help on check_udp

[Neil]

Subhendu Ghosh writes: 

> Depends on the app - if the app can accept and reply to plain text then 
> check_udp -s send_string -e expect_string works 
> 
> Otherwise have to fall back to application specific checks in most cases.
> eg: dhcp will only accept packets originating on port 68 to port 67 
> 
> check_snmp, check_dhcp in thes two cases. 
> 

Ok. Is there any parameter that I need to add for check_snmp and check_dhcp 
in services.cfg file? I am asking this because, this is how I got check_tcp 
to work in services.cfg file: 

check_command    check_tcp!5900 

This checks if VNC service is running. 

Followup, what about check_dns, what should be the actual line in 
services.cfg file? 

Thanks again. 

Neil 


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