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Forum Discussion
PS4 -> PS5 remote play detected as DOS
Since about a month I have issue with PlayStation RemotPlay connection over LAN network. The communication on port 9308 is established correctly, but then PS5 try to connect with PS4 on random port from range 49152 - 65535. This connection attempt is detected as DOS attack. Below example from logs.
[DoS attack:ACK_Scan] from source: 192.168.1.8,port 59446, Friday, January 16, 2026 18:11:01
At the end of December the Armor subscription was activated, but disabling didn't fix the issue.
Hardware: RAXE300
Firmware: V1.0.9.82_1
1 Reply
Is there Protection engine seen on the routers web page maybe?
If uPnP is enabled then yes, the first PS connected will pick up 9308. The 2nd PC connected will get a virtual port since two devices can not share same port number.
