Re: PBKDF2 password hashing as in ASP.NET Core

2020-08-30 Thread Yves Goergen
I'm not an expert at this, I just read other sources that make suggestions. I have no strong comparison of SHA2 and PBKDF2. So my "<<" may be exaggerated. The most important points today seem to be resilience against GPU and ASIC attacks. Those devices have only little memory to work with. SHA2

Re: PBKDF2 password hashing as in ASP.NET Core

2020-08-30 Thread Yves Goergen
Thank you for your reply. It's not that simple, though. Just because some core algorithms are standardised and should be compatible doesn't mean their use in different implementations leads to interoperable data. The key point here seems to be that Dovecot just supports SHA-1 with PBKDF2, not

PBKDF2 password hashing as in ASP.NET Core

2020-08-29 Thread Yves Goergen
Hello, I'm setting up a new server and, again, seek for a decently secure (from a security specialist's POV) way to store and verify user passwords in a database. Additionally now, GDPR requires me to use a solid state-of-the-art solution. My OS is Ubuntu 20.04, Dovecot version 2.3.7, databa

Re: Cannot delete folder

2018-05-22 Thread Yves Goergen
:40 +0200 -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Mon, 21 May 2018, Yves Goergen wrote: May 21 10:36:14 mond2 dovecot: imap(yg@.de): Debug: Namespace : /var/mail/virtual/.de/yg/.Test doesn't exist yet, using default permissions May 21 10:36:14 mond2 dovecot: imap(yg@.d

Re: Cannot delete folder

2018-05-21 Thread Yves Goergen
Von: Aki Tuomi Gesendet: So, 2018-05-20 16:00 +0200 Assuming '8' = mail, i cannot see anything wrong here... Can you turn on 'mail_debug=yes' and attempt folder deletion, and check logs after that? Aki On 20 May 2018 at 16:19 Yves Goergen wrote: Here's the output of

Re: Cannot delete folder

2018-05-21 Thread Yves Goergen
MAP (which I've used long long ago before Dovecot) needed these weird modes. Does anybody know something about that? -Yves Von: Aki Tuomi Gesendet: Mo, 2018-05-21 10:49 +0200 I guess you have had different version(s) or setting(s) in the past, and

Re: Cannot delete folder

2018-05-21 Thread Yves Goergen
Von: Linda A. Walsh Gesendet: Mo, 2018-05-21 20:20 +0200 Yves Goergen wrote: The issue still exists. Can anybody explain to me why dovecot creates IMAP folders with the wrong filesystem permissions? On a lark, I looked through my dirs @ permissions. Shorted lines a bit so they'd fi

Re: Cannot delete folder

2018-05-21 Thread Yves Goergen
0200 Assuming '8' = mail, i cannot see anything wrong here... Can you turn on 'mail_debug=yes' and attempt folder deletion, and check logs after that? Aki On 20 May 2018 at 16:19 Yves Goergen wrote: Here's the output of 'doveconf -n': # 2.2.22 (fe7

Re: Cannot delete folder

2018-05-20 Thread Yves Goergen
s ________ Von: Yves Goergen Gesendet: Di, 2018-03-06 20:55 +0100 Hi there, I cannot delete IMAP folders in new mailboxes. When trying to delete a folder in Thunderbird I get the error message "renaming not supported across conflicting directory permissions&quo

Re: Cannot delete folder

2018-05-19 Thread Yves Goergen
. -Yves Von: Yves Goergen Gesendet: Di, 2018-03-06 20:55 +0100 Hi there, I cannot delete IMAP folders in new mailboxes. When trying to delete a folder in Thunderbird I get the error message "renaming not supported across conflicting directory permis

Re: Cannot delete folder

2018-03-09 Thread Yves Goergen
Von: Aki Tuomi Gesendet: Mi, 2018-03-07 10:50 +0100 On 06.03.2018 21:55, Yves Goergen wrote: Hi there, I cannot delete IMAP folders in new mailboxes. When trying to delete a folder in Thunderbird I get the error message "renaming not supported across conflicting directory permissions&qu

Cannot delete folder

2018-03-06 Thread Yves Goergen
Hi there, I cannot delete IMAP folders in new mailboxes. When trying to delete a folder in Thunderbird I get the error message "renaming not supported across conflicting directory permissions". Looking up the error on the web led me to checking the mailbox directory's permissions. They're inc

Re: Long delays when deleting a message in inbox

2016-05-05 Thread Yves Goergen
Well, they're empty. So whatever is causing this delay, it's silent. Yves Goergen http://unclassified.software Von: Steffen Kaiser Gesendet: Mo, 2016-05-02 08:39 +0200 -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Sun, 1 May 2016, Yves Goe

Re: Long delays when deleting a message in inbox

2016-05-01 Thread Yves Goergen
Which log would you suggest? There's nothing for these times in mail.log, messages and syslog. Yves Goergen http://unclassified.software Von: Aki Tuomi Gesendet: Fr, 2016-04-29 08:05 +0200 On 28.04.2016 20:54, Yves Goergen wrote: Hi, Since rec

Long delays when deleting a message in inbox

2016-04-28 Thread Yves Goergen
on "1:2.2.9-1ubuntu2". The filesystem is local ext4. My MUA is Thunderbird on Windows, latest version, connecting with IMAP. What could be the cause for this extreme delay? Yves Goergen http://unclassified.software

Re: userdb lookup not possible with only userdb prefetch

2014-12-07 Thread Yves Goergen
to be two separate queries at all? Just use one and take what you get. If some required column is missing and the value isn't set in the configuration, you can still throw an error. -- Yves Goergen http://unclassified.de http://dev.unclassified.de

userdb lookup not possible with only userdb prefetch

2014-12-06 Thread Yves Goergen
userdb { driver = prefetch } protocol imap { mail_max_userip_connections = 100 mail_plugins = quota imap_quota } What's the problem here? How can I resolve this issue? -- Yves Goergen http://unclassified.de http://dev.unclassified.de

Re: [Dovecot] ssl-build-param

2010-08-09 Thread Yves Goergen
On 09.08.2010 12:36 CE(S)T, Charles Marcus wrote: > Yves Goergen wrote: >> what does the Dovecot process ssl-build-param do? > > Google is your friend... > > http://www.lmgtfy.com/?q=dovecot+wiki+ssl-build-param Wow, that was easy. Unfortunately, it didn't give me bet

[Dovecot] IMAP namespace and Courier migration

2010-08-08 Thread Yves Goergen
as there. What happens if I copy the database, all the Maildir files, run the migration script to convert the special files and don't change that namespace - will clients show an error message and stop working or will it still work? -- Yves Goergen "LonelyPixel" V

[Dovecot] ssl-build-param

2010-08-08 Thread Yves Goergen
Hello, what does the Dovecot process ssl-build-param do? It has just eaten all my CPU for a minute or so. When I run it myself with "--help", it just does it all again and says "SSL parameters regeneration completed". What parameters? -- Yves Goergen "LonelyPixel&quo