October 3, 2011EITC State1 IPv6 The Saga Continues Dave Funk EITC, October 2011.

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Presentation transcript:

October 3, 2011EITC State1 IPv6 The Saga Continues Dave Funk EITC, October 2011

October 3, 2011EITC State2 World IPv6 Day, June 8, 2011 Lessons learned

October 3, 2011EITC State3 According to: “The Register” World IPv6 Day fails to kill the Internet Publicity stunt over, now the work begins

October 3, 2011EITC State4 In for a Penny, in for a Pound Pick the services to offer then do the full kit For each interface doing v6, provide full-circle DNS

October 3, 2011EITC State5 Need things such as AAAA records in SPF/DKIM mail IN A ; IN AAAA 2620:0:e50:7016::80ff:1219 IN TXT "v=spf1 +a +ip6:2620:0:e50:7016::80ff:1219 -all" IN MX 10 mail-gw.icaen.uiowa.edu.

October 3, 2011EITC State6 Every place you have an IPv4 address, need corresponding IPv6 address Sendmail conf files Sendmail access file Samaba config files etc

October 3, 2011EITC State7 IPv6 firewall is hard to do correctly even Microsoft makes mistakes FE80::/9 isn't same as FE80::/64

October 3, 2011EITC State8 When making configs & firewalls beware of unexpected packet flows EG: global-scope -> local-scope connection: Source addr: [2620:0:e50:7016::80ff:1219] -> [fe80::2]

October 3, 2011EITC State9 Don’t SLAC servers SLAC is OK for clients but servers should have fixed dependable addresses. (even with DDNS). clients may cache server addresses and when they change will cause problems. (Altiris server issue)

October 3, 2011EITC State10 IPv6 what services? Clients infrastructure (DNS, router, etc) Any server that remote clients directly connect to Incoming mail MX (?, whole debate here)