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How do I tell my Macbook to not look for Shared drives?

221 Views 3 Replies Latest reply: Nov 25, 2012 9:39 AM by Bud Lengtat RSS
Bud Lengtat Level 1 Level 1 (85 points)
Currently Being Moderated
Nov 24, 2012 11:40 PM

Our internet connection has been slow at best and drops altogether frequently. I wondered if our old Base Station was to blame, so bought a $39 Belkin router yesterday. The speed improvement was instant and striking!

 

But now in Finder I see a list of Shared devices in the pane on the left that I have no idea where they are coming from, other than perhaps they are other customers of the isp we use.

 

I don't want my MacBook wasting time and energy looking for other people's computers over the internet connection, if that is what is happening. How can I tell it to stop that?

  • Camelot Level 8 Level 8 (45,670 points)

    You definitely want to fix this.

     

    Your Belkin router should be able to operate in two modes - as a bridge and as a NAT. It sounds like right now it's just bridging your ISP's connection so you are, indeed, seeing a swath of other customers in the area. By extension, they can also see you, which is why you want to fix this.

     

    Check the router's configuration and put it in NAT mode. You should be able to set it up to get a routable IP address from your ISP as well as use a separate private class network (e.g. 192.168.x.x, or 10.x.x.x) for your private network that includes your Mac and any other devices you have.

     

    NAT shouldn't have a significant impact on performance, but it does elevate the security level.

  • BobHarris Level 6 Level 6 (12,480 points)

    Follow Camelot's advice.

     

    In addition, some routers control NAT services via whether or not you enable the DHCP server in the router.  You should have it enabled.  Some routers actually have a separate control for NAT server, if yours does it should be enabled.

     

    With respect to your Mac looking for other computers with shared services, it does not work that way.  Rather the other computers broadcast their availability, and your Mac sees that.  You Mac is not polling, it is just listening.

     

    And whether or not you are broadcasting availability of services on your Mac is controlled by System Preferences -> Sharing.  If all are disabled, then you are not broadcasting anything.

     

    Regardless, you need to figure out why you are seeing other services if you do not have any in your own home.  So follow Camelot's advice.

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