Commit Graph
263 Commits
Author SHA1 Message Date
Sebastian Gumprich ddce9eccd9 use fqn for with_flattened
Signed-off-by: Sebastian Gumprich <[email protected]>
2022-07-15 12:07:24 +02:00
Sebastian Gumprich 92afe6e336 use fqn for with_flattened
Signed-off-by: Sebastian Gumprich <[email protected]>
2022-07-15 11:38:06 +02:00
Sebastian Gumprich 26e37cabc5 add more conditionals to when auditd show be hardened
Signed-off-by: Sebastian Gumprich <[email protected]>
2022-07-15 09:08:26 +02:00
Sebastian Gumprich 862edbbe40 Update roles/os_hardening/tasks/minimize_access.yml 2022-07-14 15:03:34 +02:00
David James 9d6903e7ad Only run harding if /var/log/audit exists
Signed-off-by: GitHub <[email protected]>
2022-07-13 17:58:20 +00:00
Martin Schurz edda7075a2 add badge for tests
Signed-off-by: Martin Schurz <[email protected]>
2022-07-11 12:17:34 +02:00
Martin Schurz 0f631c1405 add sysctl exclude
Signed-off-by: Martin Schurz <[email protected]>
2022-07-11 09:39:52 +02:00
Martin Schurz 5d50b5b130 add sysctl exclude
Signed-off-by: Martin Schurz <[email protected]>
2022-07-11 09:32:02 +02:00
Martin Schurz 28baf0d581 add sysctl exclude
Signed-off-by: Martin Schurz <[email protected]>
2022-07-11 09:17:44 +02:00
Martin Schurz 4b519e8b13 add sysctl exclude
Signed-off-by: Martin Schurz <[email protected]>
2022-07-11 09:13:26 +02:00
Martin Schurz 92dc094022 add sysctl exclude
Signed-off-by: Martin Schurz <[email protected]>
2022-07-11 09:05:58 +02:00
Martin Schurz cd45a58683 fix yum gpg-check task
Signed-off-by: Martin Schurz <[email protected]>
2022-07-10 20:22:39 +02:00
Martin Schurz fa7f8597d9 fix bug in check for /boot
Signed-off-by: Martin Schurz <[email protected]>
2022-07-10 13:36:19 +02:00
Sebastian Gumprich 73f84ae2a9 fix wrong indentation
Signed-off-by: Sebastian Gumprich <[email protected]>
2022-07-08 16:04:37 +02:00
Sebastian Gumprich 9b50392d8a fix linting
Signed-off-by: Sebastian Gumprich <[email protected]>
2022-07-07 16:12:06 +02:00
rndmh3ro e28e09cd0e Prettified Code! 2022-07-07 07:02:50 +00:00
488ff6a7c3 Harden mountpoints (#531)
* first testing with tasks and variables

Signed-off-by: Ludwig Bayerlein <[email protected]>

* update variables for dir options

Signed-off-by: Ludwig Bayerlein <[email protected]>

* updated permissions and defaults

Signed-off-by: Ludwig Bayerlein <[email protected]>

* fix home dir permissions

Signed-off-by: Ludwig Bayerlein <[email protected]>

* updated tasks with useful variables

Signed-off-by: Ludwig Bayerlein <[email protected]>

* reorder tasks. first remount, then manage fstab and fix permissions on directories. Renaming task names with mountpoints (slashes)

Signed-off-by: Ludwig Bayerlein <[email protected]>

* shorten tasks with list items

Signed-off-by: Ludwig Bayerlein <[email protected]>

* change defaults for /boot directory, because its a bad behaviour, if ansible changes boot entries with a default value

Signed-off-by: Ludwig Bayerlein <[email protected]>

* Update documentation for new parameters to manage mountpoints

Signed-off-by: Ludwig Bayerlein <[email protected]>

* Update roles/os_hardening/tasks/minimize_access.yml

Co-authored-by: Sebastian Gumprich <[email protected]>
Signed-off-by: Ludwig Bayerlein <[email protected]>

* Update roles/os_hardening/tasks/minimize_access.yml

Co-authored-by: Sebastian Gumprich <[email protected]>
Signed-off-by: Ludwig Bayerlein <[email protected]>

* Fix state on every new task

Signed-off-by: Ludwig Bayerlein <[email protected]>

* loop instead of list

Signed-off-by: Ludwig Bayerlein <[email protected]>

* testing remount with register

Signed-off-by: Ludwig Bayerlein <[email protected]>

* add remounts with loop over all changed folders

Signed-off-by: Ludwig Bayerlein <[email protected]>

* testing and solving trouble with variable names

Signed-off-by: Ludwig Bayerlein <[email protected]>

* optimize default permissions for var-log-audit

Signed-off-by: Ludwig Bayerlein <[email protected]>

* optimize default permissions for var-log-audit

Signed-off-by: Ludwig Bayerlein <[email protected]>

* change to new optimizied permissions of var-log-audit

Signed-off-by: Ludwig Bayerlein <[email protected]>

* fix some defaults in fstab to configure as mounted

Signed-off-by: Ludwig Bayerlein <[email protected]>

* add stat and check, if boot folder exists

Signed-off-by: Ludwig Bayerlein <[email protected]>

Co-authored-by: Ludwig Bayerlein <[email protected]>
Co-authored-by: Sebastian Gumprich <[email protected]>
2022-07-07 09:02:25 +02:00
Sebastian Gumprich 3f50b6e94b update os-hardening readme with os_ignore_users
fixes #542

