Which way is "in" for access-group

Answered Question
Mar 2nd, 2010

Hi,

I've got the following on my pix:

access-group inside in interface inside

Which way is "in". If I imagine myself sitting inside the pix and looking out of the port, which way should I consider "in", especially related to traffic, let's say coming from the inside network going to a dmz.

Thanks

Dan

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Correct Answer by Jon Marshall about 6 years 9 months ago

dan_track wrote:

Hi,

I've got the following on my pix:

access-group inside in interface inside

Which way is "in". If I imagine myself sitting inside the pix and looking out of the port, which way should I consider "in", especially related to traffic, let's say coming from the inside network going to a dmz.

Thanks

Dan

Dan

In is traffic arriving on that interface coming to the pix. So if you were sitting inside the pix the above would be for traffic coming from the inside and entering the inside interface - coming to you basically.

Out is traffic leaving the interface and going away from you.

Jon

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Correct Answer
Jon Marshall Tue, 03/02/2010 - 08:34

dan_track wrote:

Hi,

I've got the following on my pix:

access-group inside in interface inside

Which way is "in". If I imagine myself sitting inside the pix and looking out of the port, which way should I consider "in", especially related to traffic, let's say coming from the inside network going to a dmz.

Thanks

Dan

Dan

In is traffic arriving on that interface coming to the pix. So if you were sitting inside the pix the above would be for traffic coming from the inside and entering the inside interface - coming to you basically.

Out is traffic leaving the interface and going away from you.

Jon

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