Outgoing ping required in container environment (even with PersistentKeepalive)

[Roman Mamedov]

On Sun, 08 May 2022 08:34:46 +0200
Nico Schottelius <nico.schottelius at ungleich.ch> wrote:

> The connection stays correctly established.
> 
> If anyone has a pointer on what might be going on, any help is
> appreciated.

Maybe you don't have a corresponding firewall rule, and happen to rely on the
ESTABLISHED,RELATED matching instead? This could explain the "works after a
ping" behaviour. But then the PersistentKeepalive could be expected to help as
well.

-- 
With respect,
Roman