#
# .etc.sysctl.conf - Configuration file for setting system variables
# See sysctl.conf (5) for information.
#
#kernel.domainname = example.com

# Ignore 'ICMP Redirects' message
net.ipv4.conf.all.accept_redirects=0

# Ignore 'ICMP Echo Request' message
net.ipv4.icmp_echo_ignore_broadcasts=1
net.ipv4.icmp_echo_ignore_all=1

# Ignore 'ICMP Bogus Repsonse' message
net.ipv4.icmp_ignore_bogus_error_responses=1

# Interdire 'Source Routing'
net.ipv4.conf.all.accept_source_route=0

# Surveiller 'martians' (adresse source falsifiée ou non routable)
net.ipv4.conf.all.log_martians=1

# Se protéger de l'IP Spoofing' (vol d'adresse IP)
net.ipv4.conf.all.rp_filter=1

# Se protéger des attaques 'SYN Flood'
net.ipv4.tcp_syncookies=1