Model Number: VX420-G2h Problem Category: Performance of the device Hardware Version: V2 Firmware Version: 2.0.0 0.9 v603c.0 Build 220126 Rel.13161n Purchase Date: 23/10/2022 Operating System: Windows 11 (64bit) Internet Service Provider(ISP): TPG Subject: WAN connection drops while DoS Protection enabled Detailed Description of the Problem: Hi TPG, I contacted TP-Link regards to this issue, and they reply this is ISP specialized model, and they don't have support but advice me to check with you if there is a solution.  Found there is issue while enable DoS Protection together with Flood attack Filtering set to Low on ICMP, UDP, TCP. The WAN connection would drops or cause device unstable, The issue is more likely to happen while downloading files + streaming. I checked CPU is below 10% and RAM is below 50%. And I would had to reset the device to fix the WAN connection dropping issue. And without DoS enabled, there is no issue while the WAN connection. Can you please advice if there is a updated FIRMWARE to fix the issue? Thank you. ... View more