User manual

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Actiontec Broadband Router User Manual
69
Chapter 5 Configuring the Router’s Security
• Wildcard connection hooked - debug message regarding connection.
• Connection closed - debug message regarding connection.
• Echo/Chargen/Quote/Snork protection - a packet has been blocked due
to Echo/Chargen/Quote/Snork protection.
• First packet in connection is not a SYN packet - a packet has been
blocked due to a TCP connection that started without a SYN packet.
• Error : No memory - a new connection has not been established because
of lack of memory.
• NAT Error : connection pool is full. No connection created -a connec-
tion has not been created because the connection pool is full.
• NAT Error: No free NAT IP - no free NAT IP, so NAT has failed.
• NAT Error: Conflict Mapping already exists - a conflict occurred because
the NAT mapping already exists, so NAT failed.
• Malformed packet: Failed parsing - a packet has been blocked because it
is malformed.
• Passive attack on ftp-server: Client attempted to open Server ports - a
packet has been blocked.
• FTP port request to 3rd party is forbidden (Possible bounce attack) - a
packet has been blocked.
• Firewall Rules were changed - the firewall rule set has been modified.
• User authentication - a message arrived during login time, including both
successful and failed authentication.