mail:~ # journalctl -xfeu sshd
on two installations the log is filled with messages (and continues to be filled):
Jan 30 14:42:46 mail sshd[62259]: Connection closed by 127.0.0.1 port 49716
Jan 30 14:42:47 mail sshd[62263]: error: kex_exchange_identification: Connection closed by remote host
Jan 30 14:42:47 mail sshd[62263]: Connection closed by 127.0.0.1 port 49726
Jan 30 14:42:48 mail sshd[62266]: error: kex_exchange_identification: Connection closed by remote host
Jan 30 14:42:48 mail sshd[62266]: Connection closed by 127.0.0.1 port 49740
Jan 30 14:42:49 mail sshd[62269]: error: kex_exchange_identification: Connection closed by remote host
Jan 30 14:42:49 mail sshd[62269]: Connection closed by 127.0.0.1 port 49756
Jan 30 14:42:50 mail sshd[62272]: error: kex_exchange_identification: Connection closed by remote host
Jan 30 14:42:50 mail sshd[62272]: Connection closed by 127.0.0.1 port 49762
mail:~ # _grom_versions
grommunio-admin-api 1.9.28.774374b
grommunio-admin-common 6.cb985db
grommunio-admin-web 2.6.0.39.9263fdd
grommunio-antispam 3.4
grommunio-chat 6.2.2
grommunio-common 10.e94d08a
grommunio-cui 1.0.241.dbe4906
grommunio-dav 1.1.37.d5b6463
grommunio-error-pages 1.0.6.9c50afb
grommunio-imapsync 2.200
grommunio-index 0.1.25.3e826c9
grommunio-release 2022.05.2
grommunio-setup 1.0.68.bb1014d
grommunio-sync 1.1.59
grommunio-web 3.1.192.ecf23fc
gromox-debuginfo 2.2.103.28538ba
gromox-debugsource 2.2.103.28538ba
gromox 2.2.103.28538ba
grub2-theme-grommunio 1
libHX32-debuginfo 4.9
libHX32 4.9
libexmdbpp0 1.10.1.cea6069
libfmt8-debuginfo 8.1.1
libfmt8 8.1.1
libgumbo1-debuginfo 0.10.1
libgumbo1 0.10.1
libolecf1 20221024
libpff1 20211114
libtinyxml2-9-debuginfo 9.0.0
libtinyxml2-9 9.0.0
libvmime-suse5-debuginfo 0.9.2.175
libvmime-suse5 0.9.2.175
mapi-header-php 1.0.16.7a8062e
nginx-module-brotli 1.0.0rc+g1
nginx-module-vts 0.2.1+g1b
perl-Authen-NTLM 1.09
perl-Encode-IMAPUTF7 1.05
perl-JSON-WebToken 0.10
perl-Sys-MemInfo 0.99
plymouth-theme-grommunio 1
prosody 0.11.13
python3-jsonschema 3.2.0
python3-lazy-object-proxy 1.2.2
python3-mattermostdriver 7.3.2
python3-more-itertools 8.12.0
python3-openapi-core 0.13.7
python3-openapi-schema-validator 0.1.5
python3-openapi-spec-validator 0.2.9
python3-pamela 1.0.0
python3-parse 1.19.0
python3-pyexmdb 1.10.1.cea6069
python3-rfc3339-validator 0.1.4
python3-strict-rfc3339 0.7
system-user-grochat 2
system-user-grodav 2
system-user-grommunio 3
system-user-gromox 2
system-user-grosync 1
systemd-presets-branding-grommunio 2022.12
Please advise where to find a solution