 6F 1B 5B 30 3B 34 30 3B 
< 160   33 31 6D 72 20 1B 5B 30 3B 34 30 3B 33 35 6D 73 
< 170   1B 5B 30 3B 34 30 3B 33 31 6D 68 1B 5B 30 3B 34 
< 180   30 3B 33 36 6D 61 1B 5B 30 3B 34 30 3B 33 35 6D 
< 190   64 1B 5B 30 3B 34 30 3B 33 31 6D 65 1B 5B 30 3B 
< 1A0   34 30 3B 33 36 6D 73 1B 5B 30 3B 34 30 3B 33 37 
< 1B0   6D 1B 5B 4B 1B 5B 32 3B 31 48 1B 5B 30 3B 34 30 
< 1C0   3B 33 37 3B 31 6D 20 20 20 20 20 20 20 20 20 20 
< 1D0   20 20 20 20 20 20 20 20 20 20 1B 5B 30 3B 34 30 
< 1E0   3B 33 35 6D 34 1B 5B 30 3B 34 30 3B 33 31 6D 29 
< 1F0   20 1B 5B 30 3B 34 30 3B 33 35 6D 6A 1B 5B 30 3B 
< 200   34 30 3B 33 31 6D 75 1B 5B 30 3B 34 30 3B 33 36 
< 210   6D 73 1B 5B 30 3B 34 30 3B 33 35 6D 74 20 1B 5B 
< 220   30 3B 34 30 3B 33 36 6D 6F 1B 5B 30 3B 34 30 3B 
< 230   33 35 6D 6E 1B 5B 30 3B 34 30 3B 33 31 6D 65 20 
< 240   1B 5B 30 3B 34 30 3B 33 35 6D 63 1B 5B 30 3B 34 
< 250   30 3B 33 31 6D 6F 1B 5B 30 3B 34 30 3B 33 36 6D 
< 260   6C 1B 5B 30 3B 34 30 3B 33 35 6D 6F 1B 5B 30 3B 
< 270   34 30 3B 33 31 6D 75 1B 5B 30 3B 34 30 3B 33 36 
< 280   6D 72 1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 1B 
< 290   5B 33 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 
< 2A0   5B 4B 1B 5B 34 3B 31 48 1B 5B 30 3B 34 30 3B 33 
< 2B0   37 6D 41 6E 73 77 65 72 20 3A 20 20 31 20 6F 72 
< 2C0   20 32 20 21 1B 5B 4B 1B 5B 35 3B 31 48 1B 5B 30 
< 2D0   3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 36 3B 31 48 
< 2E0   1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 37 
< 2F0   3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 
< 300   1B 5B 38 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 
< 310   1B 5B 4B 1B 5B 39 3B 31 48 1B 5B 30 3B 34 30 3B 
< 320   33 37 6D 1B 5B 4B 1B 5B 31 30 3B 31 48 1B 5B 30 
< 330   3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 31 31 3B 31 
< 340   48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 
< 350   31 32 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 
< 360   5B 4B 1B 5B 31 33 3B 31 48 1B 5B 30 3B 34 30 3B 
< 370   33 37 6D 1B 5B 4B 1B 5B 31 34 3B 31 48 1B 5B 30 
< 380   3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 31 35 3B 31 
< 390   48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 
< 3A0   31 36 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 
< 3B0   5B 4B 1B 5B 31 37 3B 31 48 1B 5B 30 3B 34 30 3B 
< 3C0   33 37 6D 1B 5B 4B 1B 5B 31 38 3B 31 48 1B 5B 30 
< 3D0   3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 31 39 3B 31 
< 3E0   48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 
< 3F0   32 30 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 
< 400   5B 4B 1B 5B 34 3B 31 30 48 0F 
< 00    1B 5B 32 31 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 
< 10    6D 1B 5B 4B 1B 5B 32 32 3B 31 48 1B 5B 30 3B 34 
< 20    30 3B 33 37 6D 1B 5B 4B 1B 5B 32 33 3B 31 48 1B 
< 30    5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 1B 5B 32 34 
< 40    3B 31 48 1B 5B 30 3B 34 30 3B 33 37 6D 1B 5B 4B 
