We use fail2ban also. It's good for automatically updating the Linux
firewall based on the system logs. However, if you just want to block
one port for everyone you can do it yourself with one firewall rule.
For instance, if you have a database server that should only be accessed
by systems o
We already have thousands of fw rules by fail2ban :)
On 2024-06-10 10:44, Jerry Stuckle via dovecot wrote:
If you don't want to accept any requests on port 143, can't you use the
Linux firewall to reject them? That's what we do and it works well.
Jerry
If you don't want to accept any requests on port 143, can't you use the
Linux firewall to reject them? That's what we do and it works well.
Jerry
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that's great. now i have port 143 disabled.
# netstat -ntlp|grep dovecot
tcp0 0 0.0.0.0:993 0.0.0.0:*
LISTEN 44800/dovecot
tcp6 0 0 :::993
Thanks for the kind info.
regards.
I would say documented way of disabling a service listener.
Aki
On 09/06
I would say documented way of disabling a service listener.
Aki
> On 09/06/2024 09:49 EEST Jeff Peng via dovecot wrote:
>
>
> setting port to zero, is it just a trick in dovecot? thank you.
>
>
> > In other words set the port to zero. I only have port 993 listening.
> __
setting port to zero, is it just a trick in dovecot? thank you.
In other words set the port to zero. I only have port 993 listening.
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> On 9 Jun 2024, at 00:21, Jeff Peng via dovecot wrote:
>
>
> But this doesn't close the port 143.
> So I have changed it to:
>
> service imap-login {
> inet_listener imap {
>address = 127.0.0.1
>port = 143
> }
>
> This let port 143 listen on local address.
>
> my question, is it
Am 09.06.2024 um 01:21 schrieb Jeff Peng via dovecot:
[ ... ]
my question, is it possible to close port 143 entirely in dovecot?
https://doc.dovecot.org/configuration_manual/service_configuration/#port
Thanks.
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Hello,
I have commented out this line in 10-master.conf:
service imap-login {
inet_listener imap {
#port = 143
}
But this doesn't close the port 143.
So I have changed it to:
service imap-login {
inet_listener imap {
address = 127.0.0.1
port = 143
}
This let port 143 liste
