User Manual

M4300 Intelligent Edge Series Fully Managed Stackable Switches
Manage Switch Security User Manual618
- 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.
• Src L4. The options are available only when protocol is set to
TCP or UDP. Use the
source L4 port option to specify relevant matching conditions for L4 port numbers in
the extended ACL rule.
You can select either the Port radio button or the Range radio button:
- If you select the Port radio button, you can either select port key from the menu
or enter the port number yourself.
• The source IP
TCP port names are bgp, domain, echo, ftp, ftpdata, http, smtp,
snmp, Telnet, www, pop2, pop3.
• The source IP UDP port names are domain, echo, ntp, rip, snmp, tftp, time,
who.
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 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 key.
• Less Than. IP
ACL rule matches if the Layer 4 source port number is less
than the specified port number or port key.
• Greater Than. IP
ACL rule matches if the Layer 4 source port number is
greater than the specified port number or port key.
• Not Equal. IP
ACL rule matches only if the Layer 4 source port number is not
equal to the specified port number or port key.
- 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.
They values can range from 0 to 65535.
Select Other from the menu to enter port numbers. If you select Other from the
menu but leave the fields 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.