Displaying 13 results from an estimated 13 matches for "tls_aes_128_gcm_sha256".
2020 Sep 24
3
dovecot TSL 1.3 config option 'ssl_ciphersuites' causes fatal error on launch. not supported, bad config, or bug?
...s the list of ciphers (TLSv1.2 and below) only for ssl.
SSL_CTX_set_ciphersuites() is used to configure the available TLSv1.3 ciphersuites for ctx. This is a simple colon
(":") separated list of TLSv1.3 ciphersuite names in order of preference. Valid TLSv1.3 ciphersuite names are:
TLS_AES_128_GCM_SHA256
TLS_AES_256_GCM_SHA384
TLS_CHACHA20_POLY1305_SHA256
TLS_AES_128_CCM_SHA256
TLS_AES_128_CCM_8_SHA256
An empty list is permissible. The default value for the this setting is:
"TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256"
SSL_set_ciphersuites()...
2019 Oct 11
3
Error: SSL_accept() syscall failed
In setting up my new mail server, I am getting the following in the logs:
Oct 11 07:10:59 kumo dovecot[5704]: imap-login: Disconnected (no auth
attempts in 0 secs): user=<>, rip=24.53.79.10, lip=172.26.12.90, *TLS
handshaking: SSL_accept() syscall failed: Success*,
session=<B9OokqCUD+UYNU8K>
I have tried various ssl_protocols entries, but for now have defaulted
back to
2020 Apr 02
0
"auth_cache_verify_password_with_worker = yes" does not work with proxy
...yes":
- First Login from mail.log (work's)
Apr 2 12:27:11 mf-19 dovecot: auth: Debug: client in: AUTH#0111#011PLAIN#011service=imap#011secured=tls#011session=6fZiPkyiWHJSZMhl#011lip=178.254.4.122#011rip=93.200.174.28#011lport=143#011rport=29272#011local_name=mf-19.1blu.de#011ssl_cipher=TLS_AES_128_GCM_SHA256#011ssl_cipher_bits=128#011ssl_pfs=KxANY#011ssl_protocol=TLSv1.3
Apr 2 12:27:11 mf-19 dovecot: auth: Debug: client passdb out: CONT#0111
Apr 2 12:27:11 mf-19 dovecot: auth: Debug: client in: CONT<hidden>
Apr 2 12:27:11 mf-19 dovecot: auth: Debug: sql(testuser,93.200.174.28,<6fZiPkyiWHJSZ...
2020 Aug 25
2
BUG: _presence_ of valid openssl.cnf Option = 'ServerPreference' causes Dovecot submission relay FAIL: "failed: Failed to initialize SSL: ..."
...stfix etc; Typically, here
cat /etc/pki/tls/openssl.cnf
openssl_conf = default_conf
[default_conf]
ssl_conf = ssl_sect
[ssl_sect]
system_default = system_default_sect
[system_default_sect]
MinProtocol = TLSv1.2
Ciphersuites = TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256
CipherString = ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256
Option...
2020 Oct 01
3
BUG: _presence_ of valid openssl.cnf Option = 'ServerPreference' causes Dovecot submission relay FAIL: "failed: Failed to initialize SSL: ..."
hi,
On 10/1/20 12:21 AM, JEAN-PAUL CHAPALAIN wrote:
> I had the same problem when migrating from Dovecot V2.2.36 on, Centos-7 to?Dovecot v2.3.8 on Centos-8
My report is specifically/solely about the addition/use of the
Options = ServerPreference
parameter.
I don't see that in your configuration.
Are you using it? In a config using Dovecot's submission proxy?
2020 Oct 01
0
BUG: _presence_ of valid openssl.cnf Option = 'ServerPreference' causes Dovecot submission relay FAIL: "failed: Failed to initialize SSL: ..."
