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@Kuzmenko-Pavel
Last active July 16, 2025 16:42
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#IPv6
#Отключили ipv6
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.all.forwarding=0
net.ipv6.conf.all.accept_redirects = 0
net.ipv6.conf.all.accept_source_route = 0
#IPv4
#OLD
net.ipv4.route.flush=1
#Не принимать и не отправлять ICMP-пакеты перенаправления
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
#Активируем защиту от IP-спуфинга.
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.lo.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.lo.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
#Защита от TCP SYN Cookie
net.ipv4.tcp_syncookies=1
#Отключаем форвард
net.ipv4.ip_forward=0
net.ipv4.conf.all.forwarding=0
#Определяет максимальное число допустимых в системе сокетов TCP, не связанных каким-либо идентификатором
net.ipv4.tcp_max_orphans = 65536
#Время сохранения сокета в состоянии FIN-WAIT-2 после его закрытия локальной стороной
net.ipv4.tcp_fin_timeout = 20
#Разрешаем динамическое изменение размера окна TCP стека
net.ipv4.tcp_rfc1337 = 1
#Keepalive
net.ipv4.tcp_keepalive_time = 120
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp_keepalive_probes = 5
#Порт и алгоритм
net.ipv4.tcp_congestion_control = htcp
net.ipv4.ip_local_port_range = 1024 65535
#TUNE TCP/IP
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_fastopen=3
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_timestamps = 1
net.ipv4.tcp_sack = 1
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_slow_start_after_idle=0
net.ipv4.tcp_mem = 50576 64768 98152
net.ipv4.tcp_rmem = 4096 65536 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
net.core.wmem_default = 65536
net.core.rmem_default = 65536
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 65535
net.core.somaxconn = 65535
net.ipv4.tcp_max_syn_backlog=8192
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_max_tw_buckets = 720000
net.ipv4.tcp_orphan_retries = 1
net.netfilter.nf_conntrack_max = 2048576
net.nf_conntrack_max = 2048576
net.core.dev_weight=256
#Число открытых файлов
fs.file-max = 1000000
#Выделение памяти
#vm.overcommit_memory=2
vm.overcommit_memory=0
vm.dirty_background_ratio = 10
vm.dirty_ratio = 40
vm.swappiness=30
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