Bug ID 1070761
Summary After upgrade of Tumbleweed to 20171129 dovecot shows Unknown protocol 'SSLv2'
Classification openSUSE
Product openSUSE Tumbleweed
Version Current
Hardware Other
OS Other
Status NEW
Severity Normal
Priority P5 - None
Component Other
Assignee bnc-team-screening@forge.provo.novell.com
Reporter freek@opensuse.org
QA Contact qa-bugs@suse.de
Found By ---
Blocker --- 

After upgrade of Tumbleweed to 20171129 dovecot shows the following messages:

eiktum:~ # journalctl -b -u dovecot
-- Logs begin at Fri 2017-12-01 11:14:54 CET, end at Fri 2017-12-01 11:29:40
CET. --
Dec 01 11:15:21 eiktum systemd[1]: Started Dovecot IMAP/POP3 email server.
Dec 01 11:15:22 eiktum dovecot[1651]: master: Dovecot v2.2.33.2 (d6601f4ec)
starting up for imap
Dec 01 11:16:20 eiktum dovecot[1906]: imap-login: Fatal: Invalid ssl_protocols
setting: Unknown protocol 'SSLv2'
Dec 01 11:16:20 eiktum dovecot[1651]: master: Error: service(imap-login):
command startup failed, throttling for 2 secs
Dec 01 11:16:22 eiktum dovecot[1906]: imap-login: Fatal: Invalid ssl_protocols
setting: Unknown protocol 'SSLv2'
Dec 01 11:16:22 eiktum dovecot[1651]: master: Error: service(imap-login):
command startup failed, throttling for 4 secs
Dec 01 11:21:20 eiktum dovecot[1906]: imap-login: Fatal: Invalid ssl_protocols
setting: Unknown protocol 'SSLv2'
Dec 01 11:21:20 eiktum dovecot[1651]: master: Error: service(imap-login):
command startup failed, throttling for 8 secs
Dec 01 11:21:28 eiktum dovecot[1906]: imap-login: Fatal: Invalid ssl_protocols
setting: Unknown protocol 'SSLv2'
Dec 01 11:21:28 eiktum dovecot[1651]: master: Error: service(imap-login):
command startup failed, throttling for 16 secs
Dec 01 11:26:20 eiktum dovecot[1906]: imap-login: Fatal: Invalid ssl_protocols
setting: Unknown protocol 'SSLv2'
Dec 01 11:26:20 eiktum dovecot[1651]: master: Error: service(imap-login):
command startup failed, throttling for 32 secs
Dec 01 11:26:52 eiktum dovecot[1906]: imap-login: Fatal: Invalid ssl_protocols
setting: Unknown protocol 'SSLv2'
Dec 01 11:26:52 eiktum dovecot[1651]: master: Error: service(imap-login):
command startup failed, throttling for 60 secs
eiktum:~ # rpm -qa | grep openssl | sort
libopenssl1_0_0-1.0.2m-1.1.x86_64
libopenssl1_1_0-1.1.0g-2.1.x86_64
openssl-1.1.0g-1.1.noarch
openssl-1_1_0-1.1.0g-2.1.x86_64
eiktum:~ #

I changed, what I think is the default, the line "ssl_protocols = !SSLv2
!SSLv3" in "ssl_protocols = !SSLv3". This solved the problem.

Th bug is that the default should change. I assume it is caused by the upgrade
of openssl.

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