...opensslcnf.config*
And /etc/crypto-policies/back-ends/opensslcnf.config :
CipherString =
@SECLEVEL=2:kEECDH:kRSA:kEDH:kPSK:kDHEPSK:kECDHEPSK:-aDSS:-3DES:!DES:!RC4:!RC2:!IDEA:-SEED:!eNULL:!aNULL:!MD5:-SHA384:-CAMELLIA:-ARIA:-AESCCM8
Ciphersuites =
TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:TLS_AES_128_CCM_SHA256
MinProtocol = *TLSv1.1*
MaxProtocol = TLSv1.3
Regards
Le jeu. 1 oct. 2020 ? 17:29, PGNet Dev <pgnet.dev at gmail.com> a ?crit :
> hi,
>
> On 10/1/20 12:21 AM, JEAN-PAUL CHAPALAIN wrote:
> > I had the same problem when migrating from Dovecot V2.2.36 on,...
2020 Sep 22
0
BUG: _presence_ of valid openssl.cnf Option = 'ServerPreference' causes Dovecot submission relay FAIL: "failed: Failed to initialize SSL: ..."
...t;
> openssl_conf = default_conf
>
> [default_conf]
> ssl_conf = ssl_sect
>
> [ssl_sect]
> system_default = system_default_sect
>
> [system_default_sect]
> MinProtocol = TLSv1.2
> Ciphersuites = TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256
> CipherString = ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256
>...
2019 Feb 24
0
permission denied errors with INDEX=MEMORY and trees plugin
...port = 0
}
}
service quota-warning {
executable = script /usr/lib/dovecot/quota-warning.sh
unix_listener quota-warning {
group = vmail
mode = 0660
user = vmail
}
user = vmail
}
ssl = required
ssl_cert = </etc/acme/fullchain.cer
ssl_cipher_list = TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256
ssl_key = # hidden, use -P to show it
ssl_min_protocol = TLSv1.2
ssl_prefer_server_ciphers = yes
userd...
2020 Sep 22
3
BUG: _presence_ of valid openssl.cnf Option = 'ServerPreference' causes Dovecot submission relay FAIL: "failed: Failed to initialize SSL: ..."
...> > [default_conf]
> > ssl_conf = ssl_sect
> >
> > [ssl_sect]
> > system_default = system_default_sect
> >
> > [system_default_sect]
> > MinProtocol = TLSv1.2
> > Ciphersuites = TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256
> > CipherString = ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA25...
2020 Sep 23
2
BUG: _presence_ of valid openssl.cnf Option = 'ServerPreference' causes Dovecot submission relay FAIL: "failed: Failed to initialize SSL: ..."
> On 22/09/2020 21:00 PGNet Dev <pgnet.dev at gmail.com> wrote:
>
>
> On 9/22/20 10:51 AM, Aki Tuomi wrote:
> >>>
> >
> > Well, dovecot does not actually do any parsing for system-wide openssl.cnf. This sounds more like OpenSSL issue than dovecot issue.
>
> I've NO issue with that config/setting with any _other_ app -- whether in general
2019 Jul 27
2
submission configuration issues
...oxy = no
port = 465
reuse_port = no
ssl = yes
}
}
ssl_alt_cert = </var/lib/acme/imap.example.com/rsa/cert.pem
ssl_alt_key = # hidden, use -P to show it
ssl_cert = </var/lib/acme/imap.example.com/ecdsa/cert.pem
ssl_cipher_list = TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-A...
2019 Jul 27
0
submission configuration issues
...m
> <http://imap.example.com/rsa/cert.pem>
> ssl_alt_key = # hidden, use -P to show it
> ssl_cert = </var/lib/acme/imap.example.com/ecdsa/cert.pem
> <http://imap.example.com/ecdsa/cert.pem>
> ssl_cipher_list =
> TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:TLS_AES_128_GCM_SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-A...
2019 Jul 23
5
submission configuration issues
Hello,
I'm having trouble configuring the submission proxy.
I have configured the submission service as follow:
submission_host = smtp.example.com
submission_relay_host = localhost
submission_relay_port = 8587
submission_relay_rawlog_dir = /var/log/dovecot/
submission_relay_trusted = yes
My main issue is that until I login, dovecot-submission won't connect to the backend and query the