MSI RG54GS2 User Manual page 32

Example 1:
(192.168.1.100-192.168.1.149) They are allowed to send mail (port 25), receive mail (port 110), and browse Internet
(port 80); port 53 (DNS) is necessary to resolve the domain name.
(192.168.1.10-192.168.1.20) They can do everything (block nothing)
Others are all blocked.
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