TCP Connection hang - MSS again

[Rozhuk Ivan]

On Mon, 5 Apr 2021 12:44:50 +0300
Rozhuk Ivan <rozhuk.im at gmail.com> wrote:


> FreeBSD 13 desktop have no known problems with other websites.
> Only with one remonte FreeBSD 12 with same sysctl.conf and mtu 9k.

Forgot.
FreeBSD 12 reply with MSS 8960, and I fix it in PF:
> scrub in on $ext_v4_if0 all max-mss 1400

so only https://online.sberbank.ru/CSAFront/index.do#/
time to time reply without mss option.