< 50    1B 5B 34 3B 31 30 48 
> 00    33 
> 00    36 
< 00    1B 5B 31 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 
< 10    31 6D 43 3A 5C 3E 1B 5B 4B 1B 5B 32 3B 32 31 48 
< 20    1B 5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 
< 30    5B 33 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 31 
< 40    6D 1B 5B 4B 1B 5B 34 3B 31 48 1B 5B 30 3B 34 30 
< 50    3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 35 3B 31 48 1B 
< 60    5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 
< 70    36 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 31 6D 
< 80    1B 5B 4B 1B 5B 37 3B 31 48 1B 5B 30 3B 34 30 3B 
< 90    33 37 3B 31 6D 1B 5B 4B 1B 5B 38 3B 31 48 1B 5B 
< A0    30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 39 
< B0    3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 
< C0    5B 4B 1B 5B 31 30 3B 31 48 1B 5B 30 3B 34 30 3B 
< D0    33 37 3B 31 6D 1B 5B 4B 1B 5B 31 31 3B 31 48 1B 
< E0    5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 
< F0    31 32 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 31 
< 100   6D 1B 5B 4B 1B 5B 31 33 3B 31 48 1B 5B 30 3B 34 
< 110   30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 31 34 3B 31 
< 120   48 1B 5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 
< 130   1B 5B 31 35 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 
< 140   3B 31 6D 1B 5B 4B 1B 5B 31 36 3B 31 48 1B 5B 30 
< 150   3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 31 37 
< 160   3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 
< 170   5B 4B 1B 5B 31 38 3B 31 48 1B 5B 30 3B 34 30 3B 
< 180   33 37 3B 31 6D 1B 5B 4B 1B 5B 31 39 3B 31 48 1B 
< 190   5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 
< 1A0   32 30 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 3B 31 
< 1B0   6D 1B 5B 4B 1B 5B 32 31 3B 31 48 1B 5B 30 3B 34 
< 1C0   30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 32 32 3B 31 
< 1D0   48 1B 5B 30 3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 
< 1E0   1B 5B 32 33 3B 31 48 1B 5B 30 3B 34 30 3B 33 37 
< 1F0   3B 31 6D 1B 5B 4B 1B 5B 32 34 3B 31 48 1B 5B 30 
< 200   3B 34 30 3B 33 37 3B 31 6D 1B 5B 4B 1B 5B 31 3B 
< 210   35 48 
> 00    64 
> 00    69 
< 00    1B 5B 31 3B 35 48 1B 5B 30 3B 34 30 3B 33 37 3B 
< 10    31 6D 64 1B 5B 31 3B 36 48 
> 00    72 
< 00    1B 5B 31 3B 36 48 69 1B 5B 31 3B 37 48 
> 00    0D 00 
< 00    1B 5B 31 3B 37 48 72 1B 5B 31 3B 38 48 
< 00    1B 5B 33 3B 32 48 56 6F 6C 75 6D 65 20 69 6E 20 
< 10    64 72 69 76 65 20 43 20 68 61 73 20 6E 6F 20 6C 
< 20    61 62 65 6C 1B 5B 34 3B 32 48 56 6F 6C 75 6D 65 
< 30    20 53 65 72 69 61 6C 20 4E 75 6D 62 65 72 20 69 
< 40    73 20 33 34 32 43 2D 31 31 46 46 1B 5B 35 3B 32 
< 50    48 44 69 72 65 63 74 6F 72 79 20 6F 66 20 43 3A 
< 60    5C 1B 5B 37 3B 31 48 43 4F 4D 4D 41 4E 44 20 20 
< 70    43 4F 4D 20 20 20 20 20 20 20 20 35 34 2C 36 34 
< 80    35 20 30 35 2D 33 31 2D 39 34 20 20 20 36 3A 32 
