다른ssh 클라이언트는 접속이 되는데 xshell만 접속이 안됩니다. [1]

Connecting to host ...
Connected.
[18:03:18] Version exchange initiated...
[18:03:18] server: SSH-2.0-lshd-2.0.2 lsh - a GNU ssh
[18:03:18] client: SSH-2.0-libssh_1.3.4.2 2314 NetSarang Computer, Inc.
[18:03:18] SSH2 is selected.
[18:03:18] Algorithm negotiation initiated...
[18:03:18] key exchange: diffie-hellman-group1-sha1
[18:03:18] host key: ssh-rsa
[18:03:18] outgoing encryption: 3des-cbc
[18:03:18] incoming encryption: 3des-cbc
[18:03:18] outgoing mac: hmac-sha1
[18:03:18] incoming mac: hmac-sha1
[18:03:18] outgoing compression: zlib
[18:03:18] incoming compression: zlib
[18:03:18] Host authentication initiated...
[18:03:18] Hostkey fingerprint:
[18:03:18] ssh-rsa 2048 68:58:e3:86:3a:81:77:e4:7d:98:19:a7:90:32:c8:bb
[18:03:18] Accepted. Verifying host key...
[18:03:18] Verified.
[18:03:18] User authentication initiated...
[18:03:21] Sent user name 'hoonsid'.
[18:03:24] Sent password.
[18:03:24] Access granted.

Connection closed.

기타 putty같은 다른 ssh클라이언트에서는 접속이 원활이 되는데
xshell에서는 위와같이 접속과 인증이 끝난후 쉘은 뜨지도 않고 바로 접속이 닫혀버립니다.
무엇이 잘못 되었습니까?

OS는 우분투 7.04
ssh서버데몬은 lsh-server
설정은 /etc/ssh/ssh_config에서 아래와 같이 했습키다.

Host *
# ForwardAgent no
ForwardX11 yes
# ForwardX11Trusted yes
# RhostsRSAAuthentication no
# RSAAuthentication yes
PasswordAuthentication yes
# HostbasedAuthentication no
# BatchMode no
# CheckHostIP yes
# AddressFamily any
# ConnectTimeout 0
# StrictHostKeyChecking ask
# IdentityFile ~/.ssh/identity
# IdentityFile ~/.ssh/id_rsa
# IdentityFile ~/.ssh/id_dsa
# Port 22
# Protocol 2,1
# Cipher 3des
# Ciphers aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc
# EscapeChar ~
# Tunnel no
# TunnelDevice any:any
# PermitLocalCommand no
SendEnv LANG LC_*
HashKnownHosts yes
GSSAPIAuthentication yes
# GSSAPIDelegateCredentials no

안녕하십니까. 넷사랑컴퓨터 기술지원입니다.

현재 배포 중인 Xshell 2.0 Build 1507, Xshell 3.0 Beta Build 0082는 말씀하신 문제를 수정한
버전입니다.

/download/main.html#online

Xshell에 관심을 가져주셔서 감사합니다.

항상 발전하는 넷사랑컴퓨터가 되겠습니다. 감사합니다.