Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread PGNet Dev
On 9/24/20 9:13 PM, Viktor Dukhovni wrote: > On Thu, Sep 24, 2020 at 08:30:35PM -0700, PGNet Dev wrote: > Is that really the session you intended to capture. Interestingly phrased! The intention was to capture the tcp data 'thru' the failed event. That^^ is the data streamed to console, with

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread Viktor Dukhovni
On Thu, Sep 24, 2020 at 08:30:35PM -0700, PGNet Dev wrote: > for this instance with > > dovecot --version > 2.3.10.1 (a3d0e1171) > postconf mail_version > mail_version = 3.5.7 > openssl version > OpenSSL 1.1.1g FIPS 21 Apr 2020 > >

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread PGNet Dev
On 9/24/20 7:32 PM, Viktor Dukhovni wrote: > On Thu, Sep 24, 2020 at 06:43:05PM -0700, PGNet Dev wrote: > >> Been awhile since I 'de-noised' a comms dump; I'll dust off my notes, & work >> on getting a useful/relevant PCAP file ... > > # tcpdump -s0 -w /some/file tcp port 12345 thx, was

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread Viktor Dukhovni
On Thu, Sep 24, 2020 at 06:43:05PM -0700, PGNet Dev wrote: > Been awhile since I 'de-noised' a comms dump; I'll dust off my notes, & work > on getting a useful/relevant PCAP file ... # tcpdump -s0 -w /some/file tcp port 12345 ^C # tcpdump -r /some/file 'tcp[13] & 0x12 == 2'

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread PGNet Dev
On 9/24/20 5:51 PM, Viktor Dukhovni wrote: >> again, the _only_ change between the two submissions is the addition of the >> "ServerPreference" option to the openssl.cnf config. > > This looks like the protocol version is no longer TLS 1.3 as a result, > and one side or the other now expects or

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread Viktor Dukhovni
On Thu, Sep 24, 2020 at 07:43:04AM -0700, PGNet Dev wrote: > > I'd be tempted to drop most if not all of those settings, they're not > > email-friendly. > > PUBLIC email non-friendly, because of still-frequent old cipher/protocol > implementations? > > or, > > inherently problematic with TLS

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread PGNet Dev
> I'd be tempted to drop most if not all of those settings, they're not > email-friendly. PUBLIC email non-friendly, because of still-frequent old cipher/protocol implementations? or, inherently problematic with TLS in/onr SMTP? in this case, there's nothing public ... both the dovecot and

Re: TLS handshake fails ("SSL_accept:error in error") for server->server connection (smtp submit dovecot->postfix) if /etc/pki/tls/openssl.cnf "Options=" includes 'ServerPreference' ?

2020-09-24 Thread Viktor Dukhovni
On Wed, Sep 23, 2020 at 02:11:50PM -0700, PGNet Dev wrote: > /etc/pki/tls/openssl.cnf > openssl_conf = default_conf > > [default_conf] > ssl_conf = ssl_sect > > [ssl_sect] > system_default = system_default_sect > >

RE: OpenSSL version 1.1.1h published

2020-09-24 Thread Dr. Matthias St. Pierre
> I think it would be better to just add a comment that the older branch > changes are tracked elsewhere. The note is already present, it's in the second paragraph of https://www.openssl.org/news/changelog.html but it is confusing nevertheless and it would be more useful if the entire information

Re: OpenSSL version 1.1.1h published

2020-09-24 Thread Tomas Mraz
On Thu, 2020-09-24 at 07:01 +, Dr. Matthias St. Pierre wrote: > > On 22/09/2020 15:03, Michael Wojcik wrote: > > > changelog.html hasn't been updated since 1.1.1e. > > > > > > https://www.openssl.org/news/changelog.html#openssl-111 shows: > > > > That's the master Changelog. Confusing I

RE: OpenSSL version 1.1.1h published

2020-09-24 Thread Dr. Matthias St. Pierre
> On 22/09/2020 15:03, Michael Wojcik wrote: > > changelog.html hasn't been updated since 1.1.1e. > > > > https://www.openssl.org/news/changelog.html#openssl-111 shows: > > That's the master Changelog. Confusing I know. > > The link to the 1.1.1 Changelog is at the top of the page. It is