Gönderim Listesi ecs-isp@2rosenthals.com Ar?vli ?leti #737

Gönderen: "Peter Moylan" <ecs-isp@2rosenthals.com> Tam Ba?l?klar
Çözülmemi? ?leti
Konu: Re: [eCS-ISP] Bind 9.11.37 issue - ticket #784 - update
Tarih: Mon, 20 May 2024 09:20:17 +1000
Alacak: eCS ISP Mailing List <ecs-isp@2rosenthals.com>, Weasel Mailing List <weasel-list@os2voice.org>

On 17/05/24 15:04, Steven Levine wrote:
In <list-9676816@2rosenthals.com>, on 05/17/24 at 10:02 AM, "Peter
Moylan" <ecs-isp@2rosenthals.com> said:

Hi Peter,

I just used a text editor to modify inetcfg.ini. (It's a plain
text file, not an INI file.) Is there anything wrong with doing it
that way?

Editing by hand is OK, as long as you don't make a typo.  The file
format is typical unix style tab separated fields.

You will need to

inetcfg -s all

to activate your changes.  When you reboot this is done by code in
\tcpip\bin\b4tcp.cmd.

Thanks. I did that last command just now. I had intended to wait for the
reboot, but I didn't get a "server hang" until today. (Couldn't fetch
mail, but luckily I could contact VNC server.) When I did a "netstat -s"
I found a large number of sockets in a CLOSE_WAIT condition, mostly on
port 22. Then I looked at SFTPServer (which uses port 22), and saw that
it was stuck in a "too many users" condition.

So the problem was with SFTPServer, not with Weasel and not with bind.
Not too surprising, since I already knew that I was getting lots of
attacks on SFTPServer, obviously people trying to break in to SSH.

When I killed and restarted SFTPServer, the mail started flowing again.

--
Peter Moylan                         http://www.pmoylan.org

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