Glibc free error sysctl configuration

How to configure is explain below:-

1-- Turn off the tcp_sack.

      net.ipv4.tcp_sack = 0

 2-- Turn off the tcp_timestamps.

        net.ipv4.tcp_timestamps = 0

 3-- Enable TCP SYN Cookie Protection.

       net.ipv4.tcp_syncookies = 1

 4-- Enable ignoring broadcasts request.

       net.ipv4.icmp_echo_ignore_broadcasts = 1

 5-- Enable bad error message Protection.

       net.ipv4.icmp_ignore_bogus_error_responses = 1

 6-- Log Spoofed Packets, Source Routed Packets, Redirect Packets.

       net.ipv4.conf.all.log_martians = 1

 7-- Increases the size of the socket queue (effectively, q0),

       net.ipv4.tcp_max_syn_backlog = 1024

 8-- Increase the tcp-time-wait buckets pool size.

       net.ipv4.tcp_max_tw_buckets = 1440000

 9-- Allowed local port range.

       net.ipv4.ip_local_port_range = 16384 65536

10-- After you make the changes to the file you need to run .

       Quote

/sbin/sysctl -p

and

Quote

sysctl -w net.ipv4.route.flush=1

to enable the changes without a reboot.

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