diff options
| -rw-r--r-- | share/man/man4/blackhole.4 | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/share/man/man4/blackhole.4 b/share/man/man4/blackhole.4 index 7b86682..2005aab 100644 --- a/share/man/man4/blackhole.4 +++ b/share/man/man4/blackhole.4 @@ -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 |
