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Date:      Mon, 31 May 1999 06:49:15 -1000
From:      "Kuriyama, Kent K Mr (CPF N651KK)" <KuriyaKK@cpf.navy.mil>
To:        freebsd-questions@freebsd.org
Subject:   Telnet to a 3.2 release box fails
Message-ID:  <5F261BB1D6D1D211827500204840381314161A@uemsprinsp1.cpf.navy.mil>

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I am unable to telnet from a Fore PowerHub router into a release 3.2 box.
When accessing a 2.2.7 box I have no problem.  I've enabled debug reporting
on /usr/libexec/telnetd and show the respective traces below.  I don't
understand the telnet negotiation protocol to determine who is at fault -
any help would be greatly appreciated.  Thanks.

Kent
-----------------------
The following telnet session to XXX.124.12.9 (a 3.2 RELEASE box) fails.  I
do not receive a login prompt.

4:u352-ph-1:telnet# open XXX.124.12.9
Trying XXX.124.12.9...
Connected to XXX.124.12.9.
Escape character is '^Y'.
td: send do AUTHENTICATION
td: ttloop
td: netflush 43 chars
td: ttloop read 18 chars
td: recv wont AUTHENTICATION
td: recv do SUPPRESS GO AHEAD
td: send will SUPPRESS GO AHEAD
td: recv will TERMINAL TYPE
td: send do TERMINAL TYPE
td: recv will NAWS
td: send do NAWS
td: recv will TSPEED
td: send do TSPEED
td: recv do STATUS
td: send will STATUS
td: send will ENCRYPT
td: send do XDISPLOC
td: send do NEW-ENVIRON
td: send do OLD-ENVIRON
td: ttloop
td: netflush 432 chars
td: ttloop read 20 chars
td: recv dont ENCRYPT
td: recv wont XDISPLOC
td: recv wont NEW-ENVIRON
td: recv wont OLD-ENVIRON
td: netflush 127 chars
td: recv suboption NAWS 0 25 (25) ?80?
td: send suboption TERMINAL-SPEED SEND
td: send suboption TERMINAL-TYPE SEND
td: ttloop
td: netflush 143 chars
td: ttloop read 11 chars
td: netflush 26 chars
td: recv suboption TERMINAL-TYPE IS "vt100"
td: ttloop
td: netflush 57 chars

At this point I interrupt the telnet session.

-----------------------
The following telnet session to XXX.124.12.8 (a 2.2.7 RELEASE box) works.

3:u352-ph-1:telnet# open XXX.124.12.8
Trying XXX.124.12.8...
Connected to XXX.124.12.8.
Escape character is '^Y'.
td: send do TERMINAL TYPE
td: send do TSPEED
td: send do XDISPLOC
td: send do NEW-ENVIRON
td: send do OLD-ENVIRON
td: ttloop
td: netflush 146 chars
td: ttloop read 27 chars
td: recv wont TERMINAL TYPE
td: recv wont TSPEED
td: recv wont XDISPLOC
td: recv wont NEW-ENVIRON
td: recv do SUPPRESS GO AHEAD
td: send will SUPPRESS GO AHEAD
td: recv will TERMINAL TYPE
td: send do TERMINAL TYPE
td: recv will NAWS
td: send do NAWS
td: recv will TSPEED
td: send do TSPEED
td: recv do STATUS
td: send will STATUS
td: ttloop
td: netflush 397 chars
td: ttloop read 3 chars
td: recv wont OLD-ENVIRON
td: send do ECHO
td: send do LINEMODE
td: send do LFLOW
td: ttloop
td: netflush 144 chars
td: ttloop read 20 chars
td: netflush 26 chars
td: recv suboption TERMINAL-TYPE IS "vt100"
td: recv will ECHO
td: recv wont LINEMODE
td: netflush 89 chars
td: recv wont LFLOW
td: simulating recv
td: recv will ECHO
td: send dont ECHO
td: send will ECHO
td: netflush 108 chars
td: Entering processing loop

FreeBSD (newcpf) (ttyp1)

td: netflush 79 chars
td: netread 6 chars
td: recv wont ECHO
td: recv do ECHO
td: netflush 59 chars
login: td: netflush 7 chars

telnet> close
Connection closed.


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