Aug 2008 KRNIC of NIDA KRNIC Updates.

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Presentation transcript:

Aug 2008 KRNIC of NIDA KRNIC Updates

System improvement Internet KRNIC Member ’ s DNS KRNIC Web Server KRNIC DNS ① named.co nf add ② Reverse zone transfer PrimaryPrimarySecondaryPrimarySecondary To work as a secondary reverse DNS for small-size KRNIC members who run single reverse DNS inv2dns.nida.or.kr As of Aug. 19th ◦ used by 10 KRNIC members ◦ Runs 201 reverse zones Features ◦ Valid for 1 year ◦ Should build their own 2nd DNS within 1 year ◦ Used only for reverse DNS Secondary Reverse DNS

System improvement RMSDNSMemberStaff Request for 2 nd DNS Service Approve Request for the reverse delegation - set the 2 nd DNS as inv2dns.nida.or.kr Checking the primary DNS Update named.conf Checking the primary DNS Reload Zone transfer Seting primary DNS Secondary Reverse DNS Valid for 1 year

System improvement Members don’t know how to set primary & secondary DNS relation ◦ When KRNIC approves the request for the 2 nd DNS Service, KRNIC sends to the member a guideline for how to configure DNSes. KRNIC network operators are reluctant to add additional DNS ◦ They worry about the DDoS attack aimed to the DNS. ◦ Add Additional Leased Line (HANANET, 2Mbps) and built the DNS in separate network. Secondary Reverse DNS

System improvement XML interface for APNIC members to update their reverse DNS records XML/REST based DNS Web Service $TTL in-addr.arpa. IN NS b.dns.kr in-addr.arpa. IN NS c.dns.kr in-addr.arpa. IN NS d.dns.kr in-addr.arpa. IN NS e.dns.kr in-addr.arpa. IN NS f.dns.kr in-addr.arpa. IN NS g.dns.kr. KRNIC in-addr.arpa. IN TXT "Generated at Fri May 26 18:11: with 6 NS Records." Name : in-addr.arpa IP Version : ipv4 Authorithy : APNIC Version : 1.0 Revision : 0 Published : 0 Modified : HREF : NServer 1 : b.dns.kr NServer 2 : c.dns.kr NServer 3 : d.dns.kr NServer 4 : e.dns.kr NServer 5 : f.dns.kr NServer 6 : g.dns.kr Contact 1 : HM127-AP(technical) Contact 2 : HM127-AP(administrative) Manager : Unknown

System improvement Monitoring System for the reverse domains is needed ◦ Monitor the each DNS in the delegation path (APNIC, ARIN, KRNIC DNSes) ◦ Listen to the situation of each DNS and Reverse Domain XML/REST based DNS Web Service