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auth.log bash rDNS
Posted by Anonymous on Fri 9th Nov 2012 14:15
raw | new post

  1. grep Failed /var/log/auth.log|grep -v pronto|sed 's/.*from //;s/ port.*//'|sort -u|while read host
  2. do
  3.         host "$host"
  4. done
  5. Host 196.108.80.114.in-addr.arpa not found: 2(SERVFAIL)
  6. Host 71.102.207.124.in-addr.arpa not found: 2(SERVFAIL)
  7. Host 192.190.210.125.in-addr.arpa. not found: 3(NXDOMAIN)
  8. Host 248.196.211.125.in-addr.arpa. not found: 3(NXDOMAIN)
  9. 218.15.28.176.in-addr.arpa domain name pointer lvps176-28-15-218.dedicated.hosteurope.de.
  10. Host 242.15.120.187.in-addr.arpa. not found: 3(NXDOMAIN)
  11. Host 253.109.15.198.in-addr.arpa. not found: 3(NXDOMAIN)
  12. Host 179.115.27.198.in-addr.arpa not found: 2(SERVFAIL)
  13. 8.197.61.198.in-addr.arpa domain name pointer 198-61-197-8.static.cloud-ips.com.
  14. Host 159.203.61.198.in-addr.arpa. not found: 3(NXDOMAIN)
  15. Host 60.82.71.198.in-addr.arpa. not found: 3(NXDOMAIN)
  16. 178.230.241.201.in-addr.arpa domain name pointer pc-178-230-241-201.cm.vtr.net.
  17. Host 66.2.62.42.in-addr.arpa not found: 2(SERVFAIL)
  18. 82.179.79.4.in-addr.arpa domain name pointer scanning-service-4.nessus.org.
  19. Host 61.226.49.64.in-addr.arpa. not found: 3(NXDOMAIN)
  20. 38.96.111.78.in-addr.arpa domain name pointer fire3.methosting.com.
  21. 7.138.17.85.in-addr.arpa domain name pointer hosted-by.leaseweb.com.
  22. Host 72.129.211.95.in-addr.arpa. not found: 3(NXDOMAIN)

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