Some customers where i implemented SRX 300 and SRX320 models of the SRX i have strange problems with some websites. Not all of them. Just some.
When i wireshark the connection i see a lot of tcp-dup messages
Finally after adding the following line to the configuration the problem was solved
set security flow tcp-mss all-tcp mss 1400
Can anyone explain me what thit command exactly does ?
I already had an MTU of 1492 set on the wan connection
Regards,
Robbert