resolver doesn't see resolv.conf changes

[Ulrich Spoerlein]

Hello,

when switching my laptop from LAN to a dialup connection, applications
started _before_ the switch will still try to send DNS queries to my
local DNS server. This isn't ideal, and the only workaround I've found
so far is to restart the application.

Is the resolver supposed to periodically check for updates to the
resolv.conf, or are the applications somehow caching the IP of the DNS
server?

Ulrich Spoerlein
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