Your bug report is against jammy, but socket activation is a default for
ssh only in kinetic. Were you using ubuntu-bug from a different machine
than the one affected?
> In order to make this happen, I had to "break" the socket file
installed by the package at:
> /etc/systemd/system/sockets.target.wants/ssh.socket
So first of all, this is a symlink to a file under /lib; your changes
will be overwritten on package upgrade.
Secondly, listening on all interfaces is a default for openssh, both before and
after the move to socket-based activation. To configure the systemd socket
unit to listen on a particular interface, you need only drop an override file
in /etc/systemd/system/ssh.socket.d/ with the contents:
[Socket]
ListenStream=
ListenStream=$address:22
** Changed in: openssh (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1991566
Title:
Package creates a socket file for all addresses of all families, even
when bind to a single address
Status in openssh package in Ubuntu:
Incomplete
Bug description:
I am configuring OpenSSH to listen only on ipv4 and only on one
interface and one address, with nginx listening on 22 on the other
interface, and families.
In order to make this happen, I had to "break" the socket file
installed by the package at:
/etc/systemd/system/sockets.target.wants/ssh.socket
To read as follows:
[Unit]
Description=OpenBSD Secure Shell server socket
Before=ssh.service
Conflicts=ssh.service
ConditionPathExists=!/etc/ssh/sshd_not_to_be_run
#[Socket]
#ListenStream=22
#Accept=yes
#[Install]
#WantedBy=sockets.target
(Commented out the lines that installed the socket)
Then a daemon-reload, and restart of ngxinx, and all components of the
solution are working as required.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: openssh-server 1:8.9p1-3 [modified: lib/systemd/system/ssh.socket]
ProcVersionSignature:
Uname: Linux 5.15.53-1-pve x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Mon Oct 3 16:36:37 2022
ProcEnviron:
TERM=linux
PATH=(custom, no user)
LANG=C
SHELL=/bin/bash
SourcePackage: openssh
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1991566/+subscriptions
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