On 22/02/2020 11:18, Florian Smeets wrote:
On 20.02.20 04:54, Pedro F. Giffuni wrote:
Author: pfg
Date: Thu Feb 20 03:54:07 2020
New Revision: 358153
URL: https://svnweb.freebsd.org/changeset/base/358153

Log:
   /etc/services: attempt bring the database to this century.
-smtps 465/tcp #smtp protocol over TLS/SSL (was ssmtp)
-smtps          465/udp    #smtp protocol over TLS/SSL (was ssmtp)
I'm not sure how removals of services have been handled in the past.
This change broke loading of my pf rule set, as I had smtps in there.

Excellent!

Not that the change broke something but that since we had to revert it we get a second chance to review such things.


I'm not saying that this change is wrong, but I think removing entries
from services can break all kinds of stuff. Not just firewall rule sets,
also scripts and thinking more about it, it will most certainly also
break postfix as it also uses smtps as an alias for port 465 in its
master.cnf

According to latest IANA registy:

urd                 465        tcp    URL Rendezvous Directory for [Toerless_Eckert] [Toerless_Eckert]
                                      SSM
submissions         465        tcp    Message Submission over TLS [IESG] [IETF_Chair] 2017-12-12                [RFC8314]
                                      protocol
igmpv3lite          465        udp    IGMP over UDP for SSM [Toerless_Eckert] [Toerless_Eckert]

Anything that can be done upstream to sort this out?

I guess this needs to be at least mentioned in the release notes, and
maybe smtps kept as an alias, and check all the others that were removed?

For the time being, we can absolutely keep the legacy value with a conflict note. I wish the services list were a bit easier to maintain for such situations.

Pedro.

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