radius to pam with 2FA from duo
Andrew Meyer
andrewm659 at yahoo.com
Fri Jul 26 18:55:51 CEST 2019
Hello,
I am trying to get FreeRADIUS working with 2FA. I have it mostly setup. I can see in the debug output that saying my user exists in the system. However I'm still getting Access-Reject from my client.
Here is the output from FreeRADIUS (using the FreeRADIUS repo):0) Received Access-Request Id 98 from 10.150.1.190:37142 to 10.150.1.153:1812 length 92
(0) User-Name = "test"
(0) User-Password = "Password!1234"
(0) NAS-IP-Address = 10.150.1.190
(0) NAS-Port = 0
(0) Message-Authenticator = 0xef25474df3491218de56a2d8874cfe47
(0) # Executing section authorize from file /etc/raddb/sites-enabled/default
(0) authorize {
(0) policy filter_username {
(0) if (&User-Name) {
(0) if (&User-Name) -> TRUE
(0) if (&User-Name) {
(0) if (&User-Name =~ / /) {
(0) if (&User-Name =~ / /) -> FALSE
(0) if (&User-Name =~ /@[^@]*@/ ) {
(0) if (&User-Name =~ /@[^@]*@/ ) -> FALSE
(0) if (&User-Name =~ /\.\./ ) {
(0) if (&User-Name =~ /\.\./ ) -> FALSE
(0) if ((&User-Name =~ /@/) && (&User-Name !~ /@(.+)\.(.+)$/)) {
(0) if ((&User-Name =~ /@/) && (&User-Name !~ /@(.+)\.(.+)$/)) -> FALSE
(0) if (&User-Name =~ /\.$/) {
(0) if (&User-Name =~ /\.$/) -> FALSE
(0) if (&User-Name =~ /@\./) {
(0) if (&User-Name =~ /@\./) -> FALSE
(0) } # if (&User-Name) = notfound
(0) } # policy filter_username = notfound
(0) [preprocess] = ok
(0) [chap] = noop
(0) [mschap] = noop
(0) [digest] = noop
(0) suffix: Checking for suffix after "@"
(0) suffix: No '@' in User-Name = "test", looking up realm NULL
(0) suffix: No such realm "NULL"
(0) [suffix] = noop
(0) eap: No EAP-Message, not doing EAP
(0) [eap] = noop
(0) files: Failed resolving GID: No error
(0) files: users: Matched entry DEFAULT at line 70
(0) [files] = ok
(0) [expiration] = noop
(0) [logintime] = noop
Not doing PAP as Auth-Type is already set.
(0) [pap] = noop
(0) } # authorize = ok
(0) Found Auth-Type = pam
(0) # Executing group from file /etc/raddb/sites-enabled/default
(0) authenticate {
(0) pam: Using pamauth string "radiusd" for pam.conf lookup
(0) pam: ERROR: pam_authenticate failed: Error in service module
(0) [pam] = reject
(0) } # authenticate = reject
(0) Failed to authenticate the user
(0) Using Post-Auth-Type Reject
(0) # Executing group from file /etc/raddb/sites-enabled/default
(0) Post-Auth-Type REJECT {
(0) attr_filter.access_reject: EXPAND %{User-Name}
(0) attr_filter.access_reject: --> test
(0) attr_filter.access_reject: Matched entry DEFAULT at line 11
(0) [attr_filter.access_reject] = updated
(0) [eap] = noop
(0) policy remove_reply_message_if_eap {
(0) if (&reply:EAP-Message && &reply:Reply-Message) {
(0) if (&reply:EAP-Message && &reply:Reply-Message) -> FALSE
(0) else {
(0) [noop] = noop
(0) } # else = noop
(0) } # policy remove_reply_message_if_eap = noop
(0) } # Post-Auth-Type REJECT = updated
(0) Delaying response for 1.000000 seconds
Waking up in 0.3 seconds.
Waking up in 0.6 seconds.
(0) Sending delayed response
(0) Sent Access-Reject Id 98 from 10.150.1.153:1812 to 10.150.1.190:37142 length 20
Waking up in 3.9 seconds.
(0) Cleaning up request packet ID 98 with timestamp +38
Ready to process requests
Here is my radiusd pam configuration
[root at radius01 ~]# cat /etc/pam.d/radiusd
#%PAM-1.0
#auth include password-auth
auth requisite pam_duo.so forward_pass
account required pam_nologin.so
account include password-auth
password include password-auth
session include password-auth
[root at radius01 ~]#
[test at console02 ~]$ radtest test Password!1234123456 10.150.1.153 0 password!
Sent Access-Request Id 98 from 0.0.0.0:37142 to 10.150.1.153:1812 length 92
User-Name = "test"
User-Password = "Password!1234123456"
NAS-IP-Address = 10.150.1.190
NAS-Port = 0
Message-Authenticator = 0x00
Cleartext-Password = "Password!1234123456"
Received Access-Reject Id 98 from 10.150.1.153:1812 to 0.0.0.0:0 length 20
(0) -: Expected Access-Accept got Access-Reject
[test at console02 ~]$
Should I have changed the radius pam config file? Should I have changed the password-auth config file instead? Eventually I want this work with SSH.
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