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8.6

Allow SMTP traffic through ASA

Asked by Quagmire2 in Cisco PIX Firewall

I need to allow only smtp traffic through our ASA to our smtp sever behind the inside interface. I believe I have it but since I'm new to the Cisco world, I wanted to verify that I have it correct and did no inadvertently open a big hole.

Below are the commands
NAT the ext IP to IP on inside net
static (inside,outside) tcp interface smtp <internal smtp server ip> smtp netmask 255.255.255.255

ACL
access-list outside_access_in line 1 extended permit tcp any any eq smtp
access-group outside_access_in in interface outside

Thanks!

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Allow SMTP traffic through ASA

Asked by Quagmire2 in Cisco PIX Firewall

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