Re: Is my BIND Server's Cache Poisioned ?

2005-06-30 Thread Fergie (Paul Ferguson)
Maybe Congress uncovered that mystery in their IPv6 hearings. ;-) http://www.techweb.com/wire/ebiz/164903883 - ferg -- "william(at)elan.net" <[EMAIL PROTECTED]> wrote: On Thu, 30 Jun 2005, Mark Andrews wrote: > No. These are just a mis-configured zones. > > hangzhou.gov.cn onl

Re: Is my BIND Server's Cache Poisioned ?

2005-06-30 Thread Suresh Ramasubramanian
On 30/06/05, Joe Shen <[EMAIL PROTECTED]> wrote: > > I've run BIND9 cache server with -4 option. Is there > any way to make BIND9 fault tolerant? > It is pretty tolerant of its own faults. But in this case it is simply following the dns spec. You could say it is not tolerant of other people's

Re: Is my BIND Server's Cache Poisioned ?

2005-06-30 Thread Joe Shen
Hi, thanks for the help. > > Because IPv6 aware nameservers make queries > for the > IPv6 addresses of the nameservers and as a result > see the > NXDOMAIN / CNAME. The IPv4 only nameservers don't > make > these queries, as a matter of practice, and only > see the

Re: Is my BIND Server's Cache Poisioned ?

2005-06-29 Thread Mark Andrews
> i > On Thu, 30 Jun 2005, Mark Andrews wrote: > > > No. These are just a mis-configured zones. > > > > hangzhou.gov.cn only has glue records for the nameservers. > > zpepc.com.cn has CNAMEs for the nameservers. > > > > Both of these misconfigurations are visible to nameservers

Re: Is my BIND Server's Cache Poisioned ?

2005-06-29 Thread william(at)elan.net
i On Thu, 30 Jun 2005, Mark Andrews wrote: No. These are just a mis-configured zones. hangzhou.gov.cn only has glue records for the nameservers. zpepc.com.cn has CNAMEs for the nameservers. Both of these misconfigurations are visible to nameservers tha

Re: Is my BIND Server's Cache Poisioned ?

2005-06-29 Thread Mark Andrews
> Hi, > > I met a strange problem with my cache server, which > runs BIND9.3.1. > > In past days, our customers complaint that three > domain names (www.hangzhou.gov.cn, www.zpepc.com.cn) > could not be resolved frequently. I checked on the > cache server and found, when the cache server could

Is my BIND Server's Cache Poisioned ?

2005-06-29 Thread Joe Shen
Hi, I met a strange problem with my cache server, which runs BIND9.3.1. In past days, our customers complaint that three domain names (www.hangzhou.gov.cn, www.zpepc.com.cn) could not be resolved frequently. I checked on the cache server and found, when the cache server could not resolve www.han