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Could it be so simple, just plug in the router and go?
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Mac Enthusiast
Join Date: Sep 2005
Location: Canada... be nice, eh?
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One of my security friends mentioned that I should buy an external router/firewall and hook it up on the other side of my airport express. I bought a Dlink DI-604 and plugged it in between my cable modem and my airport. I went back to my computer and everything was working as normal...I don't know if I need to do anything else other than turn on the router firewall. I already have my osx firewall enabled. Could it be this simple??? Is there anywhere I can test out the set up to see if it is set up properly?
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
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*queue weird double NAT problems*
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Mac Enthusiast
Join Date: Sep 2005
Location: Canada... be nice, eh?
Status:
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Quick response, but what the f*** does that mean???If I am setting myself up for some problems, maybe plain english would help...  At least if this is a bad idea, I can take the thing back.
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
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Now that I think about it again, the D-link is entirely unnecessary. The airport is a router, creates its own private address space, and has a built-in firewall. In my opinion you should return the D-link.
My previous comment regarding problems with a double NAT is that you'll have a rather difficult time connecting to the D-link to configure it, since both the D-link and the Airport Express are creating their own private 192.168.0.0/24 address space.
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Mac Enthusiast
Join Date: Sep 2005
Location: Canada... be nice, eh?
Status:
Offline
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Thanks.
I noticed that my internal IP addresses looked different. I guess as long as I have a good password on it, I should be fine. Playing around with it tonight, I noticed a firmware update. I have switched the security from WEP to WPA2 Personal, and lengthened the password. I feel a lot safer now...
(Last edited by larrinski; Apr 17, 2006 at 11:51 PM.
)
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Administrator  Join Date: Apr 2001
Location: San Antonio TX USA
Status:
Offline
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Here's how things work. When you use a router (ANY router) it performs something called "Network Address Translation," or NAT. This is how it allows you to connect a bunch of computers to a single Internet connection. Now if you connect ANOTHER router to the first one, you have "double NAT" processing, and usually connection problems.
You CAN connect your AirPort to another router, but you have to change the AirPort's settings to turn off the router functions. You do this by unchecking the "share a single IP address" box on the Network tab of the Admin Utility. A lot of people do this so they can have a number of wired computers on their network and add wireless ones as well.
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Glenn -----
OTR/L, MOT, Tx
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