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"First packet is Invalid (Packet not in tcp window"

jblessing
Newbie
Posts: 4
Registered: 18-01-2016

"First packet is Invalid (Packet not in tcp window"

I see multiple lines in the event log such as:

 

OUT: BLOCK [65] First packet is Invalid (Packet not in tcp window: TCP [192.168.1.77]:50483-​>[216.58.204.42]:443 on ppp3)

Odd thing is, if I switch off the device with that IP address, similar log entries occur from one of the other connected devices

Overall download speed looks fine, I am getting occasional loss of internet (but the blue light  on the onehub stays up) and the internet comes back within 30 secs or so.

Any ideas

1 REPLY
VileReynard
Seasoned Pro
Posts: 10,992
Thanks: 265
Fixes: 11
Registered: 01-09-2007

Re: "First packet is Invalid (Packet not in tcp window"