On Tue, Sep 18, 2012 at 10:25:06AM +0200, Bjørn Mork wrote: > For example: > > bjorn@canardo:~$ grep localhost /etc/hosts > 127.0.0.1 localhost > ::1 ip6-localhost ip6-loopback > > bjorn@canardo:~$ host localhost > localhost has address 127.0.0.1 > localhost has IPv6 address ::1 > bjorn@canardo:~$ host ::1 > 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa domain name pointer localhost. > > This is not good... Which addresses will a service listening on > "localhost" listen too? Seems it depends on whether DNS is available or > not. Isn't that seriously buggy? Well, if you redefine localhost on your local DNS server, that's what you get… Is there an RfC that regulates localhost's definition? Kind regards Philipp Kern
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