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From: "Lin, Tsung Ching" <tclin@iis.sinica.edu.tw>
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Organization: Institue of Information Science, Academia Sinica
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Date: 13 Jun 2003 22:24:51 +0800
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Subject: rpc.yppasswdd failed in FreeBSD 5.1
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hello, 
I setup a NIS Master in FreeBSD 5.1 release, and it works.
I also startup rpc.yppasswdd.
When I wnat to change a user's passwd using yppasswd, it failed.

root# passwd testuser
Changing NIS password for testuser
Old Password:
New Password:
Retype New Password:
passwd: pam_chauthtok(): error in service module
Jun 13 22:22:24 abcb passwd: in pam_sm_chauthtok(): yppasswd_local():
failed to connect to rpc.yppasswdd: xxxx.xxx.xxx.xxx: RPC: Program not
registered

I had set hosts.allow for rpcbind and ypserv to allow accessing.
please help me to solve this.
thank you.

Tsung Ching Lin