Module Name: src
Committed By: sevan
Date: Tue Aug 7 22:55:47 UTC 2018
Modified Files:
src/usr.sbin/npf/npfd: npfd.8
Log Message:
Simplify the description of npfd, default npflog interface & pcap file are
covered later.
Move advise regarding offline analysis to the CAVEATS section.
To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/usr.sbin/npf/npfd/npfd.8
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.sbin/npf/npfd/npfd.8
diff -u src/usr.sbin/npf/npfd/npfd.8:1.4 src/usr.sbin/npf/npfd/npfd.8:1.5
--- src/usr.sbin/npf/npfd/npfd.8:1.4 Tue Aug 7 22:02:08 2018
+++ src/usr.sbin/npf/npfd/npfd.8 Tue Aug 7 22:55:47 2018
@@ -1,4 +1,4 @@
-.\" $NetBSD: npfd.8,v 1.4 2018/08/07 22:02:08 sevan Exp $
+.\" $NetBSD: npfd.8,v 1.5 2018/08/07 22:55:47 sevan Exp $
.\" $OpenBSD: pflogd.8,v 1.35 2007/05/31 19:19:47 jmc Exp $
.\"
.\" Copyright (c) 2001 Can Erkin Acar. All rights reserved.
@@ -43,24 +43,16 @@
.Op Ar expression
.Sh DESCRIPTION
.Nm
-is a background daemon which reads packets logged by
+is a background daemon which writes to a file in
+.Xr pcap 3
+format logged packets read from an npflog interface.
+The npflog interface is used by
.Xr npf 7
-to an
-.\" .Xr npflog 4
-npflog
-interface, normally
-.Pa npflog0 ,
-and writes the packets to a logfile (normally
-.Pa /var/log/npflog0.pcap )
-in
+to log packets as defined in
+.Xr npf.conf 5 .
+The generated
.Xr pcap 3
-format, which can be read by
-.Xr tcpdump 8 .
-These logs can be reviewed later using the
-.Fl r
-option of
-.Xr tcpdump 8 ,
-hopefully offline in case there are bugs in the packet parsing code of
+files can then be analysed using tools such as
.Xr tcpdump 8 .
.Pp
.Nm
@@ -260,3 +252,7 @@ command appeared in
.Sh AUTHORS
This manual page was written by
.An Can Erkin Acar Aq Mt cana...@openbsd.org .
+.Sh CAVEATS
+Offline analysis of captured data is advised to alleviate issues with
+malicious data intended to exploit bugs in the packet parsing code of
+.Xr tcpdump 8 .
