Update customizable_post_install.sh

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MacRimi 2025-08-16 18:32:19 +02:00 committed by GitHub
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@ -1075,45 +1075,49 @@ force_apt_ipv4() {
apply_network_optimizations() {
msg_info2 "$(translate "Optimizing network settings...")"
msg_info "$(translate "Optimizing network settings...")"
NECESSARY_REBOOT=1
local sysctl_conf="/etc/sysctl.d/99-network.conf"
local interfaces_file="/etc/network/interfaces"
cat <<'EOF' > /etc/sysctl.d/99-network.conf
# ==========================================================
# ProxMenux - Network tuning (PVE 9 compatible)
# ==========================================================
msg_info "$(translate "Applying network optimizations...")"
# Update sysctl configuration
cat <<EOF > "$sysctl_conf"
# Core buffers & queues
net.core.netdev_max_backlog = 8192
net.core.optmem_max = 8192
net.core.rmem_max = 16777216
net.core.somaxconn=8151
net.core.wmem_max = 16777216
net.core.somaxconn = 8151
# IPv4 security hardening
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.all.log_martians = 0
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.default.log_martians = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.secure_redirects = 0
net.ipv4.conf.default.send_redirects = 0
# ICMP handling
net.ipv4.icmp_echo_ignore_broadcasts = 1
net.ipv4.icmp_ignore_bogus_error_responses = 1
# TCP/IP tuning
net.ipv4.ip_local_port_range = 1024 65535
net.ipv4.tcp_base_mss = 1024
net.ipv4.tcp_challenge_ack_limit = 999999999
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_keepalive_intvl = 30
net.ipv4.tcp_keepalive_probes= 3
net.ipv4.tcp_keepalive_time = 240
net.ipv4.tcp_limit_output_bytes = 65536
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 1440000
net.ipv4.tcp_mtu_probing = 1
net.ipv4.tcp_rfc1337 = 1
net.ipv4.tcp_rmem = 8192 87380 16777216
@ -1121,31 +1125,36 @@ net.ipv4.tcp_sack=1
net.ipv4.tcp_slow_start_after_idle = 0
net.ipv4.tcp_syn_retries = 3
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_tw_recycle = 0
net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_wmem = 8192 65536 16777216
# Unix sockets
net.unix.max_dgram_qlen = 4096
# Conntrack
net.netfilter.nf_conntrack_generic_timeout = 60
net.netfilter.nf_conntrack_helper = 0
net.netfilter.nf_conntrack_max = 524288
net.netfilter.nf_conntrack_tcp_timeout_established= 28800
net.unix.max_dgram_qlen = 4096
EOF
sysctl --system > /dev/null 2>&1
# Ensure /etc/network/interfaces includes the interfaces.d directory
local interfaces_file="/etc/network/interfaces"
if ! grep -q 'source /etc/network/interfaces.d/*' "$interfaces_file"; then
echo "source /etc/network/interfaces.d/*" >> "$interfaces_file"
fi
msg_ok "$(translate "Network optimizations applied")"
msg_success "$(translate "Network optimization completed")"
msg_ok "$(translate "Network optimization completed")"
register_tool "network_optimization" true
}
# ==========================================================