
Synway Information Engineering Co., Ltd
SMG-C Series Analog Gateway User Manual (Version 1.7.1)
Page 98
the network flow will be restricted: only the particular devices are allowed to visit the gateway and
only the data packages on the designated ports can be forwarded. Click
Add New
to add a new
piece of command. See Figure 3-107.
Figure 3-107 Add Access Control Command Interface
Input a piece of command into the Command item and click
Save
to save the settings to the
gateway. Click
Close
to cancel your settings. After that, click
Apply
to make the new command
valid.
Click
Modify
in Figure 3-106 to modify a command. See Figure 3-108 for the Access Control
Command Modification interface. The configuration items on this interface are the same as those
on the
Add Access Control Command
interface. Note that the item
Index
cannot be modified.
Figure 3-108 Access Control Command Modification Interface
To delete an Access Control Command, check the checkbox before the corresponding index in
Figure 3-106 and click the
Delete
button, and then click the
Apply
button to make the deleted
command invalid.
Check All
means to select all available items on the current page;
Uncheck All
means to cancel all selections on the current page;
Inverse
means to uncheck the selected items
and check the unselected. To clear all access control commands at a time, click the
Clear All
button in Figure 3-106.
Note:
1. Currently, only the command iptables is supported by the gateway.
2. After you add, modify or delete a command manually, don’t forget to click the
Apply
button to
make your settings valid. However, in case the gateway restarts or the configuration is leading-in,
the command will get valid automatically without the need for you to click the
Apply
button.