On Mon, 2012-09-03 at 15:42 -0700, Kevin Oberman wrote: > On Sun, Sep 2, 2012 at 10:12 AM, Mohsen Pahlevanzadeh > <moh...@pahlevanzadeh.org> wrote: > > Dear all, > > > > I installed bind in Debian/lenny, and i run the following command on > > server: > > /////////////////////////////////////////////////////////////////////// > > root@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@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.) Would you like explain more? --mohsen
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