New Member
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2 Messages
How to change Broadband IPv4 Address on BGW320 to stop DDoS attacks
I am an ATT Fiber customer and I have spent over 40 hours on the phone with technicians over the last month. My Broadband Gateway IP Address has been stolen and is being DDoS'd constantly. I have purchased the extra security, I have purchased static IPs, I have purchased 2 VPNs. Nothing stops them from actually attacking the BGW320 Fiber Modem. I have unplugged the modem overnight, I have factory reset it numerous times with Techs and Level 2 Techs. I even ordered a new modem...it was setup with the same Broadband IP Address. I NEED help changing this IP address so my family and I can stop being harassed. I have DirectTV stream so when the internet is not able to be used not only do I not have internet, but we don't have TV. I have logs to show a bunch of the attacks. The technicians have not been helpful in this matter. VPNs are not useful because they are attacking the modem that sends the internet to the devices with the VPN or static IP addresses.
ATTHelp
Community Support
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232.9K Messages
2 years ago
Hey there @bowlahhh. Thanks for reaching out to us about the DDoS attacks you keep experiencing, and we'd be happy to help you.
We'd suggest setting up an AT&T Internet Static IP:
1. Launch a browser window and navigate to IP address 192.168.1.254.
2. Click Home Network > Subnets & DHCP.
3. If prompted, enter the device access code. The device access code (system password) is a 10-digit code found on the side of the RG.
4. Under Public Subnet heading, toggle the Public Subnet Enable from Off to On.
5. In the Public Gateway Address field, enter the router address of the public static block. This is the second from the last IP address in the IP block.
6. In the Subnet Mask field, enter the subnet mask.
7. In the DHCPv4 Start Address and DHCPv4 End Address fields, enter the first and last usable IP address.
8. In the Primary DHCP Pool section, click either Public or Private IPs. Do not mix these two selections.
9. Click Save.
We'll then need for you to assign it as your IP:
1. Sign in to your router/gateway using https://192.168.1.254 in your web browser.
2. Once signed into router then click 'Home Network' tab
3. Next 'IP Allocation’
4. Then click 'Allocate'
5. Then you can choose a public IP to assign to your specific device you are allocating the IP.
This will tell the router to always assign that IP to a particular device and it is not necessary to make changes to device IP settings.
Let us know if these steps help.
Robert, AT&T Community Specialist
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bowlahhh
New Member
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2 Messages
2 years ago
Setting up a static IP address only applies to devices attached to the Broadband Device. I have already went through that step with technicians. I have purchased Static IP Blocks and the extra Security through the Smart Home Manager App. The IP address that I need changed is the Broadband IPv4 address not the Device IPv4 addresses. The UDP Flood is attacking the Broadband IPv4 Address: The public IP address of your device, whether dynamically or statically assigned.
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ATTHelp
Community Support
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232.9K Messages
2 years ago
Thank you for that information, @bowlahhh!
So that we can dig a little deeper into these attacks, we'll need to continue this conversation privately. Check the Direct Message inbox in the top right corner of your screen. We'll be sending you a DM shortly and look forward to speaking with you!
Lacey, AT&T Community Specialist
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mdoubleok
1 Message
9 months ago
I am having the same issue and there is no posted resolution
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AprilJane
1 Message
4 months ago
I too have the issue.
How do you get a new Broadband IP
Note: static device IPs don’t help because that doesn’t change your public IP.
(edited)
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