I'm assuming you mean "it kills my ability to browse TO THE WAN IP using a 
device on the inside of my network."  If that is accurate, see here:

http://wiki.mikrotik.com/wiki/Hairpin_NAT

If you mean "it kills my ability to browse TO THE LAN IP using a device on the 
inside of my network," Joshs advice has already hit the target.

On Jun 7, 2014, at 1:15 PM, Casey Mills <[email protected]> wrote:

> I was pretty big into Mikrotik in years past, but haven't been active in
> some time.
> 
> I just picked up a RB2011 and want to forward ports 80, 443, and 50500 for
> my network storage device.  When I dstnat those ports below it kills my
> ability to browse using a device on the inside of my network.  This has to
> be something simple, please help.
> 
> I'm not sure how traffic originating from the outside and destined for my
> network storage is treated.  Ideally it should be handled by the forward
> chain, but it will have a destination IP of the WAN side of the router.  So
> that makes me think imput chain.
> 
> 
> /ip firewall filter
> add chain=input protocol=icmp
> add chain=input connection-state=established
> add chain=input connection-state=related
> add action=drop chain=input in-interface=ether1-gateway
> add chain=forward connection-state=established
> add chain=forward connection-state=related
> add action=drop chain=forward connection-state=invalid
> 
> 
> /ip firewall nat
> add action=masquerade chain=srcnat out-interface=ether1-gateway
> to-addresses=0.0.0.0
> add action=dst-nat chain=dstnat comment=Foscam-1 dst-port=8080 protocol=tcp
> to-addresses=192.168.55.200 to-ports=8080
> add action=dst-nat chain=dstnat comment=Foscam-2 dst-port=8081 protocol=tcp
> to-addresses=192.168.55.201 to-ports=8081
> add action=dst-nat chain=dstnat comment=IX2 disabled=yes
> dst-address-type="" dst-port=80 protocol=tcp to-addresses=192.168.55.54
> to-ports=80
> add action=dst-nat chain=dstnat comment=IX2 disabled=yes
> dst-address-type="" dst-port=443 protocol=tcp to-addresses=192.168.55.54
> to-ports=443
> add action=dst-nat chain=dstnat comment=IX2 disabled=yes dst-port=50500
> protocol=tcp to-addresses=192.168.55.54 to-ports=50500
> add action=dst-nat chain=dstnat comment=Casey7-RDP dst-port=3389
> protocol=tcp to-addresses=192.168.55.52 to-ports=3389
> add action=dst-nat chain=dstnat comment=HTPC7-Plex dst-port=32400
> protocol=tcp to-addresses=192.168.55.50 to-ports=32400
> add action=dst-nat chain=dstnat comment=HTPC7-CetonApp dst-port=5832
> protocol=tcp to-addresses=192.168.55.50 to-ports=5832
> 
> 
> Thanks,
> Casey
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