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  • DOS Attact Message or Just a Simple Query”?

    I have checked firewall alert message everyday from my organization firewall equipment, and it returns an alert message "anomaly: udp_src_session, 1001 > threshold 1000, repeated 214 times" Starting from 172.10.2.45:51158 to 210.181.1.24:53. I wanna know whether it's really infected and...

    RedJason5 pointsBadges:
  • DNS Question

    It is my understanding that DNS simply maps a domain name into an IP address.  I realize that there is a lot more involved behind the scenes and there is other functionality, and perhaps some of that will explain what I am seeing. If I enter the address http://volokh.com/ into a web browser, it...

    JPMcGrath15 pointsBadges:
  • BIND DNS – trace DNS query replying server

    [h1 class="subject">How do i know the reply was from caching-nameserver, master nameserver or slave nameserver in BIND DNS.?[/h1] Can I trace the nameserver that replied my dns query? Like I have a master nameserver, a slave nameserver and a caching nameserver in my network. Is it possible to know...

    Don201010 pointsBadges:
  • Configure BIND – How to Configure BIND to respond to a DNS Status Query message?

    I have a device which is attempting to send DNS Status Query messages (opcode=2) to my bind DNS server.  The DNS server is responding with NOTIMP.  Is there a way to configure bind to respond positively to this query?

    Bindadmin5 pointsBadges:
  • what is dns tell the steps to configure and creating reverse lookup zone

    describe the domain name service and how we can configure it , how we can creat a reverse lookup zone,forword lookup zone and stub zone,how can we moniter dns & what are the dns qurey

    54210 pointsBadges:
  • MS DNS query logging to sql server?

    Does anybody know if it is possible using 2003 server r2 dns to log querys to a sql server database instead of a file?

    Ryan99795 pointsBadges:
  • forwarder question – DNS

    Hello   As part of a systems migration to RA Airways I am required to to remove RA subdomains from our DNS (that we were formerly authoritative for) and forward them to our Untrusted DNS which then on -forwards to the RA net DNS servers for the correct (un NAT'd) resolution.   I am doing a trial...

    Richsark5 pointsBadges:
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