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76 Commits

Author SHA1 Message Date
Raja Grewal
7a4212dd76
Update copyright 2023-03-30 17:08:47 +11:00
Patrick Schleizer
b87d9eb865
lintian 2023-01-24 07:08:13 -05:00
Patrick Schleizer
d31c17ea04
fix 2023-01-07 14:31:14 -05:00
Patrick Schleizer
41d116aa2f
lintian 2023-01-07 14:30:12 -05:00
Patrick Schleizer
8b584c570a
lintian 2022-06-29 16:06:22 -04:00
Patrick Schleizer
1c51d15649
lintian 2022-06-29 15:23:53 -04:00
Patrick Schleizer
6eba53767f
lintian 2022-06-29 14:17:52 -04:00
Patrick Schleizer
cfae7de6a8
lintian 2022-06-29 09:58:37 -04:00
Patrick Schleizer
2d37e3a1af
copyright 2022-05-20 14:46:38 -04:00
Patrick Schleizer
be8c10496f
fix faillock implementation 
dovecot / ssh are exempted
 2021-09-01 15:55:53 -04:00
Patrick Schleizer
582492d6d8
port from pam_tally2 to pam_faillock 
since pam_tally2 was deprecated upstream
 2021-08-10 17:13:00 -04:00
Patrick Schleizer
2bf0e7471c
port from pam_tally2 to pam_faillock 
since pam_tally2 was deprecated upstream
 2021-08-10 15:11:01 -04:00
Patrick Schleizer
2aea74bd71
renamed: usr/libexec/security-misc/pam_tally2-info -> usr/libexec/security-misc/pam-info 
renamed:    usr/libexec/security-misc/pam_tally2_not_if_x -> usr/libexec/security-misc/pam_faillock_not_if_x
renamed:    usr/share/pam-configs/tally2-security-misc -> usr/share/pam-configs/faillock-security-misc
 2021-08-10 15:06:04 -04:00
Patrick Schleizer
50bdd097df
move /usr/lib/security-misc to /usr/libexec/security-misc as per lintian FHS 2021-08-03 12:56:31 -04:00
Patrick Schleizer
8eae635668
update lintian tag name 2021-08-03 11:51:31 -04:00
Patrick Schleizer
b3e34f7f43
comment 2021-07-25 11:27:07 -04:00
Patrick Schleizer
7e128636b3
improve LKRG VirtualBox host configuration 
as per https://github.com/openwall/lkrg/issues/82#issuecomment-886188999
 2021-07-25 11:26:20 -04:00
Patrick Schleizer
257cef24ba
add LKRG compatibility settings automation for VirtualBox hosts 
https://github.com/openwall/lkrg/issues/82
 2021-07-24 18:03:40 -04:00
Patrick Schleizer
a67007f4b7
copyright 2021-03-17 09:45:21 -04:00
Patrick Schleizer
9622f28e25
skip counting failed login attempts from dovecot 
Failed dovecot logins should not result in account getting locked.

revert "use pam_tally2 only for login"
 2021-01-27 05:49:34 -05:00
Patrick Schleizer
6757104aa4
use pam_tally2 only for login 
to skip counting failed login attempts over ssh and mail login
 2021-01-24 05:04:48 -05:00
Patrick Schleizer
5c81e1f23f
import from anon-gpg-conf 2020-04-06 09:25:45 -04:00
Patrick Schleizer
2ceea8d1fe
update copyright year 2020-04-01 08:49:59 -04:00
Patrick Schleizer
300f010fc2
increase priority of pam-abort-on-locked-password-security-misc 
since it has its own user help output

so it shows before pam tally2 info

to avoid duplicate non-applicable help text
 2019-12-12 09:29:00 -05:00
Patrick Schleizer
729fa26eca
use pam_acccess only for /etc/pam.d/login 
remove "Allow members of group 'ssh' to login."
remove "+:ssh:ALL EXCEPT LOCAL"
 2019-12-12 09:00:08 -05:00
Patrick Schleizer
c192644ee3
security-misc /usr/share/pam-configs/permission-lockdown-security-misc is no longer required, removed. 
Thereby fix apparmor issue.

