Add the ability to detect when a defined number of unsuccessful authentication attempts occurs and take some corrective action.
There is at least one user account that cannot be disabled.
FIA_AFL.1
We can use pam_faillock for it
https://manpages.debian.org/bullseye/libpam-modules/pam_faillock.8.en.html
https://manpages.debian.org/bullseye/libpam-modules/faillock.conf.5.en.html
Description
Description
Details
Details
- Version
- 1.4
- Is it a breaking change?
- Perfectly compatible
- Issue type
- Feature (new functionality)
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| In progress | FEATURE REQUEST | None | T4712 Collaborative Protection Profile cPP for Network Devices root task | ||
| Open | FEATURE REQUEST | None | T4755 Configure unsuccessful logon attempts |
Event Timeline
Comment Actions
Tested with next configuration:
vyos@r14:~$ sudo cat /etc/pam.d/common-auth auth required pam_env.so auth required pam_faillock.so preauth silent audit deny=3 unlock_time=300 auth sufficient pam_unix.so nullok try_first_pass auth [default=die] pam_faillock.so authfail audit deny=3 unlock_time=300 auth requisite pam_succeed_if.so uid >= 1000 quiet_success auth required pam_deny.so vyos@r14:~$
vyos@r14:~$ sudo faillock --user foo foo: When Type Source Valid 2022-10-18 12:11:34 RHOST 192.168.122.1 V 2022-10-18 12:11:36 RHOST 192.168.122.1 V 2022-10-18 12:11:38 RHOST 192.168.122.1 V vyos@r14:~$