< 90    32 61 1B 5B 38 3B 31 48 41 55 54 4F 45 58 45 43 
< A0    20 42 41 54 20 20 20 20 20 20 20 20 20 20 20 34 
< B0    32 34 20 30 35 2D 31 36 2D 39 37 20 20 31 31 3A 
< C0    31 31 61 1B 5B 39 3B 31 48 43 54 52 4C 42 52 4B 
< D0    20 20 43 4F 4D 20 20 20 20 20 20 20 20 20 20 20 
< E0    33 30 38 20 30 38 2D 30 39 2D 39 30 20 20 31 30 
< F0    3A 32 31 61 1B 5B 31 30 3B 31 48 43 4F 4E 46 49 
< 100   47 20 20 20 53 59 53 20 20 20 20 20 20 20 20 20 
< 110   20 20 31 37 36 20 30 33 2D 30 33 2D 39 37 20 20 
< 120   20 32 3A 31 34 70 1B 5B 31 31 3B 31 48 57 49 4E 
< 130   41 32 30 20 20 20 33 38 36 20 20 20 20 20 20 20 
< 140   20 20 39 2C 33 34 39 20 30 39 2D 33 30 2D 39 33 
< 150   20 20 20 36 3A 32 30 61 1B 5B 31 32 3B 31 48 4E 
< 160   45 54 57 4F 52 4B 20 20 20 20 20 20 3C 44 49 52 
< 170   3E 20 20 20 20 20 20 20 20 20 30 34 2D 32 39 2D 
< 180   39 36 20 20 31 30 3A 35 36 61 1B 5B 31 33 3B 31 
< 190   48 47 50 4F 20 20 20 20 20 20 20 20 20 20 3C 44 
< 1A0   49 52 3E 20 20 20 20 20 20 20 20 20 30 34 2D 32 
< 1B0   39 2D 39 36 20 20 31 30 3A 35 37 61 1B 5B 31 34 
< 1C0   3B 31 48 50 41 43 20 20 20 20 20 20 20 20 20 20 
< 1D0   3C 44 49 52 3E 20 20 20 20 20 20 20 20 20 30 34 
< 1E0   2D 32 39 2D 39 36 20 20 31 30 3A 35 37 61 1B 5B 
< 1F0   31 35 3B 31 48 45 41 20 20 20 20 20 20 20 20 20 
< 200   20 20 3C 44 49 52 3E 20 20 20 20 20 20 20 20 20 
< 210   30 34 2D 32 39 2D 39 36 20 20 31 30 3A 35 37 61 
< 220   1B 5B 31 36 3B 31 48 43 4F 4D 50 4C 49 42 20 20 
< 230   20 20 20 20 3C 44 49 52 3E 20 20 20 20 20 20 20 
< 240   20 20 30 34 2D 32 39 2D 39 36 20 20 31 30 3A 35 
< 250   37 61 1B 5B 31 37 3B 31 48 44 4F 53 20 20 20 20 
< 260   20 20 20 20 20 20 3C 44 49 52 3E 20 20 20 20 20 
< 270   20 20 20 20 30 34 2D 32 39 2D 39 36 20 20 31 31 
< 280   3A 30 30 61 1B 5B 31 38 3B 31 48 46 49 4C 45 53 
< 290   20 20 20 20 20 20 20 20 3C 44 49 52 3E 20 20 20 
< 2A0   20 20 20 20 20 20 30 34 2D 32 39 2D 39 36 20 20 
< 2B0   31 31 3A 31 32 61 1B 5B 31 39 3B 31 48 4F 55 54 
< 2C0   50 55 54 20 20 20 44 41 54 20 20 20 20 20 20 20 
< 2D0   20 32 33 2C 39 35 36 20 30 33 2D 30 34 2D 39 37 
< 2E0   20 20 31 31 3A 35 35 61 1B 5B 32 30 3B 38 48 31 
< 2F0   33 20 66 69 6C 65 28 73 29 20 20 20 20 20 20 20 
< 300   20 20 38 38 2C 38 35 38 20 62 79 74 65 73 1B 5B 
< 310   32 31 3B 32 32 48 32 30 31 2C 30 32 37 2C 35 38 
< 320   34 20 62 79 74 65 73 20 66 72 65 65 1B 5B 32 33 
< 330   3B 31 48 43 3A 5C 3E 1B 5B 32 34 3B 31 48 1B 44 
< 340   1B 5B 32 32 3B 35 48 
< 00    1B 5B 32 34 3B 31 48 20 20 20 20 20 20 20 20 20 
< 10    20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 
< 20    20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 
< 30    20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 
< 40    20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 
< 50    20 20 20 20 20 20 20 1B 5B 32 32 3B 35 48 
> 00    1B 
> 00    78 
> 00    78
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