Can not port forward to web server

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    My cisco 1760 router with WIC-1ADSL card and IOS 12.3 has fast ethernet address and a dynamic global IP address. A server on the LAN with the Apache webserver has address and has the dyndns updater installed and it works fine. I have the IOS running config as below with NAT and port address translation PAT to the webserver with address and tcp port 80, but from the Internet, the dyndns host name does not resolve to this page. Is there a mistake in the config?


    version 12.3
    no service pad
    service timestamps debug datetime msec
    service timestamps log datetime msec
    no service password-encryption
    hostname c1760
    enable password xxxx
    mmi polling-interval 60
    no mmi auto-configure
    no mmi pvc
    mmi snmp-timeout 180
    no aaa new-model
    ip subnet-zero
    ip cef
    ip dhcp excluded-address
    ip dhcp excluded-address
    ip dhcp pool dsl1
    ip name-server
    ip name-server
    no ftp-server write-enable
    interface ATM0/0
    no ip address
    load-interval 30
    no atm ilmi-keepalive
    dsl operating-mode auto
    pvc 8/35
    encapsulation aal5mux ppp dialer
    dialer pool-member 1
    interface FastEthernet0/0
    ip address
    ip nat inside
    speed auto
    interface Dialer0
    ip address negotiated
    ip nat outside
    encapsulation ppp
    dialer pool 1
    dialer-group 1
    ppp authentication chap callin
    ppp chap hostname [email protected]
    ppp chap password xxxxxx
    ip classless
    ip route Dialer0
    no ip http server
    ip nat inside source list 1 interface Dialer0 overload
    ip nat inside source static tcp 80 interface Dialer0 80
    access-list 1 permit any
    dialer-list 1 protocol ip permit
    line con 0
    line aux 0
    line vty 0 4

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