mirror of
https://github.com/Ysurac/openmptcprouter-vps.git
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67 lines
1.9 KiB
Text
67 lines
1.9 KiB
Text
# local sysctl settings can be stored in this directory
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# max open files
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fs.file-max = 512000
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# max read buffer
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net.core.rmem_max = 16777216
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# max write buffer
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net.core.wmem_max = 16777216
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#net.core.optmem_max = 33554432
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# default read buffer
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#net.core.rmem_default = 16777216
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# default write buffer
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#net.core.wmem_default = 16777216
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# max processor input queue
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net.core.netdev_max_backlog = 4096
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# max backlog
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net.core.somaxconn = 4096
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# resist SYN flood attacks
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net.ipv4.tcp_syncookies = 1
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# reuse timewait sockets when safe
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net.ipv4.tcp_tw_reuse = 1
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# turn off fast timewait sockets recycling
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#net.ipv4.tcp_tw_recycle = 0
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# short FIN timeout
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net.ipv4.tcp_fin_timeout = 30
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# Increase max orphans
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net.ipv4.tcp_max_orphans = 16384
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# short keepalive time
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net.ipv4.tcp_keepalive_time = 7200
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# outbound port range
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net.ipv4.ip_local_port_range = 9999 65000
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# max SYN backlog
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net.ipv4.tcp_max_syn_backlog = 10240
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# max timewait sockets held by system simultaneously
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net.ipv4.tcp_max_tw_buckets = 10000
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# turn on TCP Fast Open on both client and server side
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net.ipv4.tcp_fastopen = 3
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# TCP buffer
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net.ipv4.tcp_mem = 1638400 1638400 1638400
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# UDP buffer
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#net.ipv4.udp_mem = 4096 87380 16777216
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# TCP receive buffer
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net.ipv4.tcp_rmem = 4096 87380 16777216
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# TCP write buffer
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net.ipv4.tcp_wmem = 4096 87380 16777216
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# turn on path MTU discovery
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net.ipv4.tcp_mtu_probing = 0
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# for low-latency network, use cubic instead
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net.ipv4.tcp_congestion_control = bbr
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net.core.default_qdisc = fq
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# Default conntrack is too small
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net.netfilter.nf_conntrack_max = 524288
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net.netfilter.nf_conntrack_buckets=131072
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net.netfilter.nf_conntrack_tcp_timeout_established = 86400
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net.ipv4.conf.all.log_martians = 0
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net.ipv4.conf.default.log_martians = 0
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# MPTCP settings
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net.mptcp.checksum_enabled = 0
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net.mptcp.add_addr_timeout = 120
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net.mptcp.allow_join_initial_addr_port = 1
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net.mptcp.enabled = 1
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net.mptcp.pm_type = 0
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net.mptcp.stale_loss_cnt = 4
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net.ipv4.tcp_ecn = 2
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