linux network optimize with sysctl

fcicq said,

July 29, 2007 @ 14:08:29

# Disables packet forwarding net.ipv4.ip_forward=0

# Disables IP source routing net.ipv4.conf.all.accept_source_route = 0 net.ipv4.conf.lo.accept_source_route = 0 net.ipv4.conf.eth0.accept_source_route = 0 net.ipv4.conf.default.accept_source_route = 0

# Enable IP spoofing protection, turn on source route verification net.ipv4.conf.all.rp_filter = 1 net.ipv4.conf.lo.rp_filter = 1 net.ipv4.conf.eth0.rp_filter = 1 net.ipv4.conf.default.rp_filter = 1

# Disable ICMP Redirect Acceptance net.ipv4.conf.all.accept_redirects = 0 net.ipv4.conf.lo.accept_redirects = 0 net.ipv4.conf.eth0.accept_redirects = 0 net.ipv4.conf.default.accept_redirects = 0

# Enable Log Spoofed Packets, Source Routed Packets, Redirect Packets net.ipv4.conf.all.log_martians = 0 net.ipv4.conf.lo.log_martians = 0 net.ipv4.conf.eth0.log_martians = 0

# Disables IP source routing net.ipv4.conf.all.accept_source_route = 0 net.ipv4.conf.lo.accept_source_route = 0 net.ipv4.conf.eth0.accept_source_route = 0 net.ipv4.conf.default.accept_source_route = 0

# Enable IP spoofing protection, turn on source route verification net.ipv4.conf.all.rp_filter = 1 net.ipv4.conf.lo.rp_filter = 1 net.ipv4.conf.eth0.rp_filter = 1 net.ipv4.conf.default.rp_filter = 1

# Disable ICMP Redirect Acceptance net.ipv4.conf.all.accept_redirects = 0 net.ipv4.conf.lo.accept_redirects = 0 net.ipv4.conf.eth0.accept_redirects = 0 net.ipv4.conf.default.accept_redirects = 0

# Disables the magic-sysrq key kernel.sysrq = 0

# Decrease the time default value for tcp_fin_timeout connection net.ipv4.tcp_fin_timeout = 15

# Decrease the time default value for tcp_keepalive_time connection net.ipv4.tcp_keepalive_time = 1800

# Turn off the tcp_window_scaling net.ipv4.tcp_window_scaling = 0

# Turn off the tcp_sack net.ipv4.tcp_sack = 0

# Turn off the tcp_timestamps net.ipv4.tcp_timestamps = 0

# Enable TCP SYN Cookie Protection net.ipv4.tcp_syncookies = 1

# Enable ignoring broadcasts request net.ipv4.icmp_echo_ignore_broadcasts = 1

# Enable bad error message Protection net.ipv4.icmp_ignore_bogus_error_responses = 1

# Log Spoofed Packets, Source Routed Packets, Redirect Packets net.ipv4.conf.all.log_martians = 1

# Increases the size of the socket queue (effectively, q0). net.ipv4.tcp_max_syn_backlog = 1024

# Increase the tcp-time-wait buckets pool size net.ipv4.tcp_max_tw_buckets = 1440000

# Allowed local port range net.ipv4.ip_local_port_range = 16384 65536

在认识你之后,我才发现自己可以这样情愿的付出……

linux network optimize with sysctl

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