BIND 10 #523: tests using ports shouldn't use same ports as running

[BIND 10 Development]

#523: tests using ports shouldn't use same ports as running
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                 Reporter:  jreed    |                Owner:
                     Type:  defect   |               Status:  new
                 Priority:  major    |            Milestone:  A-Team-
                Component:           |  Sprint-20110309
  Unclassified                       |           Resolution:
                 Keywords:           |            Sensitive:  0
Estimated Number of Hours:  0.0      |  Add Hours to Ticket:  0
                Billable?:  1        |          Total Hours:  0
                Internal?:  0        |
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Comment (by vorner):

 Hello

 The mentioned test doesn't use 5300, it uses 5321 (randomly chosen number
 somewhere nearby). Is it possible you were running two tests in parallel?
 I need to use some port number, as it is testing configuration, so it must
 be told what port to configure.

 If this is a problem, I might do a heuristic ‒ bind a port without
 requesting specific one, see which one it is, close the socket and use
 that port (and hope the OS didn't give it to anybody else already).

 Should I change the default port of servers where they listen to 53? Is it
 part of this ticket as well?

 Thanks

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Ticket URL: <https://bind10.isc.org/ticket/523#comment:2>
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