How to prevent Port Scanner Attacks on Wi Fi Modem
We have had our Belkin Wi Fi router for some time now and every so often I check the Securety Log. I usualy just see our computers logging in. But now I see many Port Scanner attacks. We belive that someone is hacking our computer system. The only sort of internet protection we have is Windows Firewall and AVG Free. Apparently, this is not enough. If someone could give me some advice on how to prevent Port Scanner attacks. We have fears that someone is trying to plant viruses in our computers, someone may be using our internet connection for ilicet practices and that someone may be trying to use our internet usage. If anyone could help I would be very greatful. Thank you in advance.
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Re: How to prevent Port Scanner Attacks on Wi Fi Modem
Withouth knowing the exact model I dont have specifics, but the scanner attacks can usuually be prevented or at least minimzed by a setting in the router that prevents pinging. Some models are better at this than others. Is the unit setup with a passkey? and if so do you know the method?
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Does the non wifi modem give out DHCP addresses?
Can the wifi modem be set up to receive it's IP address from DHCP?
If the answer to both these questions is Yes then that's what to do as a first step. Make sure the wifi modem DHCP service is disabled as it must NOT give out DHCP addresses.
Connect the ethernet port of the non wifi modem to one of the LAN ports of the wifi modem and NOT the DSL/WAN port. The wifi modem is not participating in any DSL connectivity at all so it's DSL light will remain off. The non wifi modem is doing the DSL duty so it's DSL light should be correctly illuminated.
Step one turn on PC directly connected to ModemsbSB6121 without Wi FI router being involved. Step two go to Command prompt type in ipconfig (press enter) Step three note IP address of default gateway and ip address issued to P.C.
Step four type in default gateway address into browser and log into Modem. Step five look for DHCP Server and allocate IP addresses from at least 50 for example 192.168.0.50 starting ip lease ending ip lease 192.168.0.254
Step six connect Wi Router to P.C. via ethernet cable only - remove ModemSB6121
Step Seven shutdown and restart p.c
Step Eight go to Command prompt type in ipconfig (press enter) Step Nine note IP address of default gateway and ip address issued to P.C. Step Ten type in default gateway address into browser and log into Wi Fi Router
Step Eleven Change IP address on Router to 2 as example 192.168.0.2. (it has to match in that modem device would have been 192,168.0.1)
(if it was 10.0.0.1 make wi fi 10.0.0.2 make sure subnet mask is the same like 255.255.255.0) Step twelve Change DHCP Server to off Step Thirteen may need to set default gateway to MODEM IP address for example 192.168.0.1 Step Fourteen plug modem router into Wi Fi router may need to plug into WAN port on WI FI router . Step Fifteen shutdown and Restart Computer Step Sixteen go to Command prompt type in ipconfig (press enter) Step Seventeen type in PING 192.168.0.1 (if this is modem IP address and default gateway IP addess)
All this above is to avoid IP address conflicts or mismatching
Subnet mask should be 255.255.255.0
either it uses 192.168.0.1 or it uses 10.0.0.1 make sure Wi FI router is set to different address to Modem Router.
I suspect either a clash occurs or your P.C gets a different IP range from ther WI FI DHCP server.
Happy troubleshooting !
You are trying to connect to a modem, not a router, the router, a wi-fi version, is what you are connecting to your network.
First, power off all equipment, computer and modem, use the network cable you have connected to your computer from this modem and disconnect from the computer, connect it to the differently colored port on one end of the Belkin, the others have numbers, connect a network cable from one of the numbered ports to the computer.
Now power on the RCA modem, wait until lights are steady, then turn on the new Belkin router, wait until lights are active, just a few moments, then power on your computer, you should now have internet access and be able to locate the manual from the Belkin's website to further your setting up a passphrase or setting up some security on your wi-fi.
can you connect screen I see in right side of your photo to vga output on laptop and use FN + F5 to switch windows output to secondary VGA device. IPad should connect to Wi Fi but not to Laptop.
Is the router wi fi if it is not plug laptop into ethernet port via cat5 ethernet cable . Do you have a DSL modem you need one to hook up DSL and then Ethernet cable to Router. Also DSL filters are needed on Phones or faxes .
Wi-Fi routers usually have the ability for the user to restrict the hours of Internet access(most of the time used for unruly teenagers).Log into the router(the IP address might be 192.168.1.1,if not it is probably on the router somewhere).Then locate "admininstration" or something like that to look at the access time settings.
Hi, 1.Connect a Cat5 cable into the Ethernet port on the back of your cable or DSL modem. Plug the other end of the cable into the "Connect to Modem Internet/WAN" port on the back of the Belkin Router. 2.Connect a Cat5 cable into the "Ethernet" port on the back of any desktop or stationary computers and then plug the other end of the cable into one of the LAN ports on the back of the Belkin Router. Start with port one and work your way up with subsequent computer connections. 3.Turn the Belkin Router on by plugging the router into a power outlet. Allow 30 seconds for the router to fully boot up. All computers tethered to the modem via a Cat5 cable have access to the Internet. 4.Open the Wi-Fi Wizard on your laptop and turn on the Wi-Fi antenna. Once turned on, the Wizard finds all network connections in your area. Connect to your network to establish an Internet connection. Complete this step for each computer not tethered to the Belkin Router with a Cat5 cable.
type user name as "admin" and password as "admin" or blank or "password"
then go to dhcp then enable dhcp. Also check wireless is enabled.
If you want to secure your wi fi thne configure your router as WEP in WAN settings then add wep key it is your password to connect wi fi.
Then save settings and restart the router.
Let me know if you need more assistanse. Thanks.