User Guide
Numeric protocol fields
If Numeric is selected as the protocol when specifying a rule, a text field appears to the right of
the menu for the desired number.
TCP protocol fields
If TCP is selected as the protocol when specifying a rule, the additional fields shown in the
following table appear on the bottom of the form.
Field/Menu Option Definition
Source Port
- OR -
Destination Port
-AND-
to
A port number for filtering in the Source Port or Destination Port field. A range of IP
address can be specified by adding a second port number in the to field. TCP
packets are filtered for for the range of specified IP addresses.
TCP Flags
The TCP flags cause packets to be filtered for the specified flag and the selected
condition. The flags are: SYN (synchronize), ACK (acknowledge), FIN (finish),
RST (reset), URG (urgent) or PSH (push) and the conditions are either Any, Set or
Unset.
Inverted
By checking this box, the TCP options are Inverted. Inverting an item negates the
selected rules. Rules will apply to everything except the selected๎options.
Table 7.7: Expert - TCP Options Fields
UDP protocol fields
If UDP is selected as a protocol when specifying a rule, the additional fields shown in the
following table appear at the bottom of the form.
Field Definition
Source Port
- OR - Destination Port
-AND-
to
A port number for filtering in the Source Port or Destination Port field. A range of IP
address can be specified by adding a second port number in the to field. TCP
packets are filtered for for the range of specified IP addresses.
Inverted
By checking this box, the UDP options are Inverted. Inverting an item negates the
selected rules. Rules will apply to everything except the selected options.
Table 7.8: UDP Options
82 ๎Cyclades
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ACS๎5000 Installation/Administration/User Guide