Cannot monitor Zabbix server itself

[Xeno]

Hi all,
i've managed to monitor a lot of switches perfectly with zabbix 1.6.1 in my Debian Etche based server, but i cannot monitor the zabbix server itself.
I keep on having the same
"Got empty string from [Zabbix Server] IP [127.0.0.1] " ERROR

This is what i read in the agent logs
In check_security()
20959:20090209:170741 Listener error: Connection from [::ffff:127.0.0.1] rejected. Allowed server is [127.0.0.1]

and this in the zabbix server logs
20988:20090209:170852 Got empty string from [ZABBIX Server] IP [127.0.0.1] Parameter [agent.ping]
20988:20090209:170852 Assuming that agent dropped connection because of access permissions

This is my agetd conf file

# This is config file for zabbix_agentd
# To get more information about ZABBIX, go http://www.zabbix.com

############ GENERAL PARAMETERS #################

# List of comma delimited IP addresses (or hostnames) of ZABBIX servers. 
# No spaces allowed. First entry is used for sending active checks.
# Note that hostnames must resolve hostname->IP address and
# IP address->hostname.

Server=127.0.0.1

# Server port for sending active checks

#ServerPort=10051

# Unique hostname. Required for active checks.

Hostname=localhost

# Listen port. Default is 10050

#ListenPort=10050

# IP address to bind agent
# If missing, bind to all available IPs

#ListenIP=127.0.0.1

# Number of pre-forked instances of zabbix_agentd.
# Default value is 5
# This parameter must be between 1 and 16

StartAgents=5

# How often refresh list of active checks. 2 minutes by default.

#RefreshActiveChecks=120

# Disable active checks. The agent will work in passive mode listening server.

#DisableActive=1

# Enable remote commands for ZABBIX agent. By default remote commands disabled.

#EnableRemoteCommands=1

# Specifies debug level
# 0 - debug is not created
# 1 - critical information
# 2 - error information
# 3 - warnings
# 4 - information (default)
# 5 - for debugging (produces lots of information)

DebugLevel=5

# Name of PID file

PidFile=/var/run/zabbix-agent/zabbix_agentd.pid

# Name of log file.
# If not set, syslog will be used

LogFile=/var/log/zabbix-agent/zabbix_agentd.log

# Maximum size of log file in MB. Set to 0 to disable automatic log rotation.
#LogFileSize=1

# Spend no more than Timeout seconds on processing
# Must be between 1 and 30

Timeout=3

####### USER-DEFINED MONITORED PARAMETERS #######
# Format: UserParameter=<key>,<shell command>
# Note that shell command must not return empty string or EOL only
#UserParameter=system.test,who|wc -l
### Set of parameter for monitoring MySQL server (v3.23.42 and later)
### Change -u<username> and add -p<password> if required
#UserParameter=mysql.ping,mysqladmin -uroot ping|grep alive|wc -l
#UserParameter=mysql.uptime,mysqladmin -uroot status|cut -f2 -d":"|cut -f1 -d"T"
#UserParameter=mysql.threads,mysqladmin -uroot status|cut -f3 -d":"|cut -f1 -d"Q"
#UserParameter=mysql.questions,mysqladmin -uroot status|cut -f4 -d":"|cut -f1 -d"S"
#UserParameter=mysql.slowqueries,mysqladmin -uroot status|cut -f5 -d":"|cut -f1 -d"O"
#UserParameter=mysql.qps,mysqladmin -uroot status|cut -f9 -d":"
#UserParameter=mysql.version,mysql -V

and this is my aget conf file

# This is config file for zabbix_agent
# To get more information about ZABBIX, 
# go http://www.zabbix.com

# IP address of ZABBIX server
# Connections from other hosts will be denied

Server=127.0.0.1

# Spend no more than Timeout seconds on processing
# Must be between 1 and 30

Timeout=3

####### USER-DEFINED MONITORED PARAMETERS #######
# Format: UserParameter=<key>,<shell command>
# Note that shell command must not return empty string or EOL only
#UserParameter=system.test,who|wc -l
### Set of parameter for monitoring MySQL server (v3.23.42 and later)
### Change -u<username> and add -p<password> if required
#UserParameter=mysql.ping,mysqladmin -uroot ping|grep alive|wc -l
#UserParameter=mysql.uptime,mysqladmin -uroot status|cut -f2 -d":"|cut -f1 -d"T"
#UserParameter=mysql.threads,mysqladmin -uroot status|cut -f3 -d":"|cut -f1 -d"Q"
#UserParameter=mysql.questions,mysqladmin -uroot status|cut -f4 -d":"|cut -f1 -d"S"
#UserParameter=mysql.slowqueries,mysqladmin -uroot status|cut -f5 -d":"|cut -f1 -d"O"
#UserParameter=mysql.qps,mysqladmin -uroot status|cut -f9 -d":"
#UserParameter=mysql.version,mysql -V

I don't really have a clue. In an other computer with Fedora core i had no problems with the same settings, i've also opened the right ports (TCP,UDP) in the firewall.
Please HELP

[nelsonab]

Try setting the server IP to the network IP of your Zabbix server, not localhost.

[Xeno]

Try setting the server IP to the network IP of your Zabbix server, not localhost.

In both agent and agentd configuration files? I think that i've tried it with no luck

[vhm3]

In both agent and agentd configuration files? I think that i've tried it with no luck

Definitley use something other than localhost for your server's name. Also, from a snippet of your logs posted, your agent is using IPv6 to connect with. Might try changing the connection to using the system's FQDN, or the IPv4 address.

[Xeno]

Definitley use something other than localhost for your server's name. Also, from a snippet of your logs posted, your agent is using IPv6 to connect with. Might try changing the connection to using the system's FQDN, or the IPv4 address.

The use of IPv6 explains that weird fffff:127.0.0.1 But how can i change the connection type from IPv6 to IPv4

[Xeno]

Any tip????

[Xeno]

I've changed the agentd file with
Server = 10.1.30.5 #the network ip of my Zabbix server
Hostname = monitor #the name of my Zabbix server
i've also changed the agent file
Server=10.1.30.5
And Restarted agentd and zabbix_server
But nothing changed.
This is what i read in the agent logs
In check_security()
20959:20090209:170741 Listener error: Connection from [::ffff:127.0.0.1] rejected. Allowed server is [127.0.0.1]


Why is it still trying to connect to 127.0.0.1??? and why with ::ffff: ????

[Calimero]

When creating the zabbix server host in zabbix, what IP address did you provide ? 127.0.0.1 or 10.1.30.5 ?

[Xeno]

oops right it was 127.0.0.1, i will change it.
But what about the [::ffff:127.0.0.1] will i have problems with this ::ffff: ???

[Xeno]

Fixed

I've fixed everything.
I've added
ListenIP=10.1.30.5
in both agentd and zabbix conf files and now works great!
Bye

[channelasian]

now my zabbix server would not start my error log below

 1919:20091127:035709 Starting zabbix_server. ZABBIX 1.6.7 (revision 8252).
  1919:20091127:035709 **** Enabled features ****
  1919:20091127:035709 SNMP monitoring:       YES
  1919:20091127:035709 WEB monitoring:        YES
  1919:20091127:035709 Jabber notifications:   NO
  1919:20091127:035709 ODBC:                   NO
  1919:20091127:035709 IPv6 support:           NO
  1919:20091127:035709 **************************
  1919:20091127:035709 [Z3001] Connection to database 'zabbix' failed: [1045] Access denied for user 'root'@'localhost' (using password: NO)

It works fine now.

Thanks alot.