April 2003
Intermediate to advanced
256 pages
5h 46m
German
Content preview from DNS & BIND Kochbuch
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9.5 Das Timeout des Resolvers ändern
Problem
Sie möchten das Timeout eines Resolvers ändern.
Lösung
Verwenden Sie bei einem Resolver, der auf BIND 8.2-Code oder neuer basiert, die Direktive options timeout in resolv.conf. Das Argument der Direktive ist ein Timeout in Sekunden, der vom Schlüsselwort timeout durch einen Doppelpunkt getrennt wird. Um zum Beispiel den Anfangswert für den Timeout auf zwei Sekunden zu setzen, könnten Sie die folgende Direktive zu resolv.conf hinzufügen:
options timeout:2
Der Maximalwert ist 30 Sekunden; das Minimum ist 1 Sekunde.
Der Standard-Timeout für den ersten Durchlauf von Abfragen beträgt fünf Sekunden pro Nameserver. Nach jedem Durchlauf von Abfragen an alle in resolv.conf aufgelisteten Nameserver verdoppelt ...
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