Kerio Tech KERIO WINROUTE FIREWALL 6 User Manual download pdf (Page 86)

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Chapter 7 Traﬃc Policy

Figure 7.16 Traﬃc rule — NAT — NAT with speciﬁc interface (its IP address)

failure. If set as suggested, WinRoute will behave like in mode of automatic interface

selection (see above) if the such failure occurs.

NAT with a speciﬁed IP address

It is also possible to specify an IP address for NAT which will be used as the source IP

address for all packets sent from the LAN to the Internet. This option is available above

all to keep the environment compatible with older WinRoute versions. However, use of

a ﬁxed IP address has many limitations:

• It is necessary to use an IP address of one of the ﬁrewall’s Internet interfaces. If

any other address is used (including even local private addresses). NAT will not

work correctly and packets sent to the Internet will be dropped.

• For obvious reasons, speciﬁc IP address cannot be used for NAT in the Internet

connection failover and the network traﬃc load balancing modes.

Figure 7.17 Traﬃc rule — NAT — NAT with speciﬁc IP address

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Kerio Tech KERIO WINROUTE FIREWALL 6 User Manual Page 86

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