NSCA Auth Problem?

[Bill Corcoran]

I'm having a problem getting the NSCA add-on working right (should this 
go to the plugins list or the nagios list?  i guessed here first).

i've written a small wrapper in perl for the standard check_disk plugin 
so that it produces the output formatted as required by NSCA as 
specified in the README.  then, i pipe it to send_nsca and here's what 
happens:

(client side):
[user at host test]$ ./check_disk_wrapper | ./send_nsca -H <nagios_host> 
-p <remote_port> -c ./send_nsca.cfg
Error: Server closed connection before init packet was received
Error: Could not read init packet from server

(server side):
[user at shost nagios]# ps -waux | grep nsca
nagios   12026  0.0  0.2  1860  660 ?        S    Feb10   0:00 
/usr/local/nagios/bin/nsca -c /usr/local/nagios/etc/nsca2.cfg --single
[user at shost nagios]# tail -f /var/log/messages
Feb 11 08:06:44 <nagios_host> nsca[12026]: Host <client_ip> is not 
allowed to talk to us!

Both the nsca daemon and nagios were both started standalone/manually.  
Both nsca.cfg on the server and send_nsca.cfg on the client have the 
same encryption method and password, and are using the same port.  The 
client ip has been allowed in iptables on the server (most other things 
are blocked), as well as hosts.allow/xinetd config (but when i try 
running the nsca daemon under xinetd, i get the same thing on the 
client but no indication whatsoever on the server).  And of course the 
host/service have been specified as usual in nagios' hosts.cfg and 
services.cfg, with active checks off and passive checks on.

what the heck is going on here?  is there some hidden place/way i need 
to tell nsca to allow my client to send passive checks?  thanks for any 
and all help.

-Bill




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