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Example 2: Allow access only by addresses that begin with 192.
Security Mask #1: 255.255.255.255 Mask #1 Action: Deny
Security Mask #2: 192.255.255.255 Mask #2 Action: Permit
Since 255 is a wild card, Mask 1 blocks all IP addresses. Mask 2 then grants access to all addresses that
begin with 192.
Example 3: Allow access only by addresses that begin with 192, deny access to 192.1.1.5.
Security Mask #1: 255.255.255.255 Mask #1 Action: Deny
Security Mask #2: 192.255.255.255 Mask #2 Action: Permit
Security Mask #3: 192.1.1.5 Mask #3 Action: Deny
Since 255 is a wild card, Mask 1 blocks all IP addresses. Mask 2 then grants access to all addresses that
begin with 192. Finally, Mask 3 specifically blocks access by 192.1.1.5.
Notes:
Mask #5 has priority over the other four masks. If Mask #5 is set to deny access by
"255.255.255.255" (all wild cards), all IP Addresses will be blocked, and you will not be
able to access the TPS Command Mode via network. Access will only be allowed via the
Console Port or Modem Port.
When using the wild card address "255.255.255.255" to block access by all IP Addresses,
make certain that at least one higher priority mask permits access by your IP address.
4.7. Save Configuration Parameters
After the unit has been completely configured, it is recommended to save parameters to an ASCII file as
described in Section 6. This allows quick recovery in the event that the unit is reset to default parameters,
or the configuration is accidentally deleted or altered.
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TPS Series Telnet Power Switches; User's Guide Start-Up / Configuration
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