inet6 fixes from jmc@prioris.mini.pw.edu.pl

1 files changed, 22 insertions, 19 deletions

diff --git a/share/man/man4/faith.4 b/share/man/man4/faith.4
index 1e982252873..3b9450bb51f 100644
--- a/share/man/man4/faith.4
+++ b/share/man/man4/faith.4
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: faith.4,v 1.10 2001/06/30 01:05:23 itojun Exp $
+.\"	$OpenBSD: faith.4,v 1.11 2003/01/18 23:53:49 deraadt Exp $
 .\"	$KAME: faith.4,v 1.10 2001/06/30 00:42:48 itojun Exp $
 .\"
 .\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -41,21 +41,22 @@ The
 .Nm
 interface captures IPv6 TCP traffic,
 for implementing userland IPv6-to-IPv4 TCP relay
-like
+similar to
 .Xr faithd 8 .
 .Pp
 Special action will be taken when IPv6 TCP traffic is seen on a router,
-and routing table suggests to route it to
+and the routing table suggests routing it to the
 .Nm
 interface.
 In this case, the packet will be accepted by the router,
-regardless of list of IPv6 interface addresses assigned to the router.
-The packet will be captured by an IPv6 TCP socket, if it has
+regardless of the list of IPv6 interface addresses assigned to the router.
+The packet is captured by an IPv6 TCP socket, if it has the
 .Dv IN6P_FAITH
 flag turned on and it has matching address/port pairs.
-In result,
+Thus,
 .Nm
-will let you capture IPv6 TCP traffic to some specific destination addresses.
+allows captured IPv6 TCP traffic to be relayed to some 
+specific destination addresses.
 Userland programs, such as
 .Xr faithd 8
 can use this behavior to relay IPv6 TCP traffic to IPv4 TCP traffic.
@@ -64,44 +65,46 @@ The program can accept some specific IPv6 TCP traffic, perform
 to get the IPv6 destination address specified by the client,
 and perform application-specific address mapping to relay IPv6 TCP to IPv4 TCP.
 .Pp
+The
 .Dv IN6P_FAITH
-flag on IPv6 TCP socket can be set by using
+flag on an IPv6 TCP socket can be set by using
 .Xr setsockopt 2 ,
-with level equals to
+with level set to
 .Dv IPPROTO_IPV6
-and optname equals to
+and optname set to
 .Dv IPv6_FAITH .
 .Pp
-To handle error reports by ICMPv6, some of ICMPv6 packets routed to
+To handle error reports by ICMPv6, some of the ICMPv6 packets routed to the
 .Nm
 interface will be delivered to IPv6 TCP, as well.
 .Pp
 To understand how
 .Nm
-can be used, take a look at source code of
+can be used, take a look at the source code of
 .Xr faithd 8 .
 .Pp
-As
+As the
 .Nm
-interface implements potentially dangerous operation,
-great care must be taken when configuring
+interface implements a potentially dangerous operation,
+great care must be taken when configuring the
 .Nm
 interface.
-To avoid possible misuse,
+To avoid possible misuse, the
 .Xr sysctl 8
 variable
 .Li net.inet6.ip6.keepfaith
 must be set to
 .Li 1
-prior to the use of the interface.
+prior to use of the interface.
 When
 .Li net.inet6.ip6.keepfaith
 is
 .Li 0 ,
-no packet will be captured by
+no packet is captured by the
 .Nm
 interface.
 .Pp
+The
 .Nm
 interface is intended to be used on routers, not on hosts.
 .\"
@@ -118,5 +121,5 @@ interface is intended to be used on routers, not on hosts.
 .%D June 2001
 .Re
 .Sh HISTORY
-The FAITH IPv6-to-IPv4 TCP relay translator was first appeared in
+The FAITH IPv6-to-IPv4 TCP relay translator first appeared in
 WIDE hydrangea IPv6 stack.