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On Tue, 18 May 1999, Andrew Brown wrote:

>...except that identd persists, ie, it's marked as a "wait" service in
>inetd.conf.  when an inbound connection is noticed by inetd, inetd
>just forks off identd with stdin/stdout connected to the listening
>socket, not the connected socket.  identd handles the connect itself.
>then it waits around and handles a few more if they arrive before it
>decides to die.  so you only get access control for the first allowed
>connection for whatever period you decide to declare in inetd.conf.

Not necessarily.  This is the behavior if you start identd with `wait'
in inetd.conf, and use the `-w' flag.  identd can also be run with
`nowait' if it is started without `-w' or with the `-i' flag.  From the
man page:

       The  -i  flag,  which  is the default mode, should be used
       when starting the daemon  from  inetd  with  the  "nowait"
       option  in the /etc/inetd.conf file. Use of this mode will
       make inetd start one identd  daemon  for  each  connection
       request.

There is a strong argument that the (commented out) identd line in
src/etc/inetd.conf should use `nowait' -- if no one objects, I'll change
it.
	
>   #!/usr/local/bin/perl
>   ($_=<>);
>   ($mine,$your)=(/(\d+)/g);
>   print("$your , $mine : USERID : UNIX :george\r\n");
>
>this is my identd, which runs as a "nowait" service.  the problem is,
>of course, that it will hang if the "client" to identd doesn't say
>anything.  :)

Yup.  Also, it's not clear to me that the perl interpreter is any
lighter weight than identd -L's fast path, when identd is started
nowait.  Same goal - different way of getting there.  :)

- -- 
				Jim Wise
				jwise@draga.com

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