Fels kning och eller kontroll
Download
1 / 12

Felsökning och / eller kontroll - PowerPoint PPT Presentation


  • 111 Views
  • Uploaded on

Felsökning och / eller kontroll. Torbjörn Eklöv. d ig. Titta i din aktuella resolver. dig soa kalmar.se kalmar.se. 409 IN SOA ns.kalmar.se. hostmaster.kalmar.se. 2012120201 3600 300 3600000 3600

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Felsökning och / eller kontroll' - jenny


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Fels kning och eller kontroll

Felsökningoch/ellerkontroll

Torbjörn Eklöv


dig

Tittai din aktuella resolver

  • dig soakalmar.sekalmar.se. 409 IN SOA ns.kalmar.se. hostmaster.kalmar.se. 2012120201 3600 300 3600000 3600

  • dig soakalmar.se @ns.kalmar.se.kalmar.se. 600 IN SOA ns.kalmar.se. hostmaster.kalmar.se. 2012120201 3600 300 3600000 3600

  • dig [email protected] 409 IN SOA ns.kalmar.se. hostmaster.kalmar.se. 2012120201 3600 300 3600000 3600

Tittai en auktoritativ NS

Titta hos Google


dig

  • dig +dnssecsoakalmar.se

  • dig +dnssecsoakalmar.se @ns.kalmar.se.

  • dig +dnssecsoakalmar.se @ns2.ipv6dns.se.


dig

Räcker till

Skapades


Dnscheck
dnscheck

  • http://dnscheck.iis.se



Https dnsviz net
https://dnsviz-net


Http dnsvis net
http://dnsvis.net


Bind rndc qyerylog
BIND - rndcqyerylog

  • tail –f /var/log/syslog

  • + recursion , - inte recursion

  • E – EDNS

  • D – DNSSEC

  • C – Checking disabled

Dec 9 14:47:32 ns3 named[21988]: 09-Dec-2012 14:47:32.288 queries: info: client 83.253.189.121#40521: query: CNU1251BYT.skola.emmaboda.se IN A-ED (109.74.6.166)

Dec 9 14:47:33 ns3 named[21988]: 09-Dec-2012 14:47:33.561 queries: info: client 79.138.0.152#42193: query: bpqnfdhlup.skola.emmaboda.seIN A-EDC (109.74.7.166)

Dec 9 14:47:40 ns3 named[21988]: 09-Dec-2012 14:47:40.064 queries: info: client 83.253.189.121#41442: query: CNU1251BYT.skola.emmaboda.se IN A +ED (109.74.6.166)

http://jpmens.net/2011/02/22/bind-querylog-know-your-flags/


Bind rndc qyerylog1
BIND - rndcqyerylog

http://www.freesoft.org/CIE/RFC/2065/40.htm


Hur anv nds min dns
Huranvänds min DNS?

  • https://github.com/dotse/packetq


Om allt havererat
Om allthavererat?

  • Gamlasignaturer – signeraom!touch zone.dbdnssec-crondnscmdservernamn /zoneresignzonename

  • “Tappatbort” nycklarTa bortochlägg till nytt DS!


ad