Bug#497455: openssh-server: connection attempts fail with "Connection refused"

[Christoph Groth <cwg@falma.de>]

Colin Watson <cjwatson@debian.org> writes:

> Please attach /etc/ssh/sshd_config, and look for relevant entries around
> sshd startup time in /var/log/auth.log.

After running /etc/init.d/ssh restart only two lines are appended to
/var/log/auth.log:

Sep  2 08:08:28 mimoid sshd[3807]: Received signal 15; terminating.
Sep  2 08:08:28 mimoid sshd[4422]: Server listening on :: port 22.

In fact, these are also the only lines found by

zgrep '^Sep  2 08:08' /var/log/*

Also, no logs are generated when I try to log in:

mimoid:/var/log# ssh localhost
ssh: connect to host localhost port 22: Connection refused
mimoid:/var/log# date
Tue Sep  2 08:15:42 CEST 2008
mimoid:/var/log# zgrep '^Sep  2 08:15' /var/log/*
mimoid:/var/log#



This is my /etc/ssh/sshd_config:

# Package generated configuration file
# See the sshd(8) manpage for details

AllowUsers cwg

# What ports, IPs and protocols we listen for
Port 22
# Use these options to restrict which interfaces/protocols sshd will bind to
ListenAddress ::
#ListenAddress 192.168.0.1
Protocol 2
# HostKeys for protocol version 2
HostKey /etc/ssh/ssh_host_rsa_key
HostKey /etc/ssh/ssh_host_dsa_key
#Privilege Separation is turned on for security
UsePrivilegeSeparation yes

# Lifetime and size of ephemeral version 1 server key
KeyRegenerationInterval 3600
ServerKeyBits 768

# Logging
SyslogFacility AUTH
LogLevel INFO

# Authentication:
LoginGraceTime 600
PermitRootLogin no
StrictModes yes

#RSAAuthentication yes
PubkeyAuthentication yes
#AuthorizedKeysFile	%h/.ssh/authorized_keys

# 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_known_hosts
RhostsRSAAuthentication no
# similar for protocol version 2
HostbasedAuthentication no
# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
#IgnoreUserKnownHosts yes

# To enable empty passwords, change to yes (NOT RECOMMENDED)
PermitEmptyPasswords no

# Change to no to disable s/key passwords
ChallengeResponseAuthentication no

# Change to yes to enable tunnelled clear text passwords
PasswordAuthentication no

# To change Kerberos options
#KerberosAuthentication no
#KerberosOrLocalPasswd no
#AFSTokenPassing no
#KerberosTicketCleanup no

# Kerberos TGT Passing does only work with the AFS kaserver
#KerberosTgtPassing yes

X11Forwarding yes
X11DisplayOffset 10
PrintMotd no
PrintLastLog yes
TCPKeepAlive yes
#UseLogin no

#MaxStartups 10:30:60
#Banner /etc/issue.net

Subsystem sftp /usr/lib/openssh/sftp-server

UsePAM yes