Daniel Jacobowitz wrote:
> Package: dnsmasq
> Version: 2.55-2
> Severity: normal
>
> I am using resolvconf and dnsmasq to handle internal DNS servers for
> our VPN. When openconnect creates the tun0 interface, it adds the
> internal nameservers using resolvconf. resolvconf modifies dnsmasq's
> configuration file, and dnsmasq rereads it. But my IRC client fails
> to reconnect to the internal server at this point, because the
> negative lookup has been cached - the IRC server's hostname is only
> valid inside the VPN.
>
> I don't see any option to make dnsmasq clear its cache when the VPN
> comes up other than restarting dnsmasq entirely. It'd be nice if I
> could make this happen automatically when dnsmasq rereads the
> resolv.conf file.
>
>From "man dnsmasq"
--clear-on-reload
Whenever /etc/resolv.conf is re-read, clear the DNS cache. This
is useful when new nameservers may have different data than that
held in cache.
Unless I've misunderstood, that's what you want. (Note that
"/etc/resolv.conf" here stands for any file that dnsmasq is reading to
get the nameservers.)
Cheers,
Simon.
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