Your Digital Media Has Never Looked So Good

 
alkeown
Topic Author
Posts: 32
Joined: Sun May 08, 2005 2:07 pm

Interesting LAN problem

Wed Mar 01, 2006 9:34 am

I recently changed from a dialup connection to VDSL with Qwest. When I look at the shared files listed on my PB, I can see folders and files from other computers in my neighborhood. I can open images and music. I called one neighbor and told him about it and he "un-shared" the files. They disappeared from my list.

Has anyone else seen this? Is this normal? My neighbor almost choked when I told him I was looking at pictures on his computer.
Al K
 
jor
Posts: 204
Joined: Sat Dec 25, 2004 7:51 pm

Wed Mar 01, 2006 11:27 am

I had heard this was typical of cable, esp in the early days. Everyone on the block would share a subnet, in every sense of the notion. It certainly simplifies the network setup, though never knew of dsl doing this.

I hope your computers are behind some sort of router, even the simple dsl/cable type. Obviously some of your neighbors aren't.
 
alkeown
Topic Author
Posts: 32
Joined: Sun May 08, 2005 2:07 pm

Wed Mar 01, 2006 9:12 pm

Thanks,

I was afraid that was the problem. I think I'm okay with my router setup. Everything from Qwest is brand new. All of the switches and the fiber feeding the switches. It would seem that such a new setup would be so archiac when it comes to security.
Al K
 
Saul
Posts: 20
Joined: Mon Jul 11, 2005 4:45 pm

Thu Mar 02, 2006 5:13 am

Have you asked your neighbor if they can see your machines? You should verify that your router is giving out a local 192.168.y.x address that is independent from Qwest's addresses.
 
dgburns
Posts: 807
Joined: Mon Jun 27, 2005 9:37 am

Sun Mar 05, 2006 12:24 am

Open up a command window in windows and run "ipconfig". If it says something like 192.168.xxx.yyy you are fairly okay. If it's something else, have your neighbor open a command window and try to "ping www.xxx.yyy.zzz", substituting the numbers from what ipconfig told you.

start...run...cmd.exe
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alkeown
Topic Author
Posts: 32
Joined: Sun May 08, 2005 2:07 pm

Fri Mar 10, 2006 11:45 am

Okay, here's what I have. Doing an 'ipconfig' shows my IP address to be: 130:WWW.XXX.YYY. I had my neighbor ping me and he had no problem seeing the 130.www.xxx.yyy. I then called another friend who pinged me from about 2 miles away. Same result.

My friend's IP address showed 192.168.xxx.yyy with his router inplace. This is what I thought mine should be. Maybe something is configured wrong with my router.
Al K
 
dgburns
Posts: 807
Joined: Mon Jun 27, 2005 9:37 am

Sat Mar 11, 2006 7:31 am

Yup, you're open to the world. Your router SHOULD be handing out private IP's (like 192.168.yyy.zzz), but it's not. Hope you have some good firewall software installed on your PC's!
HD-1500 RevB #1 (media room)

Mitsubishi WD-62528 62" LCD RPTV

Kenwood VR-407 receiver w/PSB Alpha's

PS/3 60GB (now 250GB) w/750GB Seagate ext

M1000 (upstairs)

HD-1000 RevB #2 (bedroom)

Visco 32" LCD

AR 2.1 audio system

PS/2

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