SUMMARY: gethostbyaddr() failed

From: ying He (ying@share.sph.jhu.edu)
Date: Fri Apr 05 1996 - 23:17:33 CST


I solved the problem by adding back my ppp ip address into my hosts file.
I am attatching the two mails which I received so far and they helped me to
solve my problem.
Thanks again Casper and Stephen and may more are coming...

==============================================================
>From sweh@mpn.com Fri Apr 5 06:38 EST 1996
Subject: Re: your mail
To: ying@share.sph.jhu.edu
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> --------------------------------------------------------------
> Apr 4 17:55:15 alive sendmail[28489]: gethostbyaddr() failed
> Apr 4 23:42:26 alive sendmail[28869]: gethostbyaddr() failed
> Apr 4 23:42:55 alive sendmail[28880]: gethostbyaddr() failed

There is no lookup for your IP address into a hostname. If you have
multiple interfaces or multiple addresses on one interface then you
must have a lookup for all the IP addresses.

The message there isn't an error - it's a warning. Just an annoying one :-)

rgds
Stephen

>From casper@holland.Sun.COM Fri Apr 5 04:53 EST 1996
To: ying@share.sph.jhu.edu (ying He )
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>Dear Sun managers;
>My system keep getting following messages in file /var/adm/messages
>when sendmail, what caused these and Any way I can stop these?
>(alive is our hostname)
>--------------------------------------------------------------
>Apr 4 17:55:15 alive sendmail[28489]: gethostbyaddr() failed
>Apr 4 23:42:26 alive sendmail[28869]: gethostbyaddr() failed
>Apr 4 23:42:55 alive sendmail[28880]: gethostbyaddr() failed

Your system can't find all names for all interfaces.

Check for funny addresses with "ifconfig -a"

Casper

Ying



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