rpc.rexd, rexd - RPC-based remote execution server


     /usr/sbin/rpc.rexd [-s]


     rpc.rexd is the Sun RPC server for remote program execution.
     This daemon is started by inetd(1M) whenever a remote execu-
     tion request is made.

     For non-interactive programs, the standard file  descriptors
     are  connected directly to TCP connections. Interactive pro-
     grams involve pseudo-terminals, in a fashion that is similar
     to the login sessions provided by rlogin(1). This daemon may
     use NFS to mount file systems specified in the remote execu-
     tion request.


     The following options are supported:

     -s    Secure. When specified, requests must have  valid  DES
           credentials.  If  the  request  does  not  have  a DES
           credential  it  is  rejected.  The  default  publickey
           credential is rejected. Only newer on(1) commands send
           DES credentials.

           If access is denied with an authentication error,  you
           may  have to set your publickey with the chkey(1) com-

           Specifying the -s  option  without  presenting  secure
           credentials  will result in an error message: Unix too
           weak auth (DesONly)!


     rpc.rexd uses pam(3PAM) for account and session  management.
     The  PAM configuration policy, listed through /etc/pam.conf,
     specifies the modules to be used for  rpc.rexd.  Here  is  a
     partial  pam.conf file with rpc.rexd entries for account and
     session management using the UNIX module.

     rpc.rexd   account requisite
     rpc.rexd   account required
     rpc.rexd   account required

     rpc.rexd      session required

     If there are no entries for the rpc.rexd service,  then  the
     entries  for the "other" service will be used. rpc.rexd uses
     the getpwuid() call to determine whether the given user is a
     legal user.


           Pseudo-terminals used for interactive mode

           Authorized users

           Temporary mount points for remote file systems


     See attributes(5) for descriptions of the  following  attri-

    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    | Availability                | SUNWnisu                    |


     chkey(1),   on(1),    rlogin(1),    inetd(1M),    pam(3PAM),
     inetd.conf(4),   pam.conf(4),  publickey(4),  attributes(5),
     pam_authtok_check(5),                    pam_authtok_get(5),
     pam_authtok_store(5),   pam_dhkeys(5),   pam_passwd_auth(5),
     pam_unix(5),     pam_unix_account(5),      pam_unix_auth(5),


     Diagnostic messages are normally printed on the console, and
     returned to the requestor.


     Root cannot execute commands using rexd client programs such
     as on(1).

     The pam_unix(5) module might not be supported  in  a  future
     release.    Similar    functionality    is    provided    by
     pam_authtok_check(5),                    pam_authtok_get(5),
     pam_authtok_store(5),   pam_dhkeys(5),   pam_passwd_auth(5),
     pam_unix_account(5),          pam_unix_auth(5),          and

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