Network · high

How to fixDNS-REBINDING-ATTACK

DNS Cache Poisoning / Rebinding

What this error means

DNS-REBINDING-ATTACK is a high-severity network adapter problem. The web browser or DNS cache has been poisoned, causing redirects to bad websites. The usual suspects are infected router with fake DNS records, malware modifying hosts file and public WiFi hotspot with manipulated DNS. The steps below are ordered to resolve this efficiently.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Flush the DNS cache: ipconfig /flushdns

Flush the DNS cache: ipconfig /flushdns.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Check the C:\Windows\System32\drivers\etc\hosts file for suspicious entries

Check the C:\Windows\System32\drivers\etc\hosts file for suspicious entries.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Set DNS to Cloudflare (1.1.1.1) or Google (8.8.8.8)

Set DNS to Cloudflare (1.1.1.1) or Google (8.8.8.8).

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Infected router with fake DNS records
  • Malware modifying hosts file
  • Public WiFi hotspot with manipulated DNS