cache does truely in local and doesn't work in remote

[Kevin Oberman]

On Sun, Sep 2, 2012 at 10:12 AM, Mohsen Pahlevanzadeh
<mohsen at pahlevanzadeh.org> wrote:
> Dear all,
>
> I installed bind in Debian/lenny, and i run the following command on
> server:
> ///////////////////////////////////////////////////////////////////////
> root at shared:/etc/bind# dig @localhost yahoo.com
>
> ; <<>> DiG 9.7.3 <<>> @localhost yahoo.com
> ; (2 servers found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24259
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 7, ADDITIONAL: 2
>
> ;; QUESTION SECTION:
> ;yahoo.com.                     IN      A
>
> ;; ANSWER SECTION:
> yahoo.com.              3600    IN      A       72.30.38.140
> yahoo.com.              3600    IN      A       98.138.253.109
> yahoo.com.              3600    IN      A       98.139.183.24
>
> ;; AUTHORITY SECTION:
> yahoo.com.              172800  IN      NS      ns6.yahoo.com.
> yahoo.com.              172800  IN      NS      ns2.yahoo.com.
> yahoo.com.              172800  IN      NS      ns1.yahoo.com.
> yahoo.com.              172800  IN      NS      ns4.yahoo.com.
> yahoo.com.              172800  IN      NS      ns8.yahoo.com.
> yahoo.com.              172800  IN      NS      ns5.yahoo.com.
> yahoo.com.              172800  IN      NS      ns3.yahoo.com.
>
> ;; ADDITIONAL SECTION:
> ns6.yahoo.com.          172800  IN      A       202.43.223.170
> ns8.yahoo.com.          172800  IN      A       202.165.104.22
>
> ;; Query time: 136 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Sun Sep  2 17:09:03 2012
> ;; MSG SIZE  rcvd: 233
> ////////////////////////////////////////////////////////////////////////
> According to result, my bind work truly, But when i the same command on
> my machine , i get the following result:
> /////////////////////////////////////
> root at debian:/home/mohsen# dig yahoo.com @184.22.226.206
>
> ; <<>> DiG 9.8.1-P1 <<>> yahoo.com @184.22.226.206
> ;; global options: +cmd
> ;; connection timed out; no servers could be reached
>
> ////////////////////////////////
>
> What do  i set to solve it?
Two things that might be the issue:
1. Doe the BIND configuration (named.conf) enable BIND on your
external interface?
2. Does a firewall allow access to port 53/UDP?

There are other possibilities, depending on thins like you network
configuration. Make sure that you can ping the server from the remote
system. And, please do not run an open recursive server. (Don't know
that you are trying to, but it looked quite possible.)
-- 
R. Kevin Oberman, Network Engineer
E-mail: kob6558 at gmail.com