Re: can't verify hostname: gethostbyname
From: Juha Laiho (Juha.Laiho@iki.fi)Date: 04/14/02
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From: Juha Laiho <Juha.Laiho@iki.fi> Date: Sun, 14 Apr 2002 11:45:54 GMT
"Tony" <tandcwong@attbi.com> said:
>I got the following in my log
>
>warning: /etc/hosts.allow, line 9: can't verify hostname:
>gethostbyname(rantes.oficina.virt.cl) failed
What do you have in line 9 of your /etc/hosts.allow -- this might
be a clue as to what is going on.
>Apr 11 22:12:14 myhost xinetd[8236]: refused connect from 200.72.19.26
>Apr 11 22:12:14 myhost xinetd[3981]: START: ftp pid=8236 from=200.72.19.26
>Apr 11 22:12:14 myhost xinetd[8236]: FAIL: ftp libwrap from=200.72.19.26
>Apr 11 22:12:14 myhost xinetd[3981]: EXIT: ftp pid=8236 duration=0(sec)
>
>What does this mean?
Apparently someone using address 200.72.19.26 attempted to connect to
a ftp server running on your machine (btw, if you don't need to run
ftp server, just disable/stop it). 200.72.19.26 seems to resolve to
the name "rantes.oficina.virt.cl", but for some reason the name doesn't
resolve to any number. Apparently this is why your TCP wrappers denied
this access to your ftp server.
Reference material:
tcpd manual page
hosts_access manual page
xinetd.conf manual page
--
Wolf a.k.a. Juha Laiho Espoo, Finland
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