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Re: Network security enhancement



The first query is a default setting in the sysctl.conf file 
 
# Enable TCP SYN Cookie Protection
net.ipv4.tcp_syncookies = 1
A SYN Attack is a denial of service attack that consumes all the resources on your machine, forcing you to reboot. It is achievable from internal internal resources or external connections A TCP SYN cookie is a well known exploit and this feature enables TCP SYN cookie protection
Regards,
-- 
Sunil Dhaka
in search of Linux enlightenment