[Samba] Low performance when using "server signing" = "mandatory"

[Rowland Penny]

On Mon, 16 Oct 2023 15:13:49 +0200
Adam Błaszczykowski via samba <samba at lists.samba.org> wrote:

> Hello,
> I'm experiencing very slow read/write performance, about 20 MB/s, on
> Samba share when I configure the "server signing" option as
> "mandatory". Once I set "server signing" to "default", the read/write
> performance returns to average speed about 800 MB/s.
> I am using Samba 4.9.4 on server with Intel Xeon CPU E5-2690 0 @
> 2.90GHz (32 threads) and 10 Gbit ethernet controller.
> I need to set "mandatory" value for security reasons, but the
> performance is unacceptable. How to solve this problem ?

Hmm, you need to set a parameter for security reasons, but you are quite
prepared to continue using a 5 year old, EOL version of Samba, a
version that quite likely contains numerous CVE's that have been
fixed in later versions ????

What OS is this on ?

Rowland