BIND 10 #1942: reply from unexpected source

[BIND 10 Development]

#1942: reply from unexpected source
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            Reporter:  jreed     |                        Owner:
                Type:  defect    |                       Status:  new
            Priority:  medium    |                    Milestone:  New Tasks
           Component:  b10-auth  |                     Keywords:
           Sensitive:  0         |              Defect Severity:  High
         Sub-Project:  DNS       |  Feature Depending on Ticket:
Estimated Difficulty:  0         |          Add Hours to Ticket:  0
         Total Hours:  0         |                    Internal?:  0
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 Box had multiple IP addresses. tcpdump and dig showed the responses were
 coming back from the main interface address and not the aliases.

 I didn't originally notice even after days of running since the main IP
 (for testing) worked and the first virtual alias worked locally. The other
 two virtual inet addresses responded with the wrong (the first virtual
 address) source address. When queried from different system in local
 network, it always responded from the main IP address. (Also I didn't
 notice from different network since I ended up testing against different
 server for the anycast addresses.)

 (I recall there was some know issue related to this but couldn't find any
 ticket.)

 Maybe this is related to the periodic (but infrequent compared to amount
 of traffic) "Can't assign requested address" as seen in #1937.

 If possible, the b10-auth should check and warn if response address is
 different that than the original address.

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Ticket URL: <http://bind10.isc.org/ticket/1942>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development