Bug 1855095
| Summary: | PasswordAuthentication not being used properly | ||
|---|---|---|---|
| Product: | [Fedora] Fedora Documentation | Reporter: | Patrick Johnston <linux.pjohnston> |
| Component: | system-administrator's-guide | Assignee: | Petr Bokoc <pbokoc> |
| Status: | POST --- | QA Contact: | Fedora Docs QA <docs-qa> |
| Severity: | low | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | devel | CC: | crypto-team, dhensley, dwalsh, jfch, jhradile, jjelen, lkundrak, mattias.ellert, plautrba, swadeley, tmraz, zach |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | Bug | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
That sounds like a documentation issue. Please, update the bug with the appropriate documentation where you found this note. The sshd_config now uses drop-in directory and /etc/ssh/sshd_config.d/50-redhat.conf, which is loaded before anything you modify in sshd_config directly. Suggested solution is not to modify shipped configuration file, but create your own file /etc/ssh/sshd_config.d/30-local.conf (for example), which will get loaded before the distribution defaults. https://docs.fedoraproject.org/en-US/fedora/f32/system-administrators-guide/infrastructure-services/OpenSSH/ This is the documentation that I was referring to previously. And thank you for the suggested solution, have already made correction and now is working as intended. Thanks. Reassigned to the correct guide. I will try to get it updated accordingly. I filled the PR fixing several more issues that I noticed in the SSH section of the guide: https://pagure.io/fedora-docs/system-administrators-guide/pull-request/54 Review and feedback welcomed. |
Description of problem: So as per the F32 Docs in order to disable Password Authentication, you edit sshd_config and set PasswordAuthentication no Then you restart sshd However, after restart if you issue ssh username@host -o PubkeyAuthentication=no from client to verify that password authentication is disabled, you still are prompted to enter password. Version-Release number of selected component (if applicable): openssh-server.x86_64 8.3p1-3.fc32 How reproducible: Can reproduce on fresh installs on both bare metal and VMs Steps to Reproduce: 1. vim sshd_config and set PasswordAuthentication no 2. systemctl restart sshd 3. (from client) ssh username@host -o PubkeyAuthentication=no Actual results: Prompts for password authentication Expected results: Should get on client this prompt username@host: Permission denied (publickey,gssapi-keyex,gssapi-with-mic). Additional info: I did find a workaround. If you edit sshd_config with following Match User username PasswordAuthentication no Then you obtain expected results, but that means on multi-user system would have to edit sshd_config everytime you add users