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Xinetd flags and tcp46 socket usage to telnet / ssh via v4 and v6 addresses

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Operating Systems Linux Red Hat Xinetd flags and tcp46 socket usage to telnet / ssh via v4 and v6 addresses
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Old 03-15-2013
Xinetd flags and tcp46 socket usage to telnet / ssh via v4 and v6 addresses
Hello everyone.. I need some help in understanding the usage of tcp46 socket and xinetd.d flags..

What I'm trying to do?
I'm looking to use tenet via tcp46 socket for both ipv4 and ipv6 traffic. For this, if i set flags = IPV6 xinetd.d, telnet service, i can not telnet via V4. If I unset the flags, I can only use V4 address.

Looking into how the "xinetd" understands the flags, it looks like when flags are set IPV4, we are limited to use IPV4 to use the service. Similar is the case if we set flags to IPv6. Is this true? Please correct me if my understanding is not right here.

My question: When we want to use single socket to both use v4 and v6 address, like tcp46, should we have to enable "ipv4mappedipv6" address in the system, so that even if we set xinetd's Flag to "IPV6", we can still use them? Does this sound right?
Or is there a better way to allow both v4 and v6 traffic?

Thanks for your inputs.
Sudharshan
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LEARN ABOUT CENTOS

ocf_heartbeat_xinetd

OCF_HEARTBEAT_XINETD(7) 					OCF resource agents					   OCF_HEARTBEAT_XINETD(7)

NAME

       ocf_heartbeat_Xinetd - Manages a service of Xinetd

SYNOPSIS

       Xinetd [start | stop | status | monitor | meta-data | validate-all]

DESCRIPTION

       Resource script for Xinetd. It starts/stops services managed by xinetd by enabling or disabling them in the configuration file.

       The xinetd daemon itself must be running: we are not going to start or stop it ourselves.

       All services should have a line saying either "disable=yes" or "disable=no". The script just changes those settings before reloading
       xinetd.

       Important: in case the services managed by the cluster are the only ones enabled, you should specify the -stayalive option for xinetd or it
       will exit on Heartbeat stop. Alternatively, you may enable some internal service such as echo.

SUPPORTED PARAMETERS

       service
	   The name of the service managed by xinetd.

	   (required, string, no default)

SUPPORTED ACTIONS

       This resource agent supports the following actions (operations):

       start
	   Starts the resource. Suggested minimum timeout: 20s.

       stop
	   Stops the resource. Suggested minimum timeout: 20s.

       restart
	   Suggested minimum timeout: 20s.

       status
	   Performs a status check. Suggested minimum timeout: 10. Suggested interval: 10.

       monitor
	   Performs a detailed status check. Suggested minimum timeout: 10. Suggested interval: 10.

       validate-all
	   Performs a validation of the resource configuration. Suggested minimum timeout: 5.

       meta-data
	   Retrieves resource agent metadata (internal use only). Suggested minimum timeout: 5.

EXAMPLE

       The following is an example configuration for a Xinetd resource using the crm(8) shell:

	   primitive p_Xinetd ocf:heartbeat:Xinetd 
	     params 
	       service=string 
	     op monitor depth="0" timeout="10" interval="10"

SEE ALSO

       http://www.linux-ha.org/wiki/Xinetd_(resource_agent)

AUTHOR

       Linux-HA contributors (see the resource agent source for information about individual authors)

resource-agents UNKNOWN 					    06/09/2014						   OCF_HEARTBEAT_XINETD(7)