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-rw-r--r--cf/conf/config.xml35
1 files changed, 35 insertions, 0 deletions
diff --git a/cf/conf/config.xml b/cf/conf/config.xml
index a44cb41..118da50 100644
--- a/cf/conf/config.xml
+++ b/cf/conf/config.xml
@@ -6,6 +6,41 @@
<theme>nervecenter</theme>
<sysctl>
<item>
+ <desc>Drop packets to closed TCP ports without returning a RST</desc>
+ <tunable>net.inet.tcp.blackhole</tunable>
+ <value>2</value>
+ </item>
+ <item>
+ <desc>Do not send ICMP port unreachable messages for closed UDP ports</desc>
+ <tunable>net.inet.udp.blackhole</tunable>
+ <value>1</value>
+ </item>
+ <item>
+ <desc>Randomize the ID field in IP packets (default is 0: sequential IP IDs)</desc>
+ <tunable>net.inet.ip.random_id</tunable>
+ <value>1</value>
+ </item>
+ <item>
+ <desc>Drop SYN-FIN packets (breaks RFC1379, but nobody uses it anyway)</desc>
+ <tunable>net.inet.tcp.drop_synfin</tunable>
+ <value>1</value>
+ </item>
+ <item>
+ <desc>Disable sending IPv4 redirects</desc>
+ <tunable>net.inet.ip.redirect</tunable>
+ <value>0</value>
+ </item>
+ <item>
+ <desc>Disable sending IPv6 redirects</desc>
+ <tunable>net.inet6.ip6.redirect</tunable>
+ <value>0</value>
+ </item>
+ <item>
+ <desc>Generate SYN cookies for outbound SYN-ACK packets</desc>
+ <tunable>net.inet.tcp.syncookies</tunable>
+ <value>1</value>
+ </item>
+ <item>
<desc>Maximum incoming/outgoing TCP datagram size (receive)</desc>
<tunable>net.inet.tcp.recvspace</tunable>
<value>65228</value>
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