LevelOne VOI-8001 Manual - Page 104

Allow to Scan Security Port 113, Discard NetBios Packets, Accept Fragment Packets, Send ICMP packets

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scans all the TCP/UDP port of a station to find out the opened ports. After confirmed, the hackers try to connect to the listened ports to attack your computer. Check this option, the home gateway will drop the port scan packets to protect your system. Allow to Scan Security Port (113) Some Linux email servers will try to detect the security TCP/UDP port (113). If you drop it, the Linux email servers will not allow you to log into. Allow it can solve such kind of problem. Discard NetBios Packets The NetBios protocol is widely used by the MS Windows Network Place, which should only be use in the home network and should not be used in the Internet environment. Strongly suggest you to check this item for security consideration. Accept Fragment Packets Accept packets that are fragmented. Send ICMP packets when error Send ICMP packets when the error happens in connection. Advance settings Click this button, the detail hacker attack patterns will appear to let you decide which one should be enabled. Figure 7-2 shows the hacker attack patterns to protect. 104

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104
scans all the TCP/UDP port of a station to find out the opened ports.
After
confirmed, the hackers try to connect to the listened ports to attack your
computer.
Check this option, the home gateway will drop the port scan
packets to protect your system.
Allow to Scan Security Port (113)
Some Linux email servers will try to detect the security TCP/UDP port (113).
If you drop it, the Linux email servers will not allow you to log into.
Allow
it can solve such kind of problem.
Discard NetBios Packets
The NetBios protocol is widely used by the MS Windows Network Place,
which should only be use in the home network and should not be used in the
Internet environment.
Strongly suggest you to check this item for security
consideration.
Accept Fragment Packets
Accept packets that are fragmented.
Send ICMP packets when error
Send ICMP packets when the error happens in connection.
Advance settings
Click this button, the detail hacker attack patterns will appear to let you
decide which one should be enabled.
Figure 7-2 shows the hacker attack
patterns to protect.