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DVA > Security Groups > Flashcards

Security Groups Flashcards

(12 cards)

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1
Q

What does a SG control?

A

inbound and outbound traffic

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2
Q

What is the instance firewall?

A

SGs

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3
Q

What do SGs regulate?

A

Acces to ports, Authorized IP ranges (v4 and v6)

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4
Q

Can a SG be attached independently?

A

Yes, to multiple instances

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5
Q

Is a SG locked down?

A

Yes, to a region / VPC combination

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6
Q

What does an instance receive when the SG blocks the traffic?

A

Nothing, the SG lives outside the EC2

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7
Q

What SG is always good to maintain separated?

A

SSH access

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8
Q

What usually means an application time out?

A

A SG issue

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9
Q

What means a connection refused error?

A

An application error or it’s not launched

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10
Q

How is all inbound traffic treated by SGs by default?

A

blocked

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11
Q

How is all outbound traffic treated by SGs by default?

A

authorized

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12
Q

SGs can authorize other SGs?

A

Yes, it is commonly used to allow another applications

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DVA (61 decks)

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