What's TCP Flag detect ?

Zyxel_Kevin
Zyxel_Kevin Posts: 888  Zyxel Employee
Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 500 Comments

By default, ZyWALL will check the following invalid TCP Flags and drop the packets:

-FIN,SYN,RST,PSH,ACK,URG are set at the same time

-FIN,SYN are set at the same time

-SYN,RST are set at the same time

-FIN,RST are set at the same time

-ONLY FIN is set.

-ONLY PSH is set

-ONLY URG is set