Get a list of currently active IMAP connections?

[Aki Tuomi]

Have you tried `doveadm who`?

Aki

> On 16/08/2022 23:15 EEST Jaroslaw Rafa <raj at rafa.eu.org> wrote:
> 
>  
> Hello Dovecot community,
> 
> I have a question: is it possible to programmatically get from Dovecot a
> list of currently active IMAP sessions (with IP addresses)? Via a plugin or
> something?
> 
> Or just check if there is an IMAP session currently open from a particular IP
> address, with true/false type answer?
> 
> I'm planning to implement a policy service for *Postfix* that will revive
> the old "POP before SMTP" authorization concept (only it will be "IMAP
> before SMTP" this time). This policy service will reject connections to
> mail submission ports (465, 587) - without even going to SMTP AUTH phase -
> unless the connecting IP address has currently an IMAP session open to
> Dovecot, to mitigate SMTP AUTH attacks.
> 
> But for this I need some way to check from within this policy service if the
> particular IP address has a connection open or not. It could be of course
> obtained by scanning Dovecot logs, but this involves quite a large overhead.
> Therefore I'm looking for the way to get this information directly from
> Dovecot's current state.
> 
> Can you advise me of any way to do this?
> 
> Or maybe someone has already written such a piece of software and it is
> available somewhere on the Net?
> -- 
> Regards,
>    Jaroslaw Rafa
>    raj at rafa.eu.org
> --
> "In a million years, when kids go to school, they're gonna know: once there
> was a Hushpuppy, and she lived with her daddy in the Bathtub."