Site in maintenance : How to give a private access to alias subdomains too?

Site in maintenance : How to give a private access to alias subdomains too?

References

Reference NO 1

http://stackoverflow.com/questions/13651026/site-in-maintenance-how-to-give-a-private-access-to-alias-subdomains-too

Reference NO 2

http://stackoverflow.com/questions/15817783/htaccess-put-site-into-maintenance-deny-all-but-my-own-ip

Reference NO 3

https://drupal.org/project/domain

Reference NO 4

http://faq.nearlyfreespeech.net/full/addalias

Reference NO 5

https://faq.nearlyfreespeech.net/full/subdomains

Reference NO 6

http://faq.nearlyfreespeech.net/full/dns

Reference NO 7

http://wp.tutsplus.com/tutorials/using-wordpress-multisite-a-network-of-websites-at-your-fingertips/

Reference NO 8

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