> Dec 08 09:47:50 host audit[3232]: AVC apparmor="DENIED" operation="exec" profile="/usr/bin/whonixcheck" name="/usr/lib/security-misc/permission-lockdown" pid=3232 comm="sudo" requested_mask="x" denied_mask="x" fsuid=0 ouid=0
> Dec 08 09:47:50 host sudo[3232]: pam_exec(sudo:session): execve(/usr/lib/security-misc/permission-lockdown,...) failed: Permission denied

It is no longer required, because...

existing linux user accounts:

* Get permission lock down because security-misc `debian/security-misc.postinst` calls `/usr/lib/security-misc/permission-lockdown`.

new linux user accounts (created at first boot):

* security-misc `/usr/share/pam-configs/mkhomedir-security-misc` pam mkhomedir sets secure permissions using `umask=027`.
 2019-12-08 05:21:35 -05:00
Patrick Schleizer
c7c65fe4e7
higher priority usr/share/pam-configs/tally2-security-misc 
so it can give info before pam stack gets aborted by other pam modules
 2019-12-08 03:15:53 -05:00
Patrick Schleizer
19cc6d7555
pam description 2019-12-08 02:10:43 -05:00
Patrick Schleizer
b871421a54
usr/share/pam-configs/console-lockdown -> usr/share/pam-configs/console-lockdown-security-misc 2019-12-08 01:57:43 -05:00
Patrick Schleizer
6479c883bf
Console Lockdown. 
Allow members of group 'console' to use tty1 to tty7. Everyone else except
members of group 'console-unrestricted' are restricted from using console
using ancient, unpopular login methods such as using /bin/login over networks,
which might be exploitable. (CVE-2001-0797)

Not enabled by default in this package since this package does not know which
users shall be added to group 'console'.

In new Whonix builds, user 'user" will be added to group 'console' and
pam console-lockdown enabled by package anon-base-files.

/usr/share/pam-configs/console-lockdown

/etc/security/access-security-misc.conf

https://forums.whonix.org/t/etc-security-hardening/8592
 2019-12-07 05:40:20 -05:00
Patrick Schleizer
aa5451c8cd
Lock user accounts after 50 rather than 100 failed login attempts. 
https://forums.whonix.org/t/how-strong-do-linux-user-account-passwords-have-to-be-when-using-full-disk-encryption-fde-too/7698/19
 2019-11-25 01:39:53 -05:00
Patrick Schleizer
03e8023847
output 2019-11-22 14:11:30 -05:00
Patrick Schleizer
2e73c053b5
fix lintian warning 2019-11-09 12:55:00 +00:00
Patrick Schleizer
203d5cfa68
copyright 2019-10-31 11:19:44 -04:00
Patrick Schleizer
1e4d0ea1d0
fix lintian warning 2019-10-21 09:55:05 +00:00
Patrick Schleizer
0ae5c5ff14
remove umask changes since these are causing issues are are not needed anymore 
thanks to home folder permission lockdown

https://forums.whonix.org/t/change-default-umask/7416/45
 2019-08-24 12:14:22 -04:00
Patrick Schleizer
41b2819ec8
PAM: abort on locked password 
to avoid needlessly bumping pam_tally2 counter

https://forums.whonix.org/t/restrict-root-access/7658/1
 2019-08-17 10:33:47 +00:00
Patrick Schleizer
ed90d8b025
change default umask to 027 
as per:

https://forums.whonix.org/t/change-default-umask/7416/47
 2019-08-17 09:55:20 +00:00
Patrick Schleizer
ff9bc1d7ea
informational output during PAM: 
* Show failed and remaining password attempts.
* Document unlock procedure if Linux user account got locked.
* Point out, that there is no password feedback for `su`.
* Explain locked (root) account if locked.
* /usr/share/pam-configs/tally2-security-misc
* /usr/lib/security-misc/pam_tally2-info
 2019-08-15 13:37:28 +00:00
Patrick Schleizer
454e135822
pam_tally2.so even_deny_root 2019-08-15 07:33:41 +00:00
Patrick Schleizer
63b476221c
use requisite rather than required to avoid asking for password needlessly 
if login will fail anyhow
 2019-08-15 07:30:56 +00:00
Patrick Schleizer
8fdc77fed5
output to stdout 2019-08-14 10:33:23 +00:00
Patrick Schleizer
15094cab4f
avoid ' character in usr/share/pam-configs; in description 2019-08-14 09:36:30 +00:00
Patrick Schleizer
97d1945e61
no log needed, informative output to stdout instead 2019-08-14 09:32:58 +00:00
Patrick Schleizer
a085d46c56
change priories so "pam_umask.so usergroups umask=006" runs before pam_exec.so /usr/lib/security-misc/permission-lockdown 2019-08-14 09:31:58 +00:00
Patrick Schleizer
ce06fdf911
formatting 2019-08-14 05:15:53 -04:00
Patrick Schleizer
21489111d1
run permission lockdown during pam 
https://forums.whonix.org/t/change-default-umask/7416
 2019-08-14 08:34:03 +00:00
Patrick Schleizer
52df8dc014
optional pam_umask.so usergroups umask=006 2019-08-14 07:37:21 +00:00
Patrick Schleizer
2f37a66fd0
description 2019-08-11 10:31:29 +00:00
Patrick Schleizer
e83ec79a25
enable usr/share/pam-configs/mkhomedir-security-misc by default 2019-08-11 10:30:51 +00:00