Editing existing netfilter rules – Guntermann & Drunck DVICenter DP16 Config Panel User Manual
Page 28
Basic configuration of the web application
26 · G&D DVICenter
4. Click
Add
to save the data in a new filter rule.
The new filter rule is added to the end of the list of the existing filter rules.
5. Click
OK
to close the window.
Editing existing netfilter rules
How to edit an existing netfilter rule:
1. Click the tools symbol in the toolbar.
2. Click the
Network > Netfilter
tabs.
3. Mark the rule to be changed in the list of the existing netfilter rules.
Option:
Use the pull-down menu to select how the rule’s sender
information are to be interpreted:
Normal:
The rule applies for data packets whose sender
information does comply with the indicated IP address or
MAC address.
Inverted:
The rule applies for data packets whose sender
information does not comply with the indicated IP address
or MAC address.
IP address/
Netmask:
Enter the data packet IP address or use the
Netmask
entry to
enter the address space of the IP addresses.
Examples:
192.168.150.187:
for IP address 192.168.150.187
192.168.150.0/24:
IP addresses of section 192.168.150.x
192.168.0.0/16:
IP addresses of section 192.168.x.x
192.0.0.0/8:
IP addresses of section 192.x.x.x
0.0.0.0/0:
all IP addresses
MAC address:
Enter the MAC address to be considered in this filter rule.
Filter rule:
Drop:
Data packets whose sender information comply with
the IP address or MAC address are not processed.
Accept:
Data packets whose sender information comply
with the IP address or MAC address are processed.
NOTE:
The new netfilter rule does not apply for active connections. Restart the
device to disconnect any active connections. Afterwards, all rules apply.
NOTE:
The IP address and/or a MAC address can be specified within a rule.
NOTE:
The IP address and/or a MAC address can be specified within a rule.