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  1. #1
    Setting up a static IP address

    Member Since
    Dec 15, 2006
    Posts
    165
    Setting up a static IP address
    Hi there,

    I'm about to embark on port forwarding and setting up a static ip address.

    Can anyone tell me in plain English, not how to do this, but whether there is a bad side to it, like will it damage my system, does it leave me open to attack / viruses, will it crash my network and stop it from connecting to the internet

    plus

    Is it reversible? If it all goes horribly wrong, can I change it back to how it was and would I need to?

    Any advice on the pros and cons of static ip addresses / portforwarding would be gratefully received.

    All the best

    Shark

  2. #2
    Setting up a static IP address
    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Nederland, Texas
    Posts
    4,072
    Specs:
    13in macbook - 10.10.4
    I just did it to use Azureus. No it will not damage your system. It will not leave you open to attacks. It is reversible (as I found out the first time I did it and did it wrong )

    When you do it, print out the instructions first, could be hard to go back to the web page for them after changing some settings.
    Craig Domingue
    (\__/)
    (='.'=) This is Bunny. Copy and paste Bunny into your
    (")_(") signature to help him gain world domination

  3. #3
    Setting up a static IP address

    Member Since
    Dec 15, 2006
    Posts
    165
    Thanks Cradom, I will.

  4. #4
    Setting up a static IP address
    cazabam's Avatar
    Member Since
    Jun 06, 2006
    Posts
    1,153
    Specs:
    MacBook 2.0GHz White, 512MB RAM, 60GB HDD
    There's no danger to assigning a static IP to a machine. You don't even have to move your entire network to static IP; you can just do it for the one or two machines that need it.

    Automatic assignment of an IP is done with DHCP. Your router will have a range of IPs that it will assign via DHCP. For example, mine will allocate 10.0.0.100 to 10.0.0.254 to DHCP clients. This leaves me 10.0.0.2 to 10.0.0.99 for use as static IPs (10.0.0.1 is the router itself).

    There is nothing inherently dangerous about static IP - it's just a more manual way of doing what DHCP does for you. The worst that can happen is that you will get a problem and just change the settings back to what they were (make a note of EVERY setting you change).

  5. #5
    Setting up a static IP address
    mac57's Avatar
    Member Since
    Apr 29, 2006
    Location
    St. Somewhere
    Posts
    4,560
    Specs:
    iMac 27" 3.4 GHz, 256 GB SSD, 2 TB HDD, 8 GB RAM
    I have run my Mac both ways - static IP up until a few weeks ago, and then DHCP dynamic IPs since I took out Verizon FiOS (what a GREAT service that is!! Can you say "FAST"? <grin>). It has worked seamlessly both ways. So, it is definitely reversable - just change a few settings in the Network area of your System Preferences.
    My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
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