Hello!
I'm using cyrus on Debian vm for several years but now, SSL starts to fail:
Nov 29 13:05:58 server1 cyrus/imaps[9595]: inittls: Loading
hard-coded DH parameters
Nov 29 13:05:58 server1 cyrus/imaps[9595]: imaps TLS negotiation
failed: [2801:0:140:f42:f3fa:b0b2:4ab1:8d10]
I tried with self-signed certificates, and third-party ones, but the
result is the same.
I spent two days trying to figure out what happened, without results.
#openssl s_client -connect mail.server.test:993 -crlf -state
CONNECTED(00000003)
SSL_connect:before SSL initialization
SSL_connect:SSLv3/TLS write client hello
SSL3 alert read:fatal:handshake failure
SSL_connect:error in SSLv3/TLS write client hello
140019483313280:error:14094410:SSL routines:ssl3_read_bytes:sslv3
alert handshake failure:ssl/record/rec_layer_s3.c:1388:SSL alert number
40
---
no peer certificate available
---
No client certificate CA names sent
---
SSL handshake has read 7 bytes and written 176 bytes
Verification: OK
---
New, (NONE), Cipher is (NONE)
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : 0000
Session-ID:
Session-ID-ctx:
Master-Key:
PSK identity: None
PSK identity hint: None
SRP username: None
Start Time: 1480435442
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: no
---
I'm using this versions:
cyrus-admin 2.5.10-2
cyrus-clients 2.5.10-2
cyrus-common 2.5.10-2
cyrus-doc 2.5.10-2
cyrus-imapd 2.5.10-2
cyrus-murder 2.5.10-2
cyrus-pop3d 2.5.10-2
cyrus-replication 2.5.10-2
Both, certificate and key, are accesibles by user cyrus. Certificate is
up-to-date.
This is the config:
$sudo -u cyrus /usr/lib/cyrus/bin/cyr_info conf
[...]
tls_ciphers: TLSv1+HIGH:!aNULL:@STRENGTH
tls_client_ca_dir: /etc/ssl/certs
tls_client_ca_file: /etc/ssl/certs/cyrus.pem
tls_server_cert: /etc/ssl/certs/cyrus.pem
tls_server_key: /etc/ssl/private/cyrus.key
tls_session_timeout: 0
[...]
And before I declared myself "I'm completely lost", I was watching
entropy ... but is ok.
#cat /proc/sys/kernel/random/entropy_avail
2354
¿Any suggestions?
Thanks in advance!
Javier.-
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