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net.core.rmem_max=16777216
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net.core.wmem_max=16777216
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net.ipv4.tcp_rmem = 4096 87380 174760
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net.ipv4.tcp_wmem=4096 65536 174760
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net.ipv4.tcp_fin_timeout = 10
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net.ipv4.tcp_tw_recycle = 1
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net.ipv4.tcp_tw_reuse = 1
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net.ipv4.tcp_timestamps = 0
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net.ipv4.tcp_window_scaling = 0
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net.ipv4.tcp_sack = 0
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net.core.netdev_max_backlog = 30000
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net.ipv4.tcp_no_metrics_save=1
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net.core.somaxconn = 262144
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net.ipv4.tcp_max_orphans = 262144
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net.ipv4.tcp_max_syn_backlog = 819200
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net.ipv4.tcp_synack_retries = 2
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net.ipv4.tcp_syn_retries = 2
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######DEFAULT 2h####
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net.ipv4.tcp_keepalive_time=1200
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net.ipv4.tcp_keepalive_intvl=30
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net.ipv4.tcp_keepalive_probes=3
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net.netfilter.nf_conntrack_max = 6553600
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net.netfilter.nf_conntrack_tcp_timeout_established = 1200
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net.ipv4.ip_local_port_range = 1024 65000
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net.ipv4.tcp_max_tw_buckets = 20000
- net.nf_conntrack_max = 6553600