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I am running a Mandrake 9.1 server with OpenSSH 3.6.1. I can login on the localhost but when I try to login from the internal network or from outside the internet it gives this error:
ssh_identification_exchange: Connection closed by remote host
My log files give this error:
sshd[4823]: refused connect from 193.172.*.* (193.172.*.*)
(I have replaced the last two bits of the IP with astrics so my IP-adress is not fully revealed)
I am running a firewall (shorewall) but it has port 22 open, so I don't think that that is the problem, since the problem remains when I shutdown the firewall. I can't really think of any more info at the moment which is relevant. I hope anybody can help me out with this.
#$OpenBSD: sshd_config,v 1.59 2002/09/25 11:17:16 markus Exp $
# This is the sshd server system-wide configuration file. See
# sshd_config(5) for more information.
# This sshd was compiled with PATH=/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin
# The strategy used for options in the default sshd_config shipped with
# OpenSSH is to specify options with their default value where
# possible, but leave them commented. Uncommented options change a
# default value.
# HostKey for protocol version 1
HostKey /etc/ssh/ssh_host_key
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
# Lifetime and size of ephemeral version 1 server key
#KeyRegenerationInterval 3600
#ServerKeyBits 768
# Logging
#obsoletes QuietMode and FascistLogging
#SyslogFacility AUTH
#LogLevel INFO
# rhosts authentication should not be used
#RhostsAuthentication no
# Don't read the user's ~/.rhosts and ~/.shosts files
#IgnoreRhosts yes
# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts
#RhostsRSAAuthentication no
# similar for protocol version 2
#HostbasedAuthentication no
# Change to yes if you don't trust ~/.ssh/known_hosts for
# RhostsRSAAuthentication and HostbasedAuthentication
#IgnoreUserKnownHosts no
# To disable tunneled clear text passwords, change to no here!
#PasswordAuthentication yes
#PermitEmptyPasswords no
# Change to no to disable s/key passwords
#ChallengeResponseAuthentication yes
# Kerberos options
#KerberosAuthentication no
#KerberosOrLocalPasswd yes
#KerberosTicketCleanup yes
#AFSTokenPassing no
# Kerberos TGT Passing only works with the AFS kaserver
#KerberosTgtPassing no
# Set this to 'yes' to enable PAM keyboard-interactive authentication
# Warning: enabling this may bypass the setting of 'PasswordAuthentication'
#PAMAuthenticationViaKbdInt no
X11Forwarding yes
#X11DisplayOffset 10
#X11UseLocalhost yes
#PrintMotd yes
#PrintLastLog yes
#KeepAlive yes
#UseLogin no
UsePrivilegeSeparation yes
#PermitUserEnvironment no
#Compression yes
#MaxStartups 10
# no default banner path
#Banner /some/path
#VerifyReverseMapping no
# override default of no subsystems
Subsystem sftp /usr/lib/ssh/sftp-server
PermitRootLogin without-password
IgnoreRhosts yes
RhostsRSAAuthentication no
RhostsAuthentication yes
IgnoreUserKnownHosts yes
PrintMotd yes
StrictModes no
RSAAuthentication yes
PermitEmptyPasswords no
PasswordAuthentication yes
ReverseMappingCheck no
GatewayPorts yes
AllowTcpForwarding yes
KeepAlive yes
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