# Kernel sysctl configuration file
#
# For binary values, 0 is disabled, 1 is enabled.  See sysctl(8) and
# sysctl.conf(5) for more details.

# Disables IP dynaddr
net.ipv4.ip_dynaddr = 0
# Disable ECN
net.ipv4.tcp_ecn = 0
# Controls source route verification
net.ipv4.conf.default.rp_filter = 1

# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0

# Controls the System Request debugging functionality of the kernel
#kernel.sysrq = 0

# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1

# If you set this variable to 1 then cd tray will close automatically when the 
# cd drive is being accessed.
# Setting this to 1 is not advised when supermount is enabled
# (as it has been known to cause problems)
dev.cdrom.autoclose=1
# removed to fix some digital extraction problems 
# dev.cdrom.check_media=1

# to be able to eject via the device eject button (magicdev)
dev.cdrom.lock=0

# Disable netfilter on bridges.
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0