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- Do not claim that ipfw is the only firewall package available

Browse Source 
in FreeBSD.

Approved by: trhodes (mentor), keramida (mentor)
This commit is contained in:
Daniel Gerzo 2007-01-01 21:16:42 +00:00
parent e2ad49199c
commit 76de453c69
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=165721
1 changed files with 8 additions and 7 deletions
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15
share/man/man4/blackhole.4
View File

@ -12,7 +12,7 @@
.\"
.\"
.\" $FreeBSD$
.Dd August 17, 1999
.Dd January 1, 2007
.Dt BLACKHOLE 4
.Os
.Sh NAME
@ -58,12 +58,11 @@ It could potentially also slow down someone who is attempting a denial
of service attack.
.Sh WARNING
The TCP and UDP blackhole features should not be regarded as a replacement
for
.Xr ipfw 8
as a tool for firewalling a system.
In order to create a highly secure system,
.Xr ipfw 8
should be used for protection, not the blackhole feature.
for firewall solutions.
Better security would consist of the
.Nm
.Xr sysctl 8
MIB used in conjuction with one of the available firewall packages.
.Pp
This mechanism is not a substitute for securing a system.
It should be used together with other security mechanisms.
@ -71,7 +70,9 @@ It should be used together with other security mechanisms.
.Xr ip 4 ,
.Xr tcp 4 ,
.Xr udp 4 ,
.Xr ipf 8 ,
.Xr ipfw 8 ,
.Xr pfctl 8 ,
.Xr sysctl 8
.Sh HISTORY
The TCP and UDP