Hi everybody. I have just verified that increasing filedescriptors works. The recommended value of 4096 may not be enough when you are ISP. I have 16384 now and using lsof to count open files shows nearly 10.000 open files. The amount of requests is not high about 2.000 q/sec.
Should I increase also the number of max-mthreads under these conditions (4096 now) ? Regards Ales On Thursday 06 of February 2014 20:23:53 Peter van Dijk wrote: > Hello Asif, > > to my knowledge, there is no updated RPM. In your case, please look at options 1, 2 and 3 in the blog post at http://blog.powerdns.com/2014/02/06/related-to-recent-dos-attacks-recursor- configuration-file-guidance/ > > If you do those things, you do not need a patched package. > > Kind regards, > -- > Peter van Dijk > Netherlabs Computer Consulting BV - http://www.netherlabs.nl/ > > On 06 Feb 2014, at 16:51 , Asif Murad Khan <asifmuradk...@gmail.com> wrote: > > > Hi Bert, > > > > We have use CentOS 6.4 64-bit and install pdns-recursor 3.5.3-1 from monshouwer repository. now we have not face any ddos attack problem. but we want to update it. have we get any update via repo. > > > > regards, >
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