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Custom 6.1 sysctl kernel configuration

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This commit is contained in:
Ycarus (Yannick Chabanois) 2023-09-07 07:56:25 +00:00
parent a029915e39
commit afa31c4f03
2 changed files with 77 additions and 2 deletions
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8
debian9-x86_64.sh
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@ -739,9 +739,17 @@ fi
# Get shadowsocks optimization
if [ "$LOCALFILES" = "no" ]; then
if [ "$UPSTREAM6" = "yes" ]; then
wget -O /etc/sysctl.d/90-shadowsocks.conf ${VPSURL}${VPSPATH}/shadowsocks.6.1.conf
else
wget -O /etc/sysctl.d/90-shadowsocks.conf ${VPSURL}${VPSPATH}/shadowsocks.conf
fi
else
if [ "$UPSTREAM6" = "yes" ]; then
cp ${DIR}/shadowsocks.6.1.conf /etc/sysctl.d/90-shadowsocks.conf
else
cp ${DIR}/shadowsocks.conf /etc/sysctl.d/90-shadowsocks.conf
fi
fi
if [ "$update" != 0 ]; then

67
shadowsocks.6.1.conf Normal file
View file

@ -0,0 +1,67 @@
# local sysctl settings can be stored in this directory
# max open files
fs.file-max = 512000
# max read buffer
net.core.rmem_max = 16777216
# max write buffer
net.core.wmem_max = 16777216
#net.core.optmem_max = 33554432
# default read buffer
#net.core.rmem_default = 16777216
# default write buffer
#net.core.wmem_default = 16777216
# max processor input queue
net.core.netdev_max_backlog = 4096
# max backlog
net.core.somaxconn = 4096
# resist SYN flood attacks
net.ipv4.tcp_syncookies = 1
# reuse timewait sockets when safe
net.ipv4.tcp_tw_reuse = 1
# turn off fast timewait sockets recycling
#net.ipv4.tcp_tw_recycle = 0
# short FIN timeout
net.ipv4.tcp_fin_timeout = 80
# Increase max orphans
net.ipv4.tcp_max_orphans = 16384
# short keepalive time
net.ipv4.tcp_keepalive_time = 7200
# outbound port range
net.ipv4.ip_local_port_range = 9999 65000
# max SYN backlog
net.ipv4.tcp_max_syn_backlog = 10240
# max timewait sockets held by system simultaneously
net.ipv4.tcp_max_tw_buckets = 10000
# turn on TCP Fast Open on both client and server side
net.ipv4.tcp_fastopen = 3
# TCP buffer
net.ipv4.tcp_mem = 1638400 1638400 1638400
# UDP buffer
#net.ipv4.udp_mem = 4096 87380 16777216
# TCP receive buffer
net.ipv4.tcp_rmem = 4096 87380 16777216
# TCP write buffer
net.ipv4.tcp_wmem = 4096 87380 16777216
# turn on path MTU discovery
net.ipv4.tcp_mtu_probing = 0
# for low-latency network, use cubic instead
net.ipv4.tcp_congestion_control = bbr
net.core.default_qdisc = fq
# Default conntrack is too small
net.netfilter.nf_conntrack_max = 524288
net.netfilter.nf_conntrack_buckets=131072
net.netfilter.nf_conntrack_tcp_timeout_established = 86400
net.ipv4.conf.all.log_martians = 0
net.ipv4.conf.default.log_martians = 0
# MPTCP settings
net.mptcp.checksum_enabled = 0
net.mptcp.add_addr_timeout = 120
net.mptcp.allow_join_initial_addr_port = 1
net.mptcp.enabled = 1
net.mptcp.pm_type = 0
net.mptcp.stale_loss_cnt = 4
net.ipv4.tcp_ecn = 2