nsswitch conf question

I normally force most of our clients to use a white list of sites which I enforce via a custom hosts file.  nsswitch is configured like this

hosts:  files mdns4_minimal [NOTFOUND=RETURN]

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It's been a long time since I turned dns back on - Im trying to confirm if this should do it

hosts:  files mdns4_minimal [NOTFOUND=RETURN] dns

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but I am not sure what
mdns4_minimal [NOTFOUND=RETURN]

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does exactly
XetroximynAsked:
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arnoldConnect With a Mentor Commented:
DNS should be the option before [NOTFOUND=return]
Hosts: files mdns4_minimal dns [NOTFOUND=RETURN]


Not sure which Linux distribution you are on

Mdns4 seems to be an implementation ..... For Ubuntu, ...

Though if you use DNS, you may not need mdbs4 features/functionality.
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Peter SchultzConnect With a Mentor Senior Network AdministratorCommented:
mdns is name resolution based on multicasting local networks. mdns4 is the ipv4 implementation.
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