Hi Kyle,

just a general question on your setup there...

what sort of setup do you have regarding your internet connection?

Is it a fairly typical home ADSL2+ modem with an account with an ISP? If so which one?

O are you a corporate with a Telstra or Optus router? Or something like that?

Thanks,
Ben Donohue


On 17/02/2011 1:07 PM, Kyle wrote:
 Hi Slug,

I'd be grateful if someone could show me how to interpret this tcp dump pls. It is a sample from an attempt to renew a dhcp lease and update the dns journals. But the dns jounrals are not being updated, apparently due to the error "not authorized". I just don't understand why not.

If I'm reading correctly, it is saying that the dhcp server IS attempting to update dns, but is failing for whatever reason? Is this correct? Or......

------------------------------------------------------------------------

2011-02-17 12:36:08.873160 IP 192.168.1.6.ssh > 192.168.1.100.52913: P 3763443825:3763444017(192) ack 1990205104 win 15048 2011-02-17 12:36:08.873441 IP 192.168.1.100.52913 > 192.168.1.6.ssh: . ack 3763444017 win 65535 2011-02-17 12:36:08.873688 IP 192.168.1.6.53310 > 192.168.1.6.domain: 65000+ PTR? 100.10.168.192.in-addr.arpa. (45) 2011-02-17 12:36:08.873854 IP 192.168.1.6.domain > 192.168.1.6.53310: 65000 NXDomain 0/1/0 (122) 2011-02-17 12:36:08.873990 IP 192.168.1.6.49224 > 192.168.1.6.domain: 4103+ PTR? 6.10.168.192.in-addr.arpa. (43) 2011-02-17 12:36:08.874086 IP 192.168.1.6.domain > 192.168.1.6.49224: 4103 NXDomain 0/1/0 (120) 2011-02-17 12:36:10.852268 IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from 00:1f:5b:f5:ec:e2 (oui Unknown), length: 300
2011-02-17 12:36:10.852471 arp who-has 192.168.1.100 tell 192.168.1.100
2011-02-17 12:36:10.852506 IP 192.168.1.6.18142 > 192.168.1.6.domain: 46943+ PTR? 255.255.255.255.in-addr.arpa. (46) 2011-02-17 12:36:10.852513 IP server3.domain1.com.37265 > server3.domain1.com.domain: 46789 update [1a] [2n] [1au] SOA? domain1.com. (192) 2011-02-17 12:36:10.852733 IP 192.168.1.6.domain > 192.168.1.6.18142: 46943 NXDomain* 0/1/0 (97) 2011-02-17 12:36:10.852858 IP server3.domain1.com.domain > server3.domain1.com.37265: 46789 update NotAuth [0q] 0/0/1 (93) 2011-02-17 12:36:10.852905 IP 192.168.1.6.40827 > 192.168.1.6.domain: 65149+ PTR? 0.0.0.0.in-addr.arpa. (38) 2011-02-17 12:36:10.853056 IP 192.168.1.6.domain > 192.168.1.6.40827: 65149 NXDomain* 0/1/0 (89) 2011-02-17 12:36:10.853093 Out <XX:XX:XX:XX:XX:XX> (oui Unknown) ethertype Unknown (0x0003), length 344:
<removed hex table>
2011-02-17 12:36:11.720982 arp who-has server1.domain1.com tell 192.168.1.100 2011-02-17 12:36:11.854661 arp who-has server1.domain1.com tell 192.168.1.100
2011-02-17 12:36:16.032102 arp who-has 192.168.1.6 tell 192.168.1.100
2011-02-17 12:36:16.032116 arp reply 192.168.1.6 is-at <XX:XX:XX:XX:XX:XX> (oui Unknown) 2011-02-17 12:36:16.032329 IP 192.168.1.100.52913 > 192.168.1.6.ssh: P 1990205104:1990205152(48) ack 3763444017 win 65535



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