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securite_kernel [2024/04/10 10:58] 114.119.132.122 old revision restored (2024/03/19 15:23) |
securite_kernel [2024/04/28 06:44] 3.131.110.169 old revision restored (2021/11/12 04:07) |
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Options kernels à utiliser pour restreindre des comportements de routage, ICMP... inutiles à proposer. | Options kernels à utiliser pour restreindre des comportements de routage, ICMP... inutiles à proposer. | ||
- | Backuper le fichier original mais ne pas le modifier. | ||
< | < | ||
cp -p sysctl.conf sysctl.conf.orig | cp -p sysctl.conf sysctl.conf.orig | ||
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< | < | ||
- | vi /etc/sysctl.d/custom.conf | + | vi / |
</ | </ | ||
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net.ipv4.conf.all.rp_filter = 1 | net.ipv4.conf.all.rp_filter = 1 | ||
net.ipv4.tcp_syncookies = 1 | net.ipv4.tcp_syncookies = 1 | ||
- | net.ipv4.ip_forward = 1 #Inclus la ligne suivante : net.ipv4.conf.docker0.forwarding = 1 | + | net.ipv4.ip_forward = 0 #Inclus la ligne suivante : net.ipv4.conf.docker0.forwarding = 0 |
net.ipv6.conf.all.forwarding=0 | net.ipv6.conf.all.forwarding=0 | ||
net.ipv4.conf.all.accept_redirects = 0 | net.ipv4.conf.all.accept_redirects = 0 |