Chengdu Ebyte Electronic Technology Co.,Ltd. E890-868LG12 User Manual
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Chengdu Ebyte Electronic Technology Co.,Ltd.
24
5.4.7 Firewalls
In the Network -> Firewall option, make settings related to network security and communication rules, as shown in
the figure below.
1. IP Dynamic Masquerade (MASQ)
MASQ, also known as MASQUREADE, address masquerading, will leave the source IP of the packet into the IP
address of an interface of the gateway, as shown in the figure check the IP dynamic masquerading, the system will
modify the source IP address of the packet flowing out of the gateway to the IP address of the WAN port, here, the
default way for IP dynamic masquerading on.
2. Communication rules (SNAT & DNAT)
In Network --> Firewall --> Communication Rules, there is a Source NAT column, Source NAT is a special form of
packet disguise, change the source address of the packet leaving the gateway, for example, the source IP of the packet
leaving the gateway address is fixed to 192.168.1.1 (real IP: 192.168.10.1), the setting interface is shown below, the
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