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Netgear GC110 Manual

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Manage Device Security
310
Insight Managed 8-Port Gigabit Ethernet Smart Cloud Switch with 2 SFP Fiber Ports
The relevant matching conditions for L4 port numbers are as follows:
• Equal. IP ACL rule matches only if the Layer 4 source port number is equal to
the specified port number or port protocol.
• Not Equal. IP ACL rule matches only if the Layer 4 source port number is not
equal to the specified port number or port protocol.
• Less Than. IP ACL rule matches if the Layer 4 source port number is less
than the specified port number.
• Greater Than. IP ACL rule matches if the Layer 4 source port number is
greater than the specified port number.
- Range radio button. If you select the Range radio button, the IP ACL rule
matches only if the Layer 4 source port number is within the specified port range.
The starting port, ending port, and all ports in between are a part of the Layer 4
port range.
The Start Port and End Port fields identify the first and last ports that are part of
the port range. The values can range from 0 to 65535.
You can either enter the port range yourself or select one of the following
protocols from the menu:
• The destination IP TCP port protocols are domain, echo, ftp, ftpdata,
www-http, smtp, telnet, pop2, pop3, and bgp.
• The destination IP UDP port protocols are domain, echo, snmp, ntp, rip,
time, who, and tftp.
Each of these values translates into its equivalent port number, which is used as
both the start and end of the port range.
Select Other from the menu to enter a port number. If you select Other from the
menu but leave the field blank, it means any.
The wildcard mask determines which bits are used and which bits are ignored. A
wildcard mask of 0.0.0.0 indicates that none of the bits are important. A wildcard
of 255.255.255.255 indicates that all of the bits are important.
• Dst. In the Dst field, enter a destination IP address, using dotted-decimal notation, to
be compared to a packet’s destination IP address as a match criterion for the selected
IP ACL rule:
- If you select the IP Address radio button, enter an IP address with a relevant
wildcard mask to apply this criteria. If this field is left empty, it means
any.
- If you select the Host radio button, the wildcard mask is configured as 0.0.0.0. If
this field is left empty, it means any.
The wildcard mask determines which bits are used and which bits are ignored. A
wildcard mask of 0.0.0.0 indicates that none of the bits are important. A wildcard of
255.255.255.255 indicates that all of the bits are important.
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