pow.3: Minor tweak to BUGS

[thirdparty/man-pages.git] / man7 / icmp.7

diff --git a/man7/icmp.7 b/man7/icmp.7
index 2f9d37027e6e2e6b490162d5c9f6b68382b4ccce..3722839cbc9de94103ccfa25a4a118d5bb870ca7 100644 (file)
--- a/man7/icmp.7
+++ b/man7/icmp.7
@@ -9,7 +9,7 @@
 .\"
 .\" $Id: icmp.7,v 1.6 2000/08/14 08:03:45 ak Exp $
 .\"
-.TH ICMP 7 2012-05-10 "Linux" "Linux Programmer's Manual"
+.TH ICMP 7 2017-11-26 "Linux" "Linux Programmer's Manual"
 .SH NAME
 icmp \- Linux IPv4 ICMP kernel module.
 .SH DESCRIPTION
@@ -32,7 +32,7 @@ The types of ICMP packets passed to the socket can be filtered using the
 socket option.
 ICMP packets are always processed by the kernel too, even
 when passed to a user socket.
-.LP
+.PP
 Linux limits the rate of ICMP error packets to each destination.
 .B ICMP_REDIRECT
 and
@@ -85,13 +85,13 @@ packets.
 .\" The following taken from 2.6.28-rc4 Documentation/networking/ip-sysctl.txt
 If disabled, ICMP error messages are sent with the primary address of
 the exiting interface.
-
+.IP
 If enabled, the message will be sent with the primary address of
 the interface that received the packet that caused the ICMP error.
 This is the behavior that many network administrators will expect from
 a router.
 And it can make debugging complicated network layouts much easier.
-
+.IP
 Note that if no primary address exists for the interface selected,
 then the primary address of the first non-loopback interface that
 has one will be used regardless of this setting.
@@ -122,14 +122,13 @@ otherwise the minimum space between responses in milliseconds.
 .IR icmp_ratemask " (integer; default: see below; since Linux 2.4.10)"
 .\" The following taken from 2.6.28-rc4 Documentation/networking/ip-sysctl.txt
 Mask made of ICMP types for which rates are being limited.
-
+.IP
 Significant bits: IHGFEDCBA9876543210
 .br
 Default mask:     0000001100000011000 (0x1818)
-
+.IP
 Bit definitions (see the Linux kernel source file
 .IR include/linux/icmp.h ):
-
 .RS 12
 .TS
 l l.
@@ -148,7 +147,7 @@ H Address Mask Request
 I Address Mask Reply
 .TE
 .RE
-
+.PP
 The bits marked with an asterisk are rate limited by default
 (see the default mask above).
 .TP
@@ -160,8 +159,9 @@ These packets are
 sent to prevent loops when a packet has crossed too many hops.
 .TP
 .IR ping_group_range " (two integers; default: see below; since Linux 2.6.39)"
-Range of group IDs (minimum and maximum group IDs, inclusive)
-allowed to create ICMP Echo sockets.  Default is "1 0", which
+Range of the group IDs (minimum and maximum group IDs, inclusive)
+that are allowed to create ICMP Echo sockets.
+The default is "1 0", which
 means no group is allowed to create ICMP Echo sockets.
 .SH VERSIONS
 Support for the
@@ -194,6 +194,7 @@ This raw socket may appear in
 .BR netstat (8)
 output with a zero inode.
 .SH SEE ALSO
-.BR ip (7)
+.BR ip (7),
+.BR rdisc (8)
 .PP
 RFC\ 792 for a description of the ICMP protocol.