Signed-off-by: Sebastian Gumprich <[email protected]>
2022-05-30 13:29:45 +02:00
Martin Schurz 46b436fc9b update description of ssh_client_alive_count
Signed-off-by: Martin Schurz <[email protected]>
2022-05-04 13:48:38 +02:00
abejotaRandAbraham Rebori 8edd650135 change permissions of the tmout.sh file (#520)
Co-authored-by: Abraham Rebori <[email protected]>
2022-02-21 14:01:19 +01:00
rndmh3ro 468e4674b8 debian 9's nginx doesnt support tls1.3
while this could be better solved by checking what nginx version is used, debian9 is eol'd in 4 months. if there will be again a need to check for nginx versions, we'll add it then

Signed-off-by: rndmh3ro <[email protected]>
2022-02-21 10:02:54 +01:00
Sebastian Gumprich 2ba40b0891 move sysctls to debian specific vars (#524)
* fix ansible-lint issue

https://github.com/ansible-community/ansible-lint/issues/1795
Signed-off-by: rndmh3ro <[email protected]>

* move 2 sysctls to debian specific

Signed-off-by: rndmh3ro <[email protected]>

* fix ansible-lint issue

https://github.com/ansible-community/ansible-lint/issues/1795
Signed-off-by: rndmh3ro <[email protected]>

* add arch linux sysctls

* simplify sysctl settings

Signed-off-by: rndmh3ro <[email protected]>

* ove overwrite to the bottom to let it acutally overwrite something

Signed-off-by: rndmh3ro <[email protected]>

* fix typo

Signed-off-by: rndmh3ro <[email protected]>
2022-02-18 15:30:32 +01:00
lbayerleinandLudwig Bayerlein 1a97c6cf87 new feautre tmout in a new pr (#516)
Signed-off-by: Ludwig Bayerlein <[email protected]>

Co-authored-by: Ludwig Bayerlein <[email protected]>
2021-12-16 11:39:24 +01:00
Sebastian Gumprich 8f22ce788c Feature coredump (#513)
* restructure limits-tasks

* disable coredumps in tests

* use notify-task for systemd-reload

Signed-off-by: rndmh3ro <[email protected]>

* add notify to another task

Signed-off-by: rndmh3ro <[email protected]>

* rm obsolete task and rename handler

Signed-off-by: rndmh3ro <[email protected]>
2021-12-10 22:10:14 +01:00
lbayerleinandLudwig Bayerlein bb8e3e375e add feature to disable coredump to limit task (#511)
Signed-off-by: Ludwig Bayerlein <[email protected]>

Co-authored-by: Ludwig Bayerlein <[email protected]>
2021-12-08 14:25:49 +01:00
alegrey91 8805d9c14a fix: change hidepid mount task state to mounted 2021-11-29 22:37:21 +01:00
schurzi ad43f908df prettify nginx options (#509)
Signed-off-by: Martin Schurz <[email protected]>
2021-11-29 10:25:43 +01:00
schurzi cb3574ed56 Merge pull request #501 from ksaadDE/patch-3
Updated dh_params to 4096
2021-11-28 11:38:39 +01:00
duffn 1d25d4185c Update nginx_add_header README to match default (#506)
Signed-off-by: Nicholas Duffy <[email protected]>
2021-11-26 11:31:47 +01:00
tekicat 88893a5d4a Fix duplicate sysctl config (#505)
Signed-off-by: tekicat <[email protected]>
Signed-off-by: gk <[email protected]>
Signed-off-by: Tekicat <[email protected]>
2021-11-26 11:30:50 +01:00
Karim f84ff572ac Updated dh_params to 4096
Updated dh_params to 4096
2021-11-15 19:02:59 +00:00
Karim 96d6b47912 Update main.yml
TLSv1.3 should be supported (+security) and soon as possible should be TLSv1.2 EOL.
2021-11-15 19:23:47 +01:00
René Scheibe bbe4ce16a1 Add whitelist option for yum repository files (#487)
Files in this whitelist should not be altered.

Currently this is only relevant for enforcing the gpg check.

Signed-off-by: René Scheibe <[email protected]>
2021-11-07 11:56:59 +01:00
1bf31a197b disable ctrl-alt-del key combination (#496)
* new function to disable ctrl-alt-del to avooid reboot virtual machines f.e.

