From owner-freebsd-current  Sun Aug 13 12:29: 0 2000
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From: John Hay <jhay@icomtek.co.za>
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Subject: Re: sendmail updated from 8.9.3 to 8.11.0 in -current
In-Reply-To: <14742.61852.184466.543141@horsey.gshapiro.net> from Gregory Neil Shapiro at "Aug 13, 2000 12:06:04 pm"
To: gshapiro@gshapiro.net (Gregory Neil Shapiro)
Date: Sun, 13 Aug 2000 21:28:20 +0200 (SAT)
Cc: jhay@icomtek.co.za (John Hay), ume@mahoroba.org (Hajimu UMEMOTO),
	gshapiro@FreeBSD.ORG, freebsd-current@FreeBSD.ORG
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> jhay> There is just an annoying message because of the anycast address:
> 
> jhay> Aug 13 16:38:47 angel sendmail[11947]: gethostbyaddr(3ffe:2900:fffa:4::) failed: 1
> 
> jhay> Is that because of a configuration error or just because sendmail needs
> jhay> to check for anycast addresses?
> 
> sendmail tries to get the hostnames associated with all of it's interfaces
> to populate $=w (local host names).  The best fix would be to create an
> entry in DNS for that address.  Perhaps sendmail shouldn't bother warning
> on multicast addresses.  Can you see if this patch makes the error go away?
> 

I tried your second patch, but it didn't make a difference. I'll take
the easy way out for now and add a DNS entry like you and ume suggested.
:-) I looked in ifconfig to see how they did the anycast detection and
you basically have to open another socket into the kernel (this time
an AF_INET6 one) and get the ipv6 flags and check them. Maybe too much
work, except if it is going to bother too many people. :-/

John
-- 
John Hay -- John.Hay@icomtek.csir.co.za


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