kkao

請教高手

最近練習架mail server,但從架好開始;像底下這種意圖入侵 就從未間斷,
原計劃在windows的經驗開始在Linux上練習;但這種問題解決不了,
實在不敢用Linux去架Server,畢竟對Linux不熟悉.... (有朋友說Linux其實比windows不安全, 因為open source 懂的人太多)
是否有高手可指導一下,Linux底下,是否可檔得住這種無時無刻的入侵 意圖,.............. 至少windows底下,我可以所有HDD從every one 到admin
全部delete掉,只留下我的賬號.....

Thanks
KK
2003/08/11

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Mon 2003-08-11 05:39:18: [548:71:1] Accepting SMTP connection from [200.43.124.198 : 2095]
Mon 2003-08-11 05:39:18: [548:71:1] --> 220 jlkk.com ESMTP MDaemon 6.8.4; Mon, 11 Aug 2003 05:39:18 +0800
Mon 2003-08-11 05:39:18: [548:71:1] <-- HELO none
Mon 2003-08-11 05:39:18: [548:71:1] --> 250 jlkk.com Hello none, pleased to meet you
Mon 2003-08-11 05:39:19: [548:71:1] <-- MAIL FROM:<dnsmarketing@mail15.com>
Mon 2003-08-11 05:39:19: [548:71:1] --> 250 <dnsmarketing@mail15.com>, Sender ok
Mon 2003-08-11 05:39:19: [548:71:1] <-- RCPT TO:<dameunip@mail15.com>
Mon 2003-08-11 05:39:19: [548:71:1] Sender attempted to deliver message to unknown address
Mon 2003-08-11 05:39:19: [548:71:1] --> 550 <dameunip@mail15.com>, Recipient unknown
Mon 2003-08-11 05:39:20: [548:71:1] <-- QUIT
Mon 2003-08-11 05:39:20: [548:71:1] --> 221 See ya in cyberspace
Mon 2003-08-11 05:39:20: [548:71:1] SMTP session successful, 85 bytes transferred.
Mon 2003-08-11 05:39:20: ----------