path: root/extensions/
diff options
Diffstat (limited to 'extensions/')
1 files changed, 3 insertions, 1 deletions
diff --git a/extensions/ b/extensions/
index 75930f1..909d826 100644
--- a/extensions/
+++ b/extensions/
@@ -23,7 +23,7 @@ The type given can be
.B " icmp6-port-unreachable"
.B " port-unreach"
-which return the appropriate IPv6-ICMP error message (\fBport-unreach\fP is
+which return the appropriate ICMPv6 error message (\fBport-unreach\fP is
the default). Finally, the option
.B tcp-reset
can be used on rules which only match the TCP protocol: this causes a
@@ -31,4 +31,6 @@ TCP RST packet to be sent back. This is mainly useful for blocking
.I ident
(113/tcp) probes which frequently occur when sending mail to broken mail
hosts (which won't accept your mail otherwise).
+.B tcp-reset
+can only be used with kernel versions 2.6.14 or latter.