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ACL requirement on Cisco 3750

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gmail2

Programmer
Jun 15, 2005
987
IE
Hi All

Sorry, I know this is a layer 3 switch, but I figured it was probably more appropriate to the routing forum. If I configure an access list on a 3750 to allow TCP 3389 IN int VLAN99 (for example) - do I then need to allow TCP 1024->65535 out for the reply to get through ? Or is the device session aware and therefore will allow the reply to come back because it's in response to a packet that just came in ?

I know that PIX doesn't require me to open 1024->65535, but that's a firewall, not a router/L3 switch.

I've tried to google this but I'm not even 100% sure what to google ! If anybody has any pointers, that'd be great

Thanks in advance

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If you do not apply an out ACL to the SVI then it is wide open to all return traffic and everything is passed.
 
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