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authorLennart Poettering <lennart@poettering.net>2015-01-23 18:57:29 +0100
committerLennart Poettering <lennart@poettering.net>2015-01-23 19:03:07 +0100
commit36a03ca2a8952ca1acb29fbe796210c27ff71aff (patch)
treef650269a39d6fb5ac73c72404f6f0f81b2550582 /units/syslog.socket
parentc9403dced7c3eb0cc2a925c6428ca30ef8527b55 (diff)
resolved: when rereading /etc/resolv.conf, always start using first DNS server again
Previously we tried to stick to a DNS server as long as it is available. When /etc/resolv.conf changed, and the old DNS server we used was still in there we'd continue to use it, even if it was at the end of the list. With this change we'll now always start with the first DNS server in the list again. Rationale: certain network managing implementations (notably NetworkManager) when connected to a VPN place both the VPN DNS server as well as the local DNS server in /etc/resolv.conf. If we used the local one before we would thus continue to use the local one, making VPN names unresolvable. NetworkManager really should be fixed to only place the VPN DNS servers in the file, but with this commit things are at least similarly bad as they used to be...
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