Bill Cole via Exim-users wrote:
> On 29 Dec 2020, at 7:38, Cyborg via Exim-users wrote:
>
> > Am 29.12.20 um 12:03 schrieb Victor Sudakov via Exim-users:
> > >
> > > > I can't imagine how to produce such
> > > > behaviour with socket API.
> > > Neither do I. Moreover, the problem began after upgrading the OS from
> > > FreeBSD 11 to 12.2-RELEASE-p1, and exim to exim-4.94_4. Maybe the OS
> > > is
> > > to blame.
> > >
> >
> > If you are on it, check if firewalld got installed and is running. It
> > has it's own firewall and some VERY illlogical settings. a "iptables -L"
> > won't help you with that.
>
> Not relevant for FreeBSD. It uses a completely different collection of
> onboard firewall tools.
Of which none are enabled on the relevant virtual hosts, because
otherwise this would probably not work either:
$ telnet 192.168.153.104 3310
Trying 192.168.153.104...
Connected to 192.168.153.104.
Escape character is '^]'.
VERSION
ClamAV 0.103.0/26032/Tue Dec 29 19:42:39 2020
Connection closed by foreign host.
$ telnet 192.168.153.104 3310
Trying 192.168.153.104...
Connected to 192.168.153.104.
Escape character is '^]'.
STREAM
PORT 30113
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
2:5005/49@fidonet
http://vas.tomsk.ru/