Oh, OK. I'll investigate and test it. Thank you! -- hippo...@gmail.com Take a hippopotamus to lunch today.
.---------, 0__0 / ( oo'---, / oo\ ,\ | | \ ,=__/ \ / / /------| /| |__|-' |__|' On Tue, Aug 1, 2023 at 12:24 PM aki.tuomi via dovecot <dovecot@dovecot.org> wrote: > 1.2.3.4::::::::: nopassword > > I think. Didn't have a chance to test it. > > Aki > > > -------- Original message -------- > From: Hippo Man <hippo...@gmail.com> > Date: 8/1/23 19:03 (GMT+02:00) > To: "aki.tuomi" <aki.tu...@open-xchange.com> > Cc: dovecot@dovecot.org > Subject: Re: Forcing imap authentication failure for certain IP addresses > > Thank you very much! > > In your example, what would be the contents of the > /etc/dovecot/deny.ip file? > > -- > hippo...@gmail.com > Take a hippopotamus to lunch today. > > .---------, 0__0 > / ( oo'---, > / oo\ > ,\ | > | \ ,=__/ > \ / > / /------| /| > |__|-' |__|' > > > > On Tue, Aug 1, 2023 at 11:44 AM aki.tuomi via dovecot <dovecot@dovecot.org> > wrote: > >> One way is to use >> https://doc.dovecot.org/configuration_manual/authentication/auth_policy/ >> >> or you can use >> >> passdb { >> driver = passwd-file >> deny = yes >> args = username_formar=%{rip} /etc/dovecot/deny.ip >> } >> >> or you can use >> https://doc.dovecot.org/configuration_manual/authentication/lua_based_authentication/ >> >> and write this in Lua. >> >> Aki >> >> >> -------- Original message -------- >> From: Hippo Man <hippo...@gmail.com> >> Date: 8/1/23 18:14 (GMT+02:00) >> To: dovecot@dovecot.org >> Subject: Forcing imap authentication failure for certain IP addresses >> >> I'm running dovecot 2.3.18 under Debian 11. >> >> I want to do something that's a bit unusual: when IMAP connections are >> attempted >> from a few specific IP addresses, I want to force an IMAP authentication >> failure >> from those connections, no matter what user ID and password are specified. >> >> I know that I can use iptables to completely block imap access from those >> IP >> addresses to the IMAP ports. However, in these specific cases, I'd prefer >> that >> the connection goes through to dovecot, but for dovecot then to always >> generate >> authentication failures for those specific connections ... even if a valid >> user ID and password happen to be specified. >> >> Is there a way to do this in dovecot? >> >> Thank you very much in advance. >> >> -- >> hippo...@gmail.com >> Take a hippopotamus to lunch today. >> >> .---------, 0__0 >> / ( oo'---, >> / oo\ >> ,\ | >> | \ ,=__/ >> \ / >> / /------| /| >> |__|-' |__|' >> >> _______________________________________________ >> dovecot mailing list -- dovecot@dovecot.org >> To unsubscribe send an email to dovecot-le...@dovecot.org >> > _______________________________________________ > dovecot mailing list -- dovecot@dovecot.org > To unsubscribe send an email to dovecot-le...@dovecot.org >
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