Re: [CentOS] BIND server getting DDOS

2022-08-03 Thread Gordon Messmer
On 8/3/22 11:08, Mark Milhollan wrote: Usually that's someone hoping to use you in a reflection attack Doesn't a reflection attack require the reflecting server to answer queries?  I'd think that the server logging that the query was denied would indicate that it is not vulnerable to that

Re: [CentOS] BIND server getting DDOS

2022-08-03 Thread Phil Perry
On 03/08/2022 19:08, Mark Milhollan wrote: On Tue, 2 Aug 2022, Robert Moskowitz wrote: I just, maybe, figured out why I have been having problems with my CentOS DNS server with BIND 9.11.4. Aug  2 15:47:19 onlo named[6155]: client @0xaa3cad80 114.29.194.4#11205 (.):  view external: query

Re: [CentOS] BIND server getting DDOS

2022-08-03 Thread Mark Milhollan
On Tue, 2 Aug 2022, Robert Moskowitz wrote: I just, maybe, figured out why I have been having problems with my CentOS DNS server with BIND 9.11.4. Aug  2 15:47:19 onlo named[6155]: client @0xaa3cad80 114.29.194.4#11205 (.): view external: query (cache) './A/IN' denied Aug  2 15:47:19 onlo