LevelOne GEL-2670, User Manual, Page: 109 / 320

C
HAPTER
4
| Configuring the Switch
Configuring Security
– 109 –
TCP Parameters
■
Source Port Filter - Specifies the TCP source filter for this rule.
(Options: Any, Specific (0-65535), Range (0-65535);
Default: Any)
■
Dest. Port Filter - Specifies the TCP destination filter for this
rule. (Options: Any, Specific (0-65535), Range (0-65535);
Default: Any)
■
TCP FIN - Specifies the TCP “No more data from sender” (FIN)
value for this rule. (Options: Any - any value is allowed, 0 - TCP
frames where the FIN field is set must not match this entry,
1 - TCP frames where the FIN field is set must match this entry;
Default: Any)
■
TCP SYN - Specifies the TCP “Synchronize sequence numbers”
(SYN) value for this rule. (Options: Any - any value is allowed,
0 - TCP frames where the SYN field is set must not match this
entry, 1 - TCP frames where the SYN field is set must match this
entry; Default: Any)
■
TCP RST - Specifies the TCP “Reset the connection” (RST) value
for this rule. (Options: Any - any value is allowed, 0 - TCP
frames where the RST field is set must not match this entry, 1 -
TCP frames where the RST field is set must match this entry;
Default: Any)
■
TCP PSH - Specifies the TCP “Push Function” (PSH) value for
this rule. (Options: Any - any value is allowed, 0 - TCP frames
where the PSH field is set must not match this entry, 1 - TCP
frames where the PSH field is set must match this entry;
Default: Any)
■
TCP ACK - Specifies the TCP “Acknowledgment field significant”
(ACK) value for this rule. (Options: Any - any value is allowed,
0 - TCP frames where the ACK field is set must not match this
entry, 1 - TCP frames where the ACK field is set must match this
entry; Default: Any)
■
TCP URG - Specifies the TCP “Urgent Pointer field significant”
(URG) value for this rule. (Options: Any - any value is allowed,
0 - TCP frames where the URG field is set must not match this
entry, 1 - TCP frames where the URG field is set must match this
entry; Default: Any)
■
IP TTL - Specifies the time-to-Live settings for this rule. (Options:
Any - any value is allowed, Non-zero - IPv4 frames with a TTL field
greater than zero must match this entry, Zero - IPv4 frames with a
TTL field greater than zero must not match this entry; Default: Any)
■
IP Fragment - Specifies the fragment offset settings for this rule.
This involves the settings for the More Fragments (MF) bit and the
Fragment Offset (FRAG OFFSET) field for an IPv4 frame. (Options: