Log IPs of IMAP connections (attempts)

[Sruli Saurymper]

I have a friend who has written alot with erlang, have asked him to have
look, hopefully he will find some time.

On 25/02/2020 14:31, Daniel Hoffend wrote:
> Hey Matthias
>
> Currently I don't know of any possbility to turn connection logging on
> in guam. If someone is fluent with erlang they're welcome to join in
> and help us fixing and extending guam in this regard.
>
> For those asking what guam does: Guam is the IMAP Reverse Proxy
> sitting in front of cyrus-imapd. When you're IMAP Clients connects to
> Kolab and listing all the IMAP folders, guam is "hiding" the groupware
> folders (like Calendars, Contacts, etc.) to non-kolab aware clients.
> Sure you can turn guam off and reconfigure cyrus (in cyrus.conf) to
> start listing on :143 and :993 again.
>
> Beware that unware users of your email server don't know nothing about
> the ~9 additional folders. And if they deleting those "strange" email
> folders and objects they could end up losing their contacts or
> calender entries.
>
> Apart from that: Any help with guam is appriciated.
>
> -- 
> Daniel Hoffend
>
>
> Am 2020-02-23 15:39, schrieb Matthias Busch:
>> Hey,
>>
>> since GUAM is proxying the imap connections, cyrus only ever sees
>> localhost connections.
>>
>> Anyone know how to setup guam to log the connections? Mostly looking
>> towards logging failed attempts with the IP attempting to login.
>> Want to setup a bruteforce block via fail2ban....
>>
>> Thanks in advance
>> Mat
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