Hi all, I wanted to report a bug (at least we belieave it is one). We had a short discussion over at the archlinux bugtracker (https://bugs.archlinux.org/task/60366).
In short: > echo 'address=/ab--c.example.com/#' | dnsmasq --test -C - > dnsmasq: error at line 1 of stdin Althoug the URL is "forbidden": > host 'ab--c.example.com' > host: 'ab--c.example.com' is not a legal IDNA2008 name (string contains forbidden two hyphens pattern), use +noidnin it would be nice to be able to block it. We ended up there, since the filter list from https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts started to include these kinds of URLs. My feeling is, that parsing the two dashes somehow fails. Interestingly, adding one more character before the dashes does not trigger the bug: > echo 'address=/abb--c.example.com/#' | dnsmasq --test -C - > dnsmasq: syntax check OK. Escaping (ab\-\-c.example.com) allows dnsmasq to start, but renders the line ineffective. Do you know about this and is it intended behaviour? Regards, Tasnad
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