User Manual

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7.6.4.3 Source NAT
Source NAT is a specific form of masquerading which allows fine grained control over the source IP used for outgoing
traffic, for example to map multiple WAN addresses to internal subnets.
Field Name
Sample value
Explanation
1.
Name
SNAT
Used to make rule management easier
2.
Protocol
TCP/UDP/Any/ICMP/Custom
Protocol of the packet that is being matched against traffic rules.
3.
Source
LAN/VPN/WAN
Match incoming traffic from selected address family only
4.
Destination
LAN/VPN/WAN
Forward incoming traffic to selected address family only
5.
SNAT
Rewrite to source IP 10.101.1.10
SNAT (Source Network Address Translation) rewrite packet\'s
source IP address and port
6.
Enable
Enable/Disable
Make a rule active/inactive
You can configure firewall source NAT rule, by clicking edit button.