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User’s Manual 73
Appendix F System Log Interpretation
The following sections provide detailed information on interpreting the system
log.
F.1 Security Log
1. “Unrecognized access from 207.71.92.221:137 to UDP port 137”.
A host on the Internet whose IP address is 207.71.92.221 tried to access your
UDP port 137.
2. “Unexpected access from 207.71.92.221 to 192.168.123.100 (prot=11)”.
A host on the Internet whose IP address is 207.71.92.221 tried to access
192.168.123.100 via the Router. The protocol number is 0x11 (UDP).
Note
: This log is enabled for firmware version R1.90e and higher.
3. “Unallowable access from 192.168.123.100:1175 to 205.188.147.56:80
TCP”.
An access from 192.168.123.100 to 205.188.147.56 TCP port 80 was blocked
by the Access Control feature of the Router.
4. “Restarted by 192.168.123.100”.
The Router was restarted by the host whose IP address is 192.168.123.100.
5. “192.168.123.100 login successful”.
A host whose IP address is 192.168.123.100 logged in successfully as system
administrator.
6. “192.168.123.100 login failed”.
A host whose IP address is 192.168.123.100 failed to login due to password
mismatch.
7. “192.168.123.100 logged out”.
The system administrator logged out manually.