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Dima Dorfman 2001-08-09 07:21:45 +00:00
parent d11f41b8c5
commit 11f46b8e37
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=10264
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51
en_US.ISO8859-1/books/faq/book.sgml
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@ -17,7 +17,7 @@
<corpauthor>The FreeBSD Documentation Project</corpauthor>
<pubdate>$FreeBSD: doc/en_US.ISO8859-1/books/faq/book.sgml,v 1.248 2001/08/09 07:19:11 dd Exp $</pubdate>
<pubdate>$FreeBSD: doc/en_US.ISO8859-1/books/faq/book.sgml,v 1.249 2001/08/09 07:20:16 dd Exp $</pubdate>
<copyright>
<year>1995</year>
@ -3623,12 +3623,14 @@ quit</programlisting>
but the activity that the compiler is carrying out changes
each time.</para>
<para>For example, suppose you are running <quote>make buildworld</quote>, and
the compile fails while trying to compile <filename>ls.c</filename> in to <filename>ls.o</filename>. If
you then run <quote>make buildworld</quote> again, and the compile fails in
the same place then this is a broken build -- try updating your
sources and try again. If the compile fails elsewhere then this
is almost certainly hardware.</para>
<para>For example, suppose you are running <quote>make
buildworld</quote>, and the compile fails while trying to
compile <filename>ls.c</filename> in to
<filename>ls.o</filename>. If you then run <quote>make
buildworld</quote> again, and the compile fails in the same
place then this is a broken build -- try updating your sources
and try again. If the compile fails elsewhere then this is
almost certainly hardware.</para>
<para>What you should do:</para>
@ -7074,12 +7076,13 @@ define(`confDELIVERY_MODE',`deferred')dnl</programlisting>
<screen>&prompt.root; <userinput>sysctl kern.securelevel</userinput></screen>
<para>You cannot lower the security level; you have to boot
to single mode to install the kernel, or change the
security level in <filename>/etc/rc.conf</filename> then reboot. See
the &man.init.8; man page for details on securelevel, and
see <filename>/etc/defaults/rc.conf</filename> and the
&man.rc.conf.5; man page for more information on rc.conf.</para>
<para>You cannot lower the security level; you have to boot to
single mode to install the kernel, or change the security
level in <filename>/etc/rc.conf</filename> then reboot. See
the &man.init.8; man page for details on securelevel, and see
<filename>/etc/defaults/rc.conf</filename> and the
&man.rc.conf.5; man page for more information on
rc.conf.</para>
</answer>
</qandaentry>
@ -9740,17 +9743,17 @@ ATDT1234567</programlisting>
<literal>iface</literal>.</para>
<para>The problem was that when that initial program calls
&man.connect.2;, the IP number of the tun interface is
assigned to the socket endpoint. The kernel creates the first
outgoing packet and writes it to the tun device.
<application>ppp</application> then reads the packet and establishes a
connection. If, as a result of
<application>ppp</application>'s dynamic IP assignment, the interface
address is changed, the original socket endpoint will be
invalid. Any subsequent packets sent to the peer will usually
be dropped. Even if they are not, any responses will not route
back to the originating machine as the IP number is no longer
owned by that machine.</para>
&man.connect.2;, the IP number of the tun interface is assigned
to the socket endpoint. The kernel creates the first outgoing
packet and writes it to the tun device.
<application>ppp</application> then reads the packet and
establishes a connection. If, as a result of
<application>ppp</application>'s dynamic IP assignment, the
interface address is changed, the original socket endpoint will
be invalid. Any subsequent packets sent to the peer will
usually be dropped. Even if they are not, any responses will
not route back to the originating machine as the IP number is
no longer owned by that machine.</para>
<para>There are several theoretical ways to approach this
problem. It would be nicest if the peer would re-assign the