On a similar note, I discovered my Buffalo NAS aren't able to use STARTTLS to send health reports.  They are Linkstation 210 using current firmware from Buffalo.

I recently did a full upgrade of the ASSP host (Ubuntu) and ASSP.

This is logged, but I'm not sure how to tell what protocol is in use.

Jun-20-23 17:56:11 [Worker_1] 104.188.144.67 error: Couldn't upgrade to TLS for client 104.188.144.67: SSL accept attempt failed error:0A000102:SSL routines::unsupported protocol

SSL key cipher list (default)

SSL_version (SSLv23:!SSLv3:!SSLv2)

Net::SMTP::SSL module version 1.02 installed and available
IO::Socket::SSL module version 2.074 installed - https and TLS/SSL is possible
Found valid certificate and private key file - https and TLS/SSL is available
The underlying SSL library Net::SSLeay version 1.92 uses OpenSSL 3.0.2 15 Mar 2022

- Robert

On 6/19/2023 10:06 PM, Daniel L. Miller via Assp-user wrote:
I currently have the default of "SSLv23:!SSLv3:!SSLv2" for ssl_version. Various online MX health checkers report my servers as not supporting TLS.

Should I change my ssl_version? Possible add a ":TLSv1_3" to the end?

--
Daniel



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Robert K Coffman Jr.
Info From Data Corp.
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