76
Rewrite matched traffic to the given IP address
Rewrite matched traffic to the given source port. May be
left empty to only rewrite the IP address'
Passes additional arguments to iptables. Use with care!
7.6.5 Custom Rules
Here you have the ultimate freedom in defining your rules – you can enter them straight into the iptables
program. Just type them out into the text field ant it will get executed as a Linux shell script. If you are unsure of how to
use iptables, check out the internet for manuals, examples and explanations.
7.6.6 DDOS Prevention
7.6.6.1 SYN Flood Protection
SYN Flood Protection allows you to protect from attack that exploits part of the normal TCP three-way handshake
to consume resources on the targeted server and render it unresponsive. Essentially, with SYN flood DDoS, the offender
sends TCP connection requests faster than the targeted machine can process them, causing network saturation.
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