Match-Clients not working in DNS

2009-11-16 Thread Agarwal Vivek-RNGB36
Hi All Iam running BIND-9.3.3 on Linux Server. I have configured match-clients in the named.conf file. I added some more IPS to this and restarted the named process. The issue is its not getting updated and the new added IPs cant resolve the dns queries. Can anyone please help me Thanks in

Problema Bind 9.6.1 CentOS 5.3

2009-11-16 Thread Luiz Ricardo Olicio
Hi guys! We have some DNS servers with BIND version 9.6.1-P1 and we have some problems to resolve domain addresses. But to clear the cache (rndc-flush) they return to settle for some time. When the resolution gives error, we have the following message: ;; Connection timed out, the servers

Re: Match-Clients not working in DNS

2009-11-16 Thread Dave Sparro
On Mon, Nov 16, 2009 at 7:08 AM, Agarwal Vivek-RNGB36 rng...@motorola.com wrote: Iam running BIND-9.3.3 on Linux Server. I have configured match-clients in the named.conf file. I added some more IPS to this and restarted the named process. The issue is its not getting updated and the new added

Re: confused wiht the full resolver and stub resolver

2009-11-16 Thread Chris Buxton
On Nov 15, 2009, at 11:35 PM, aihua zhang wrote: HI, here is my understanding about the stub resolver and full resolver: stub resolver,used by client and independent name server. application will call the routine of the lwreslib(such as lwres_getrdatabyname()) and the

Re: Match-Clients not working in DNS

2009-11-16 Thread Chris Buxton
On Nov 16, 2009, at 4:08 AM, Agarwal Vivek-RNGB36 wrote: Hi All Iam running BIND-9.3.3 on Linux Server. I have configured match-clients in the named.conf file. I added some more IPS to this and restarted the named process. The issue is its not getting updated and the new added IPs cant

how to defense against ddos attack to dns?

2009-11-16 Thread MontyRee
Hello, all. I have operated some dns servers and I'm curious what should I do if ddos attck to my dns servers. So do you know how to defense against dns dddos attack like root server? Surely, various ddos attack may be occurred. My idea is.. -. filtering 53/udp traffic that the

Re: how to defense against ddos attack to dns?

2009-11-16 Thread Mark Andrews
In message blu149-w13ef74e1e2eba2fe9dd3f385...@phx.gbl, MontyRee writes: Hello, all. I have operated some dns servers and I'm curious what should I do if ddos attck to my dns servers. So do you know how to defense against dns dddos attack like root server? Surely, various ddos