pkg/40268: Apcupsd can hang system up

[kab00m%arjegard.labma.ru@localhost]

>Number:         40268
>Category:       pkg
>Synopsis:       If using with UPS via SNMP apcupsd hang up network if UPS not 
>found
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Dec 25 06:10:00 +0000 2008
>Originator:     Dima Veselov
>Release:        NetBSD 4.0_STABLE
>Organization:
        Laboratory for Module Automation Inc.
>Environment:
System: NetBSD arjegard.labma.ru 4.0_STABLE NetBSD 4.0_STABLE (XBlade) #0: Wed 
Dec 3 17:30:51 MSK 2008 
kab00m%arjegard.labma.ru@localhost:/usr/obj/sys/arch/i386/compile/XBlade i386
Architecture: i386
Machine: i386
>Description:
        apcupsd retry communication to UPS too fast overloading ipf tables and 
box begin to drop even ssh to the server.
        
        Also start-script is buggy - it doesn't care if apcupsd=NO in 
/etc/rc.conf
>How-To-Repeat:
        Plug out network cable of UPS network management card while apcupsd 
working with it

        Start server with apcupsd=NO in rc.conf
>Fix: