stuff in /var/log/messages

[Adrian Buxton <abuxton internal ozemail com au>]

hi there

this is appearing in /var/log/messages

Sep 12 07:01:00 merlin PAM_pwdb[12018]: (su) session opened for user news by
(uid=9)
Sep 12 07:01:00 merlin PAM_pwdb[12018]: (su) session closed for user news
Sep 12 08:01:00 merlin PAM_pwdb[12308]: (su) session opened for user news by
(uid=9)
Sep 12 08:01:01 merlin PAM_pwdb[12308]: (su) session closed for user news
Sep 12 09:01:00 merlin PAM_pwdb[12598]: (su) session opened for user news by
(uid=9)
Sep 12 09:01:01 merlin PAM_pwdb[12598]: (su) session closed for user news
Sep 12 10:01:01 merlin PAM_pwdb[12888]: (su) session opened for user news by
(uid=9)
Sep 12 10:01:01 merlin PAM_pwdb[12888]: (su) session closed for user news
Sep 12 11:01:00 merlin PAM_pwdb[13178]: (su) session opened for user news by
(uid=9)
Sep 12 11:01:01 merlin PAM_pwdb[13178]: (su) session closed for user news
Sep 12 12:01:00 merlin PAM_pwdb[13468]: (su) session opened for user news by
(uid=9)
Sep 12 12:01:01 merlin PAM_pwdb[13468]: (su) session closed for user news
Sep 12 13:01:00 merlin PAM_pwdb[13758]: (su) session opened for user news by
(uid=9)

alot!

netstat -an | grep 119 returns nothing.. so something odd is going on..
How what and why are my main questions here :) This is a 5.2 system, if that
makes much difference.

Anyhelp as usual would be appreciated!

Ta
Adrian