深入linux内核 白开水,linux DDoS & CC防护之(一)内核优化

kernel.printk = 4 4 1 7

kernel.panic = 10

kernel.sysrq = 0

kernel.shmmax = 4294967296

kernel.shmall = 4194304

kernel.core_uses_pid = 1

kernel.msgmnb = 65536

kernel.msgmax = 65536

vm.swappiness = 20

vm.dirty_ratio = 80

vm.dirty_background_ratio = 5

fs.file-max = 2097152

net.core.netdev_max_backlog = 262144

net.core.rmem_default = 31457280

net.core.rmem_max = 67108864

net.core.wmem_default = 31457280

net.core.wmem_max = 67108864

net.core.somaxconn = 65535

net.core.optmem_max = 25165824

net.ipv4.neigh.default.gc_thresh1 = 4096

net.ipv4.neigh.default.gc_thresh2 = 8192

net.ipv4.neigh.default.gc_thresh3 = 16384

net.ipv4.neigh.default.gc_interval = 5

net.ipv4.neigh.default.gc_stale_time = 120

net.netfilter.nf_conntrack_max = 10000000

net.netfilter.nf_conntrack_tcp_loose = 0

net.netfilter.nf_conntrack_tcp_timeout_established = 1800

net.netfilter.nf_conntrack_tcp_timeout_close = 10

net.netfilter.nf_conntrack_tcp_timeout_close_wait = 10

net.netfilter.nf_conntrack_tcp_timeout_fin_wait = 20

net.netfilter.nf_conntrack_tcp_timeout_last_ack = 20

net.netfilter.nf_conntrack_tcp_timeout_syn_recv = 20

net.netfilter.nf_conntrack_tcp_timeout_syn_sent = 20

net.netfilter.nf_conntrack_tcp_timeout_time_wait = 10

net.ipv4.tcp_slow_start_after_idle = 0

net.ipv4.ip_local_port_range = 1024 65000

net.ipv4.ip_no_pmtu_disc = 1

net.ipv4.route.flush = 1

net.ipv4.route.max_size = 8048576

net.ipv4.icmp_echo_ignore_broadcasts = 1

net.ipv4.icmp_ignore_bogus_error_responses = 1

net.ipv4.tcp_congestion_control = htcp

net.ipv4.tcp_mem = 65536 131072 262144

net.ipv4.udp_mem = 65536 131072 262144

net.ipv4.tcp_rmem = 4096 87380 33554432

net.ipv4.udp_rmem_min = 16384

net.ipv4.tcp_wmem = 4096 87380 33554432

net.ipv4.udp_wmem_min = 16384

net.ipv4.tcp_max_tw_buckets = 1440000

net.ipv4.tcp_tw_recycle = 0

net.ipv4.tcp_tw_reuse = 1

net.ipv4.tcp_max_orphans = 400000

net.ipv4.tcp_window_scaling = 1

net.ipv4.tcp_rfc1337 = 1

net.ipv4.tcp_syncookies = 1

net.ipv4.tcp_synack_retries = 1

net.ipv4.tcp_syn_retries = 2

net.ipv4.tcp_max_syn_backlog = 16384

net.ipv4.tcp_timestamps = 1

net.ipv4.tcp_sack = 1

net.ipv4.tcp_fack = 1

net.ipv4.tcp_ecn = 2

net.ipv4.tcp_fin_timeout = 10

net.ipv4.tcp_keepalive_time = 600

net.ipv4.tcp_keepalive_intvl = 60

net.ipv4.tcp_keepalive_probes = 10

net.ipv4.tcp_no_metrics_save = 1

net.ipv4.ip_forward = 0

net.ipv4.conf.all.accept_redirects = 0

net.ipv4.conf.all.send_redirects = 0

net.ipv4.conf.all.accept_source_route = 0

net.ipv4.conf.all.rp_filter = 1

如果文章对你有帮助,欢迎点击上方按钮打赏作者

原文链接:https://blog.csdn.net/weixin_30696613/article/details/116644252?ops_request_misc=&request_id=1abb036c7ce94244b4621408ba62209b&biz_id=&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~koosearch~default-2-116644252-null-null.268%5Ev1%5Econtrol&utm_term=cc%E9%98%B2%E6%8A%A4

原创文章,作者:优速盾-小U,如若转载,请注明出处:https://www.cdnb.net/bbs/archives/21238

(0)
上一篇 2023年11月3日
下一篇 2023年11月3日

相关推荐

发表回复

您的电子邮箱地址不会被公开。 必填项已用*标注

优速盾注册领取大礼包www.cdnb.net
/sitemap.xml