Chapter 5
Advanced Configuration
112
Source Port
: This parameter determines the application from the specified port
number from the source. Users can either set a single port number
or a range of port numbers. Port numbers are from 0 to 65536. Ports
0 to 1024 are reserved for use by certain privileged services. For
example, the port number for Telnet is 23 and the port number for
http is 80.
Destination Port
: This parameter determines the application from the specified port
number from the destination. Users can either set a single port
number or a range of port numbers.
Check Options
: This parameter would determine the check options. The available
selection options are abbreviated as follows:
SEC – Security
LSRR – Loose Source Route
Timestamp – Timestamp
RR – Record Packet Route
SID – Satnet ID
SSRR – Strict Source Route
RA – Router Alert
Check TTL
: This parameter would set the checking rule for TTL. It would
determine whether the parameter is equal, less then, greater than
or not equal to the TTL value. The available selection options are:
1. Equal
2. Less than
3. Greater than
4. Not equal
