susandennis: (Default)
[personal profile] susandennis
I don't do this much - address any audience I might have - but I am pretty sure I have several people who read this regularly who know networky stuff and might be willing to share some info.

1. My webcam has two ip addresses, the internal (192.168.x.xxx) one and the public one. The setup I had with the old router was that when using a computer on my own network, I could NOT see the cam via the public ip and had to use the internal ip to see it.

I set it up the same way (I thought) with the new router but now I can see the cam via either the internal ip or the public one.

Did I set it up wrong before? or this time? or is all fine and I should worry about something else?

2. Since windows first made me chose networks on my computers, I've always picked Public. I don't know why. I always have and it's always worked. One time a Comcast guy was here to fix a problem and he had a shit fit that I was using Public instead of Home or Work.

Is this really an issue? I've been doing it this way for years and would never even have thought about it had he not made such a deal out of it. Since I'm resetting everything up again should I reset this? What ramifications does my changing from Public to Home have?

3. Ok, now I am totally stumped. I went to the router and set up security and set up a passphrase/key thing and locked down the wireless. Then I went to my netbook prepared to enter said passphrase/key thing and it wants a Userid/password. What the fuck is that about??? I tried using the computer name with the computer password, the computer name with the passphrase/key thing, the passphrase/key thing by itself. Nothing. THIS is why I've had an open network all these years! GRRRR What the hell is windows wanting so I can access the damn network?? Apparently, I fucked up the setting on the router. Fixed now. doh.

(no subject)

Date: 2012-01-21 09:25 pm (UTC)
From: [identity profile] timbear.livejournal.com
1) Don't worry - the old router didn't do "NAT Loopback", the new one does.
2) If you select "Public" the Windows firewall disables certain things like file-sharing. If there's just you and just one computer, forget it. It's a safe default setting.

(no subject)

Date: 2012-01-22 12:53 am (UTC)
From: [identity profile] johnpalmer.livejournal.com
Nod. The way to think about "public" is, public is like "I'm in a coffee shop". So, Windows says "Oh, so, you don't want someone to snoop on you."

If you say "workplace" or "home" windows says "So, you trust everyone who has access - or, they have physical access, so if you can't trust them you're ... uh, in big trouble."

(no subject)

Date: 2012-01-21 09:53 pm (UTC)
From: [identity profile] rainbow-goddess.livejournal.com
1) Depends on the router
2) Has something to do with the firewall, but is not a problem if you don't have multiple computers on the network. Monster says "Comcast guy should mind his own business."

(no subject)

Date: 2012-01-22 12:03 pm (UTC)
howeird: (Weird Load)
From: [personal profile] howeird
My 2 cents on the Windows - Home is a better setting for you, as long as you have Norton's or McAfee or some reasonable facsimile thereof. As has been noted, Home won't prevent you from sharing inside your network.

As for the webcam, your setup is not wrong, but I use a different one. Instead of going with the standard port and the internal IP address, I set up non-standard port numbers for the address Comcast assigns my router, and staple them to the internal IP of the webcams.

On the D-link router admin pages, this is under Advanced/Virtual Server and an example:

webcam1 is assigned to public port 9090, Protocol is set to TCP and scheduled for "always on". (This port belongs to the IP of the router).
Its private port is 81, IP 192.168.xxx.111. Inbound filter is set to "allow all"

If Comcast has assigned my router IP address 24.130.xxx.xxx then from outside my network, http://24.130.xxx.xxx:9090 will show my webcam.
From inside my network, http://192.168.xxx.111:81 gets the webcam.

The schedule feature lets me limit the port's hours of operation, so say if I didn't want people looking at bedroomcam at night, I could set it for daytime only. The inbound filter has two choices - allow all and deny all, so you can turn off access from the outside world if you want.

IRL I have two public webcams, "furcam" at http://24.130.58.86:9696 and "foodcam" at http://24.130.58.86:8080 both have logins of guest/guest.



(no subject)

Date: 2012-01-22 06:36 pm (UTC)
howeird: (localhost)
From: [personal profile] howeird
You're welcome!

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Susan Dennis

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