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Lazy Linux: 10 Essential Tricks for Admins

Jul 23, 2008, 19:45 (0 Talkback[s])
(Other stories by Vallard Benincosa)

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"Trick 5: SSH back door
Many times I'll be at a site where I need remote support from someone who is blocked on the outside by a company firewall. Few people realize that if you can get out to the world through a firewall, then it is relatively easy to open a hole so that the world can come into you. In its crudest form, this is called "poking a hole in the firewall." I'll call it an SSH back door."

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