Can't set host name 0 (0.mydomain.com) in DNS Resolver
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 Hello, I try to set the hostname 0 (0.mydomain.com). But Pfsense ignore it. The hostname 1 (1.mydomain.com) work fine. How can I repair it? In witch php file writes "/etc/hosts"? Thank You. Snowyrain 
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 You don't mess with /etc/hosts manually. https://redmine.pfsense.org/issues/4573 
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 Fixed, see bug linked above. 
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