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Problem with a DMZ for a web server

Good evening,  I have some issue on the configuration of a Cisco 2811. I try to make a DMZ on one of the ports of the router but I can not get it from outside .I configured as follows

For int fa0/1 > DMZ

interface FastEthernet0/1

ip address

ip access-group 100 in

ip access-group 100 out

ip nat inside

ip virtual-reassembly in

duplex auto

speed auto

For Dialer0

interface Dialer0

ip ddns update hostname

ip ddns update sdm_ddns1

ip address negotiated

ip nat outside

ip virtual-reassembly in

encapsulation ppp

dialer pool 1

dialer-group 1

ppp authentication chap pap callin

ppp chap hostname removed

ppp chap password 0 removed

ppp pap sent-username removed password 0 removed

no cdp enable

For the NAT translation

ip nat inside source static tcp 80 interface Dialer0 80

ip nat inside source static udp 80 interface Dialer0 80

ip nat inside source list 100 interface Dialer0 overload

For the acl

access-list 100 remark GVI

access-list 100 permit ip any

access-list 100 permit tcp any

access-list 100 permit udp any

access-list 100 permit tcp any any eq www

Ip http server is off . With a port scan on wan interface ,the port seems open. Where am I doing wrong?Can someone help me?thanks in advance

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