On Mon, 2008-01-14 at 17:53 -0500, Eric B. wrote: > > Eric B. wrote: > >>>><snip> > >> Thanks for the feedback Rick. I didn't realize that security > >> implication. > >> However I'm already running this on a machine that is heavily firewalled > >> on > >> a VPN so I am fairly sure that no one will be accessing this externally, > >> but > >> I still would like to restrict access to particular machines. Ideally, > >> would rather use FQDN to make life easier for me to administer. I have > >> created my additional reverse-dns pointer but I am still having problems > >> with it. > >> > >> nslookup from the server gives me: > >> # nslookup 192.168.3.103 > >> Server: 192.168.1.67 > >> Address: 192.168.1.67#53 > >> > >> 103.3.168.192.in-addr.arpa name = > >> eric.test.com.3.168.192.in-addr.arpa. > >> > > > > It looks like there is a missing trailing dot in your DNS zone > > configuration. I doubt you are authoritative for the in-addr.arpa zone. > > > > in your zone file, you should have something like > > 103 IN PTR eric.test.example. > > (notice the last dot). Otherwise, the zone name (@ORIGIN) will be added. > > > > > > make sure you have a matching reverse _and_ forward resolution. you > > should get something like: > > > > 192.168.3.103 => eric.test.example > > _and_ > > eric.test.example => 192.168.3.103 > > > > If you only have the reverse lookup, the result is untrusted and sane > > applications should ignore it. > > > 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? -----||| I haven't seen that in your previous posts. Type in posting or some configuration problem? > > <snip> > Thanks, > > Eric > <snip sig stuff> HTH -- Bill _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos