D.	Network diagram
====================================================

		     /-------------------\
		     |			 |
		     |	   MASQ host	 |
		     |			 |	(10.0.0.x)
	Outside------=I/F 0		 |
		     |(198.xxx.yyy.zzz)	 |
       (0.0.0.0)     |			 |
		     |		    I/F 1=-----+------host3
		     |	       (10.0.0.2)|     |     (10.0.0.3)
		     |			 |     |
		     |========+==========|     |
		     | SSH    | (TELNET) |     +------host4
		     |	      |	   (FTP) |     |     (10.0.0.4)
		     |	      |	     SSH |     |
		     |	      |	 Console |     |
		     |	      |		 |     +------host5
		     |========+==========|     |     (10.0.0.5)
		     | Does not run:	 |     |
		     |			 |     |
		     |	sendmail -bd	 |     +------host6
		     |	POP3		 |     |     (10.0.0.6)
		     |	IMAP4		 |     |
		     |	DNS for outside	 |     |
		     |	FTP for outside	 |     +------host7
		     |	HTTP for outside |     |     (10.0.0.7)
		     | TELNET for outside|     |
		     |			 |     |
		     |			 |     +------host8
		     |			 |     |     (10.0.0.8)
		     \-------------------/


(COLUG9810 Ex1)