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Date:	Wed, 24 Jul 2002 17:08:19 +0200
From:	"Gerrit P. Haase" <freeweb AT nyckelpiga DOT de>
Reply-To:	"Gerrit P. Haase" <freeweb AT nyckelpiga DOT de>
Organization:	Esse keine toten Tiere
X-Priority:	3 (Normal)
Message-ID:	<151053006993.20020724170819@familiehaase.de>
To:	cygwin AT cygwin DOT com
Subject:	cannot connect sshd on port 21 from w2k client
MIME-Version:	1.0

Hallo cygwin,

I cannot connect to sshd from my w2k client when sshd is running on
port 21, the debug log:
debug1: sshd version OpenSSH_3.4p1
debug1: private host key: #0 type 0 RSA1
debug3: Not a RSA1 key file /etc/ssh_host_rsa_key.
debug1: read PEM private key done: type RSA
debug1: private host key: #1 type 1 RSA
debug3: Not a RSA1 key file /etc/ssh_host_dsa_key.
debug1: read PEM private key done: type DSA
debug1: private host key: #2 type 2 DSA
debug1: Bind to port 21 on 0.0.0.0.
Server listening on 0.0.0.0 port 21.
Generating 768 bit RSA key.
RSA key generation complete.
debug1: Server will not fork when running in debugging mode.
Connection from 192.168.5.3 port 4540
debug1: Client protocol version 2.0; client software version OpenSSH_3.4p1
debug1: match: OpenSSH_3.4p1 pat OpenSSH*
Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-1.99-OpenSSH_3.4p1
debug2: Network child is on pid 1017
debug3: preauth child monitor started
debug3: mm_request_receive entering
debug1: list_hostkey_types: ssh-rsa,ssh-dss
debug1: SSH2_MSG_KEXINIT sent
Read from socket failed: Connection reset by peer
debug1: Calling cleanup 0x41c9c4(0x0)
debug1: Calling cleanup 0x41c9c4(0x0)

The same when connection is made from NT4 client:
debug1: sshd version OpenSSH_3.4p1
debug1: private host key: #0 type 0 RSA1
debug3: Not a RSA1 key file /etc/ssh_host_rsa_key.
debug1: read PEM private key done: type RSA
debug1: private host key: #1 type 1 RSA
debug3: Not a RSA1 key file /etc/ssh_host_dsa_key.
debug1: read PEM private key done: type DSA
debug1: private host key: #2 type 2 DSA
debug1: Bind to port 21 on 0.0.0.0.
Server listening on 0.0.0.0 port 21.
Generating 768 bit RSA key.
RSA key generation complete.
debug1: Server will not fork when running in debugging mode.
Connection from 127.0.0.1 port 1897
debug1: Client protocol version 2.0; client software version OpenSSH_3.4p1
debug1: match: OpenSSH_3.4p1 pat OpenSSH*
Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-1.99-OpenSSH_3.4p1
debug2: Network child is on pid 1137
debug3: preauth child monitor started
debug3: mm_request_receive entering
debug1: list_hostkey_types: ssh-rsa,ssh-dss
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
[...and so on...]

login succeeds from NT4 clients but not from w2k clients.
I tested also from a remote NT4 client instead of localhost which works
well too.
Any ideas?

-- 
Gerrit


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