On 2021-06-02, Cameron Simpson wrote:
> On 01Jun2021 20:43, Stuart Henderson wrote:
>>On 2021-06-01, Cameron Simpson wrote:
>>> If I had TCP keep alive turned on, both ends might tidy themselves up.
>>> I can't enable that on the clients (various mail readers) or,
>>> apparently, on the server c
On 01Jun2021 20:43, Stuart Henderson wrote:
>On 2021-06-01, Cameron Simpson wrote:
>> If I had TCP keep alive turned on, both ends might tidy themselves up.
>> I can't enable that on the clients (various mail readers) or,
>> apparently, on the server configuration. I can't do it in PF because PF
On 01Jun2021 11:04, Claudio Jeker wrote:
>Make sure you use 'block return' at least for the imap connections.
I already do:
set block-policy return
[... and the first rule ...]
# reject everything except as detailed below
block return log
>This
>way when the state is dropped th
On 01Jun2021 08:53, Dirk Coetzee wrote:
>As a first guess, I would consider changing / implementing "set
>optimization". This made massive difference on our customers satellite
>internet connection.
The customer has a terrestrial ISP connection.
I've got satellite at home, and do indeed use th
On 2021-06-01, Cameron Simpson wrote:
> If I had TCP keep alive turned on, both ends might tidy themselves up.
> I can't enable that on the clients (various mail readers) or,
> apparently, on the server configuration. I can't do it in PF because PF
> just copies packets. I can't seem to do it
On Tue, Jun 01, 2021 at 10:25:38AM +1000, Cameron Simpson wrote:
> Can I enforce or implement TCP keep alives on a TCP stream via my
> firewall?
>
> Background:
>
> I've got a client with an OpenBSD firewall and a Telstra NBN modem as
> their modem.
>
> Their IMAP server is upstream in the clo
t value is normal.
-Original Message-
From: owner-m...@openbsd.org On Behalf Of Cameron
Simpson
Sent: Tuesday, 1 June 2021 8:26 AM
To: misc@openbsd.org
Subject: pf, relayd, TCP keep alive and NAT, oh my!
Can I enforce or implement TCP keep alives on a TCP stream via my firewall?
Background:
Can I enforce or implement TCP keep alives on a TCP stream via my
firewall?
Background:
I've got a client with an OpenBSD firewall and a Telstra NBN modem as
their modem.
Their IMAP server is upstream in the cloud (Unbuntu, courier imap). I
have this odd problem which I am beginning to suspec
8 matches
Mail list logo
