> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx
> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of Eric B.
> Sent: Monday, January 14, 2008 8:45 PM
> To: centos@xxxxxxxxxx
> Subject: Re: Re: Re: Re: What libs req'd to resolve
> DNSwithinachrootjail?
>
>
> "Mike Kercher" <mike@xxxxxxxxx> wrote in message
> news:6115482898C59848B35DB9D491C9A28E08BFA3@xxxxxxxxxxxxxxxxxx
nger.net...
> > >> Thanks for the pointer. Indeed, I was missing the
> > trailing . after
> > >> my FQDN in my revers file. I have updated my reverse files, and
> > >> nslookup is resolving better, but still not further ahead.
> > >>
> > >> My reverse file: 3.168.192.in-addr.arpa now contains the
> > following line:
> > >> 103 IN PTR eric.test.com.
> > >>
> > >>
> > >> If I try nslookups now, my results are as follows:
> > >>
> > >> # nslookup 192.168.3.103
> > >> Server: 192.168.1.67
> > >> Address: 192.168.1.67#53
> > >>
> > >> 103.103.168.192.in-addr.arpa name = eric.test.com.
> > >>
> > >> # nslookup eric.test.com
> > >> Server: 192.168.1.67
> > >> Address: 192.168.1.67#53
> > >>
> > >> Name: eric.test.com
> > >> Address: 192.168.3.103
> > >>
> > >>
> > >> So from that, it seems as though the DNS / rDNS are properly
> > >> configured, does it not? Similarly, I have both the forward and
> > >> reverse domain name on the DNS server as the nslookups show.
> > >> However, I still get the same error
> > >> msg:
> > >> Jan 14 17:46:50 apollo atftpd[15905]: Connection refused from
> > >> 192.168.103.103
> > > AAA
> > > Correct? -----|||
> >
> > Whoops - cut & paste typo. That line is supposed to read:
> > Jan 14 17:46:50 apollo atftpd[15905]: Connection refused from
> > 192.168.3.103
> >
>
> > Can you post your complete hosts.allow and hosts.deny files?
>
> Not much to them actually:
> /chroot/tftpd/etc/hosts.allow:
> #
> # hosts.allow This file describes the names of the hosts which are
> # allowed to use the local INET services, as decided
> # by the '/usr/sbin/tcpd' server.
> #
> in.tftpd : eric.test.com : allow
>
> /chroot/tftpd/etc/hosts.deny:
> #
> # hosts.deny This file describes the names of the hosts which are
> # *not* allowed to use the local INET services,
> as decided
> # by the '/usr/sbin/tcpd' server.
> #
> in.tftpd : ALL : deny
>
>
>
> Again, I have concerns that I might be missing something in
> my chroot jail, but when I change my hosts.allow file to read
> the following, it works fine.
> in.tftpd: 192.168.3.103 : allow
>
> So I am utterly and totally confused. I keep thinking that
> there must be something DNS related that I need in the chroot
> jail that I am missing.
> I do have a /chroot/tftpd/etc/resolv.conf with the nameserver
> entry that points to the DNS server, and all files in my
> /chroot/tftpd/etc dir are world readable. I also have a
> /chroot/tftpd/etc/hosts file (that is pretty much empty -
> just a line for 127.0.0.1).
>
> # ls -l /chroot/tftpd/etc
> -rw-r--r-- 1 root root 148 Jan 14 17:53 hosts
> -rw-r--r-- 1 root root 417 Jan 14 17:37 hosts.allow
> -rw-r--r-- 1 root root 370 Jan 13 12:13 hosts.deny
> -rw-r--r-- 1 root root 1267 Jan 12 21:43 localtime
> -rw-r--r-- 1 root root 1686 Jan 12 15:50 nsswitch.conf
> -rw-r--r-- 1 root root 86 Jan 14 17:52 resolv.conf
> -rw-r--r-- 1 root root 20373 Jan 12 15:47 services
>
>
> Is there anything else I need that I am missing? Either
> config file or lib?
>
> Any suggestions of things I can try?
>
> Thanks,
>
> Eric
>
Something I found:
15.2.3.2. Access Control
Option fields also allow administrators to explicitly allow or deny
hosts in a single rule by adding the allow or deny directive as the
final option.
For instance, the following two rules allow SSH connections from
client-1.example.com, but deny connections from client-2.example.com:
sshd : client-1.example.com : allow
sshd : client-2.example.com : deny
By allowing access control on a per-rule basis, the option field allows
administrators to consolidate all access rules into a single file:
either hosts.allow or hosts.deny. Some consider this an easier way of
organizing access rules.
Conceivably, you could put all rules into one file (hosts.allow maybe).
See if that helps..
Mike
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