[CentOS] BIND issues, server not responding

Thu Aug 23 13:41:43 UTC 2007
Ray Leventhal <centos at swhi.net>

<snip>
>
> not certain if you intend it to be, but your 64.135.16.15 machine is
> not reachable from "outside". an attempt to telnet to port 53 (or 25)
> gets me "no route to host" and a traceroute ends with:
>
>  8  ge2-0.cr1.bct.fl.host.net (64.135.1.9) 34.779ms 35.102ms 35.413ms
>  9  ge6-1.er8.bct.fl.host.net (64.135.1.58) 34.934ms 34.219ms 35.044ms
> 10  sunspot.swhi.net (64.135.16.15)  34.653 ms !<10>  34.619 ms !<10>
>
>      35.739 ms !<10>
>
> so, from the outside, it appears that you have a firewall block (or
> network configuration problem). 
>
> my read is that the block is at the machine, not an edge router, so
> this may be the source of your problem.
>
> try doing a telnet to port 53 on 64.135.16.15 (based on past messages i
> think that that's the correct ipnumber) from some local machine and see
> what you get. if it's listening you should get a connect message (even
> if there are access restrictions in named.conf). if you get something
> else, that should give a hint on where to look.
>
>
>   - Rick
>
>   

Hi Rick,

Telnetting on port 53 from a machine in the same /24 gives this:

[ray at wh1 ray]$ telnet 64.135.16.15 53
Trying 64.135.16.15...
telnet: connect to address 64.135.16.15: No route to host

Thanks for your input.  I welcome any suggestions.

Kind regards,
~Ray