Signed-off-by: Ludwig Bayerlein <[email protected]>

* fix variable documentation for ctrlaltdel

Signed-off-by: Ludwig Bayerlein <[email protected]>

* added ctrlaltdel variable for molecule

Signed-off-by: Ludwig Bayerlein <[email protected]>

* optimize ctrlaltdel function with a 'when' query. thanks to rndmh3ro

Signed-off-by: Ludwig Bayerlein <[email protected]>

* fix typo in new file

Co-authored-by: Ludwig Bayerlein <[email protected]>
Co-authored-by: Sebastian Gumprich <[email protected]>
2021-10-28 10:31:58 +02:00
schurzi 08b0fd14f4 Merge pull request #494 from dev-sec/sysctl-34
implement sysctl-34 - link protection settings
2021-10-24 11:21:14 +02:00
schurzi ff37289879 Merge pull request #493 from dev-sec/rndmh3ro-patch-1
update minimum ansible version for roles
2021-10-24 11:09:37 +02:00
Sebastian Gumprichandschurzi 9f372c285c Update roles/os_hardening/defaults/main.yml
Co-authored-by: schurzi <[email protected]>
2021-10-24 10:59:49 +02:00
Claudius Heine 384c097f8a feat(os_hardening): extend file permission tasks to cover more files (#489)
The tasks `Change shadow ownership to root and mode to 0600` and `Change
passwd ownership to root and mode to 0644` only handle
`/etc/shadow` and `/etc/passwd` respectively. But there multiple
adjacent files that should be handled with these rules as well:

- `/etc/gshadow`
- `/etc/shadow-`
- `/etc/gshadow-`
- `/etc/group`
- `/etc/shadow-`
- `/etc/group-`

This change adds those files to the rules, so that permissions are
handled in the same way.

Closes: #488

Signed-off-by: Claudius Heine <[email protected]>
2021-10-21 09:51:20 +02:00
rndmh3ro 346b064682 implement sysctl-34 - link protection settings
Signed-off-by: rndmh3ro <[email protected]>
2021-10-20 20:59:49 +02:00
Sebastian Gumprich be0d501bc8 update minimum ansible version for roles
fixes #407

Signed-off-by: rndmh3ro <[email protected]>
2021-10-20 20:42:05 +02:00
Sina Tak TehraniandSebastian Gumprich 5debcc0c6f fix filter error in ansible.builtin.file mode parameter (#486)
* fix filter error in ansible.builtin.file mode parameter

* Change cinc supermarket

* fix link to baseline

* fix typo

Co-authored-by: Sebastian Gumprich <[email protected]>
2021-10-18 20:55:24 +02:00
ReinerNippes e819f89ccb ssh_allow_tcp_forwarding is not a boolean (#480)
Changed the comment to "Set to 'yes', 'no', 'local', 'all' or 'remote' to allow TCP Forwarding"
2021-08-30 15:46:03 +02:00
Roger Meier 8fdb4e55b8 chore(ssh_hardening): set min_ansible_version to >=2.9.10 (#479) 2021-08-28 15:21:59 +02:00
rndmh3ro 8ff3d73bbf Prettified Code! 2021-08-25 10:58:16 +00:00
123quhiwiwk 062dd3f092 Use log_error/datadir from database settings instead of default variable (#478)
Signed-off-by: 123quhiwiwk <[email protected]>
2021-08-25 12:57:46 +02:00
123quhiwiwk 4671a32062 Execute check of error logfile permissions only when log_error is defined (#477)
Signed-off-by: 123quhiwiwk <[email protected]>
2021-08-24 09:41:55 +02:00
Shawn Wilsher 3b33e0a7aa [mysql_hardening] Setup defaults for MySQL on FreeBSD (#474)
Signed-off-by: Shawn Wilsher <[email protected]>
2021-08-20 13:00:12 +02:00
schurzi d7eb00f4b7 Merge pull request #475 from dev-sec/ansible_lint
use Ansible lint in separate task
2021-08-15 22:53:41 +02:00
rndmh3ro cf17f80374 skip linting on special task
Signed-off-by: rndmh3ro <[email protected]>
2021-08-15 20:16:56 +02:00
Shawn WilsherandSebastian Gumprich 9ab06a5e06 [mysql_hardening] Allow setting the mysql_distribution (#473)
* [mysql_hardening] Allow setting the mysql_distribution

On some operating systems, the package for MySQL is not `mysql-server`,
and so the default check for this will not yield the correct result.
This change adds an escape hatch by letting the user set
`mysql_distribution`.  Additionally, it verifies that it is set to a
legal value if the user has set it.

Closes #472

Signed-off-by: Shawn Wilsher <[email protected]>

* Update roles/mysql_hardening/tasks/main.yml

Co-authored-by: Sebastian Gumprich <[email protected]>
2021-08-15 20:03:07 +02:00