The router works fine for both wired and wireless connections for the first few minutes. But after a while without using it, internet connection is blocked. With blocked I mean that when i check the status of the internet connection, I find out that I am still connected with my ISP but somehow access from my browser is blocked and therefore it times out after a while. I cannot figure out after how many minutes but I think it is quite random. Idle timeouts are set to 0 seconds.
In the System Log I get the following entry:
13 August 2006 08:43:35 PM Unrecognized attempt blocked from 188.8.131.52:4660 to 184.108.40.206 TCP:139
Can you help?
What is this unrecognized attempt? Could it be that DHCP is setting the wrong IP address to my PC?
Your modem and router might have some conflicts in the IP address. Try to change the IP Address settings o f the router. Used 192.168.1.2 instead of the default 192.168.1.1. You have to access your linksys router setup. Re-start computer and router after changing the IP.
If it is a DHCP problem like mine, here's the situation:
I have a Motorola WR850G (wireless) and the problem I have is with the DHCP assignment of the DNS. I have my wireless laptop set up to automatically receive the IP address and DNS assignment from the modem. What's happening (verified via ipconfig/all from the command prompt) is that the router is correctly assigning an IP address but assigning its own address as both the default gateway (which is correct) and the DNS server address (which is incorrect). In the past, it passed on one of the two DNS addresses dynamically assigned by my ISP. Since it's giving out its own address address as the DNS I'm not getting out on the internet unless I use IP addresses in place of URLs! I can successfully connect to other PCs on my home network since the default gateway is correct, but unless I statically assign a DNS address to my PC (which is a hassle since I move around a bit) I'm essentially shut off from the internet.
While this might not be (or solve) your problem, the bottom line is, if you're TCP/IP properties on your interface are set up for assign IP address & DNS automatically instead of statically: 1) go to Start-Run and type in "cmd" - then OK to get to a command prompt, 2) type "ipconfig /all" at the command prompt and 3) check the DNS value assigned to your interface.
- If it's the same as your Default Gateway address you have the same problem I have. I haven't found the solution yet, only the work-around of statically assigning the DNS value on the PC.
The problem of internet getting shut after a while is a peculiar problem with standard Compex NP28g.
The 100% resolution to this problem is to simply upgrade the firmware which u should easily get from compex tech support in singapore.
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Re: Router blocks internet access after a while
Sorry, but i've only recently joined this site, so if its too late apologies, but most people have this problem, after internet innactivity, setting timeout to 'o' doesnt do anything on any routers ive worked with.
Search and download a little programme that constantly pings a certain site it uses itself to simulate you being active online.
It too frustrates me! :-(
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There are a few things thatcan cause you to lose wireless connection with your wireless router.1. Weak signal strength,check the signal strength on your wireless card. If it is weak move thewireless router away from brick or concrete walls and if possible locatethe wireless router higher up.2. Have you secured yourwireless router from people near your from unauthorized access? i.e. change thedefault password, setup encryption use WPA2 or WPA, change the default SSID,and turn off SSID broadcast, and for added protection, enable MAC addressfiltering which allows only the MAC address/es of your wireless card/s toconnect to your wireless router.3. You could be gettinginterference from electrical sources such as air conditioners, arc welders,washing machines etc. If so, the power supply to the wireless routers andcomputers etc should be connected to a surge protection power board, betterstill connect your computer equipment to an UPS (Uninterrupted PowerSupply). 4. Check the channels ofthe wireless routers and access points in your area and change the broadcastchannel on your wireless router to an unused channel or one that is currentlyused but has the weakest signal strength. This will minimize interferencewith your wireless router from other wireless routers and accesspoints in your area.
When connected via wireless open a command box and type "ipconfig /all" and note the DNS settings assigned to your laptop. Then do the same with the wired connection. If the wireless connections are not receiving valid DNS settings, that would explain why you won't be able to access any Web sites. You can then re-configure your router to issue the correct DNS settings as per those issued to the wired connection. You could alternatively add these DNS servers as static settings on your laptop, but its best to do it on the router and leave your laptop set to automatic.
The cable internet is not "seeing" the computer. The router is blocking it. That is why it works if you plug it into the modem directly. How to solve this is to turn everything off and unplug power to modems and routers for 3-5 minutes. Then replug in routers. Then restart computers.
That is why it worked at the computer store. Everything was shut down and restarted.
Also, sometimes it is necessary to call the ISP (for example Comcast) and have them re-send the signal. Also going to Control Panel Network Connections and choose "repair the connection" will reset the signal. Be patient it will work.
Have you check your DNS settings within your Wireless Network Adapter TCP/IP properties settings? Or it may be a proxy server or firewall settings wich may block internet access to the internet. Try testing it with your LAN cable first and see if you are able to connect to the internet using that cable from the laptop/pc to the modem. If it works using the network cable then it might be a DNS related issue on your wireless network adapter tcp/ip properties.
If you do this and post the results I can tell you how to configure the router as you do not need the domain:-
1. connect to modem with an ethernet cable, without the router 2. assuming it's windows, start --> control panel --> Network Connections --> double click on the Local Area Connection --> Click details and post ip address, subnet, default gateway and both dns servers