Can't connect to server using protocol v2?

[Gregory Leblanc]

Is this really caused by a buggy server, or is this an interoperability
problem?  It seems to work ok when I specify -o "protocol 1" on the command
line.  Thanks,
	Greg

[gleblanc at grego1 gleblanc]$ ssh -v login.metalab.unc.edu
SSH Version OpenSSH_2.2.0p1, protocol versions 1.5/2.0.
Compiled with SSL (0x0090581f).
debug: Reading configuration data /etc/ssh/ssh_config
debug: Applying options for *
debug: Seeding random number generator
debug: ssh_connect: getuid 500 geteuid 0 anon 0
debug: Connecting to login.metalab.unc.edu [152.2.210.14] port 22.
debug: Seeding random number generator
debug: Allocated local port 762.
debug: Connection established.
debug: Remote protocol version 1.99, remote software version 2.0.13
(non-commercial)
datafellows: 2.0.13 (non-commercial)
Enabling compatibility mode for protocol 2.0
debug: Local version string SSH-2.0-OpenSSH_2.2.0p1
debug: send KEXINIT
debug: done
debug: wait KEXINIT
debug: got kexinit: diffie-hellman-group1-sha1
debug: got kexinit: ssh-dss
debug: got kexinit: 3des-cbc,blowfish-cbc,twofish-cbc,arcfour,none
debug: got kexinit: 3des-cbc,blowfish-cbc,twofish-cbc,arcfour,none
debug: got kexinit: hmac-md5,md5-8,none
debug: got kexinit: hmac-md5,md5-8,none
debug: got kexinit: none,zlib
debug: got kexinit: none,zlib
debug: got kexinit: 
debug: got kexinit: 
debug: first kex follow: 0 
debug: reserved: 0 
debug: done
debug: kex: server->client 3des-cbc hmac-md5 none
debug: kex: client->server 3des-cbc hmac-md5 none
debug: Sending SSH2_MSG_KEXDH_INIT.
debug: bits set: 546/1024
debug: Wait SSH2_MSG_KEXDH_REPLY.
debug: Got SSH2_MSG_KEXDH_REPLY.
The authenticity of host 'login.metalab.unc.edu' can't be established.
DSA key fingerprint is 29:49:6e:f2:b4:e8:e1:a3:91:2f:f9:99:d5:27:7b:7e.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'login.metalab.unc.edu,152.2.210.14' (DSA) to the
list of known hosts.
debug: bits set: 504/1024
debug: len 40 datafellows 15
debug: dsa_verify: signature correct
debug: Wait SSH2_MSG_NEWKEYS.
debug: GOT SSH2_MSG_NEWKEYS.
debug: send SSH2_MSG_NEWKEYS.
debug: done: send SSH2_MSG_NEWKEYS.
debug: done: KEX2.
debug: send SSH2_MSG_SERVICE_REQUEST
debug: buggy server: service_accept w/o service
debug: got SSH2_MSG_SERVICE_ACCEPT
debug: authentications that can continue: 
Permission denied ().
debug: Calling cleanup 0x805ba68(0x0)
[gleblanc at grego1 gleblanc]$