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smfi_setconn(3N)					      smfi_setconn(3N)

NAME
       smfi_setconn()  -  sets the socket for filter to communicate with send‐
       mail

SYNOPSIS
PARAMETERS
       oconn	 Specifies the address of the  desired	communication  socket.
		 The address must be a NULL-terminated string in the following
		 format:

		 Specifies a named pipe.

		 Specifies an IPV4 socket, using either a
		      hostname or an ip-address.

		 Specifies an IPV6 socket, using either a
		      hostname or an ip-address..

DESCRIPTION
       The routine sets the socket through which the filter  must  communicate
       with must be called only once before the function.

   Notes
       Filters	must  not  be  run  as root when communicating over UNIX/local
       domain sockets.

       The permissions for UNIX/local sockets must be set to 0600  (read/write
       permission  only	 for the owner of the socket) or 0660 (read/write per‐
       mission for the owner and group of the socket).	These permissions  are
       useful when the RunAsUser option is used.

       The permissions for a UNIX/local domain socket are determined using the
       the command, which must be set to 007 or 077.

       Some operating systems, such as Solaris, do not use the permissions  of
       the  socket.   Therefore,  place the socket in a protected directory in
       such systems.

RETURN VALUE
       does not fail due to an invalid	address.   The	failure	 can  only  be
       detected in the routine.

AUTHOR
       was developed by the Sendmail Inc.

SEE ASLO
       smfi_main(3N),	       smfi_register(3N),	  smfi_settimeout(3N),
       smfi_opensocket(3N),	  smfi_setbacklog(3N),	      smfi_setdbg(3N),
       smfi_stop(3N).

       on

							      smfi_setconn(3N)

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