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Roommate snooping?


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#1 Synjn

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Posted 13 December 2010 - 06:40 AM

I'm not expert so bear with me. I'nm noticeing a bit of strange behavior with our internet lately. Downloads slow to a crawl. Trying to stream and video becomes choppy and unwatchable. Strange logs within the router. I was hoping someone could help me make sense of things.

I am running XP pro on 2 computers plugged into a linksys WRT54GS wireless router.
From the linksys I am plugged into his D-link DI-614+
From the Dlink he is plugged into a cable modem

I have access to both routers

looking at the Dlink log (his), every 30 sec about, is a message "Drop TCP packet from WAN"
Also, I see the mac address to my computer under the dhcp tab under both Static and dynamic client list assigned 192.168.0.103 which is not a linksys address. I am a bit confused.
I just want my router and computer network to be seperate from his router and his network.
I know i'm probably not giving the proper info, "show me the way gentleman."

Thankx in advance

Edit: Moved topic from AntiVirus, Firewall and Privacy Products and Protection Methods to the more appropriate forum. ~ Animal

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#2 MrBruce1959

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Posted 13 December 2010 - 06:40 PM

Suggestion.

Split the signal coming from the modem to go to each router.

Change the password to the router.

Block access by NOT allowing file sharing over a network connection on YOUR computer.

Do not share printers.

Do not have remote assistance enabled.

Use a firewall to block intrusions from your friends computer.

As for slow or crawling web activity, if your friend is streaming videos off of YouTube or something similar, this is going to slow the whole network down regardless of what you do, because you are both sharing the same allocated band-width from the cable provider.

Bruce.

Edited by MrBruce1959, 13 December 2010 - 06:42 PM.

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#3 Synjn

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Posted 18 December 2010 - 04:53 AM

Suggestion.

Split the signal coming from the modem to go to each router.
How exactly would i do this? You mean physically, with a switch perhaps?

Change the password to the router.
Done! He does not have accesss to my linksys router.

Block access by NOT allowing file sharing over a network connection on YOUR computer.
Well I have 2 computers connectedto my linksys and would like to be able to share files between them.

Do not share printers.
Done! My printer connected to one of my computers is not shared.

Do not have remote assistance enabled.
Done! remote assistance is disabled under "services."

Use a firewall to block intrusions from your friends computer.
I am using zone alarm. I dont know if it is configured correct though.

As for slow or crawling web activity, if your friend is streaming videos off of YouTube or something similar, this is going to slow the whole network down regardless of what you do, because you are both sharing the same allocated band-width from the cable provider.
I suspect he is running some kind of server to sniff packets and monitor my web activity and who knows what else. This intrusion of privacy of various types, is what i'm trying to prevent. I don't suspect, YET at least, that he is browsing through my personal folders and files.
Bruce.


C:\Documents and Settings\Jengo>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : morpheus
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : socal.rr.com

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : socal.rr.com
Description . . . . . . . . . . . : NVIDIA nForce MCP Networking Control
ler
Physical Address. . . . . . . . . : 00-30-1B-XX-XX-XX (text audit)
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.2.100
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.2.1
DHCP Server . . . . . . . . . . . : 192.168.2.1
DNS Servers . . . . . . . . . . . : 192.168.0.1
Lease Obtained. . . . . . . . . . : Thursday, December 16, 2010 8:03:05
PM
Lease Expires . . . . . . . . . . : Friday, December 17, 2010 8:03:05 PM

#4 MrBruce1959

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Posted 18 December 2010 - 11:21 AM

Using a switch is possible, however last time I tried using a switch on a network, it did not allow both connections to work at the same time do to the fact that the switch does not assign separate IP addresses for either connection, it seemed to only switch on one port while switching off the others. Therefore the switch only allows one or the other resource to connect at one time, but not both or all at the same time.

A network splitter is the best option.

Here is a Google link to these cheap inexpensive items.

http://www.google.com/products/catalog?hl=en&q=network+cable+splitter&revid=1062652329&wrapid=tlif12926887124771&um=1&ie=UTF-8&cid=8139205010529662427&ei=Y90MTeeLAsH78AbToJnZDQ&sa=X&oi=product_catalog_result&ct=result&resnum=1&ved=0CB4Q8wIwAA#

Use your routers firmware to secure your network from his, but allowing your resources to share resources inside your network.
You can do this by blocking his computer MAC address in the router's setup utility by using the BLOCKING feature menu found in a menu called BLOCKING.
This feature was originally implimented to block certain web sites when parents do not want their children to visit certain porn sites or the like, but can also be used to block another computer's IP address or MAC address.

Bruce.

Edited by MrBruce1959, 18 December 2010 - 11:25 AM.

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