Hi, Thank you for the help.
> Perhaps a problem with MSS (so PMTU discovery). > Could you check if all ICMP are blocked at work ? > Is it possible you setup your iMac to use a lower mss (let's say 1200) > and try again ? I check with MTU 1200 on iMac. And the problem is solved. Things look better with only the following line in pf.conf scrub out on gif0 all max-mss 1280 I will check with MTU 1452. Cordialement, Jean-Girard Pailloncy
