Does a Cisco 2811 ISR Router allow any and all traffic to come in from the outside until an access-list is applied?

Does a Cisco 2811 ISR Router allow any traffic to come in until an access-list is applied.  The Reason I'm asking is, I have a 2811 that does not have an access-list on the outside (int fa0/0) and is allowing SMTP, HTTP, etc.  I know on a Pix/ASA traffic will not come in the outside interface until an ACL is applied allowing it.  
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Crossroads305Asked:
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Don JohnstonConnect With a Mentor InstructorCommented:
>Does a Cisco 2811 ISR Router allow any traffic to come in until an access-list is applied.

Yes. Unless an ACL is applied to an interface (inbound) all traffic will be processed.
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Crossroads305Author Commented:
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