Failed Authentication Message Inquiry - Cisco Community
PAM_AUTHINFO_UNAVAIL The modules were not able to access the authentication information. This might be due to a network or hardware failure etc. PAM_MAXTRIES One or more of the authentication modules has reached its limit of tries authenticating the user. Do not try again. Re: PAM authentication failure when attempting to run job 715773 Jan 14, 2010 9:23 AM ( in response to Lai-Oracle ) Thanks for the information, Oracle support came up with this technical note also. Mar 10, 2011 · For example, when saslauthd experiences an auth failure, it logs to /var/log/secure: Mar 9 06:56:41 hostname saslauthd[25858]: pam_unix(smtp:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= When sshd logs a similar failure, it logs: Mar 8 14:02:26 hostname sshd[29059]: pam_unix(sshd:auth): authentication failure; logname Jan 17, 2020 · Debugging is often required to isolate the root cause of PAM authentication failures and to identify the configuration directive that is causing the authentication failure. PAM rejected by account configuration[7]: Authentication failure one of the user can’t login to the system, even you have reset the password, account was not locked by observing the shadow file. [root@stpdb log]# grep abc /etc/shadow
PAM_USER_UNKNOWN The supplied username is not known to the authentication service. PAM_MAXTRIES One or more of the authentication modules has reached its limit of tries authenticating the user. Do not try again. SEE ALSO top pam(3), pam_authenticate(3), pam_sm_setcred(3), pam_strerror(3), PAM(8)
#%PAM-1.0 # This file is auto-generated. # User changes will be destroyed the next time authconfig is run. auth required pam_env.so auth sufficient pam_unix.so nullok try_first_pass auth requisite pam_succeed_if.so uid >= 500 quiet auth sufficient pam_ldap.so use_first_pass auth required pam_deny.so account required pam_access.so account required pam_unix.so broken_shadow account sufficient
Thanks a lot for replying. Here are some updates. I added debug to pam_google_authenticator and this was the debug output. Dec 11 19:55:55 62763fb62f43 sshd[25706]: debug1: sshd version OpenSSH_7.2, OpenSSL 1.0.2g 1 Mar 2016 Dec 11 19:55:55 62763fb62f43 sshd[25706]: debug1: private host key #0: [redacted] Dec 11 19:55:55 62763fb62f43 sshd[25706]: debug1: private host key #1: [redacted] Dec 11
This might be due to a network or hardware failure etc. PAM_SUCCESS. The authentication token was successfully updated. PAM_USER_UNKNOWN. The supplied username is not known to the authentication service. PAM_MAXTRIES. One or more of the authentication modules has reached its limit of tries authenticating the user. Do not try again. Re: sshd[22803]: error: PAM: Authentication failed - has anyone seen this message? when we get that error, it's usually because the password has expired or some other reason that the user may have been deactivated. Description of problem: after upgrading (using yum) from fc3-rawhide to fc4. i can't login. i get login failed ! Version-Release number of selected component (if applicable): i got pam ver 0.79-10 How reproducible: booting the system and trying to login. Steps to Reproduce: 1. 2. 3. Do man pam for more info. #define PAM_AUTH_ERR 9 /* Authentication failure */ #define PAM_AUTHTOKEN_REQD 10 /* Get new auth token from the user */ Thanks a lot for replying. Here are some updates. I added debug to pam_google_authenticator and this was the debug output. Dec 11 19:55:55 62763fb62f43 sshd[25706]: debug1: sshd version OpenSSH_7.2, OpenSSL 1.0.2g 1 Mar 2016 Dec 11 19:55:55 62763fb62f43 sshd[25706]: debug1: private host key #0: [redacted] Dec 11 19:55:55 62763fb62f43 sshd[25706]: debug1: private host key #1: [redacted] Dec 11