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--- en:dpi:faq:ddos_faq:ddos_os_parameters [2020/04/21 14:21] – lexx26
+++ en:dpi:faq:ddos_faq:ddos_os_parameters [2024/07/29 12:35] (current) – removed elena.krasnobryzh
@@ Line 1: / Line 1: @@
-====== 1 Optimization OS network stack settings for the Web servers ======
-{{indexmenu_n>1}}
-# The web server OS network stack optimization
-<code bash>
-net.core.netdev_max_backlog=10000
-net.core.somaxconn=262144
-net.ipv4.tcp_syncookies=1
-net.ipv4.tcp_max_syn_backlog = 262144
-net.ipv4.tcp_max_tw_buckets = 720000
-net.ipv4.tcp_tw_recycle = 1
-net.ipv4.tcp_timestamps = 1
-net.ipv4.tcp_tw_reuse = 1
-net.ipv4.tcp_fin_timeout = 30
-net.ipv4.tcp_keepalive_time = 1800
-net.ipv4.tcp_keepalive_probes = 7
-net.ipv4.tcp_keepalive_intvl = 30
-net.core.wmem_max = 33554432
-net.core.rmem_max = 33554432
-net.core.rmem_default = 8388608
-net.core.wmem_default = 4194394
-net.ipv4.tcp_rmem = 4096 8388608 16777216
-net.ipv4.tcp_wmem = 4096 4194394 16777216
-</code>

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