Binand Raj S. saw fit to inform me that:
>Rajesh Fowkar forced the electrons to say:
>> I had installed imap.rpm from Red Hat 6.2 CD. It contains ipop3d server.
>
>Uh oh - therein lies your problem. RedHat and SuSE use different PAM
>configurations.
I did not find any pop3 server on SuSE CD, hence installed imap rpm from Red Hat 6.2.
>> In /etc/pam.d/ there is a file called pop which contained the following :
>> #%PAM-1.0
>> auth required /lib/security/pam_pwdb.so shadow nullok
>> account required /lib/security/pam_pwdb.so
>> I commented the above two lines and restarted inetd and voila now my pop3
>> server is working.
>
>Well, I guess now it is authenticating without any password check. Give a
>wrong password and see if it still authenticates, will you?
No Binand. Giving wrong password does not authenticate ( err-bad login ).
I even tried by giving wrong username. If I give wrong username it asks from the
password,
after putting some xyz password error message ( err - bad login ).
Surprising. Where pop3 does its authentication ? Since I have commented the PAM lines,
it is not using PAM authentication.
>
>> Is pop3 using pam authentication ? I will go through the documentation of
>> PAM. Don't know much about it.
>
>Yes. In fact, PAM has become the de facto standard for authentication in
>Linux nowadays. I am using it for apache and squid authentication as well
>(Not to mention Courier IMAP, Solid POP and ftpd-BSD servers).
>
Do you have any good links on some reading material on PAM authentication ?
>> Why using PAM for authentication fails for pop3 server ?
>
>As I mentioned, cross distro incompatibilities. I'd say for SuSE, a sample
>/etc/pam.d/pop should contain (look in the other files for exact paths):
>
>#%PAM-1.0
>auth required /lib/security/pam_unix.so
>account required /lib/security/pam_unix.so
Now I have put the above lines as given by you in /etc/pam.d/pop. After restarting
inetd now pop3 works fine.
Thanks
--
Rajesh Fowkar
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