https://wiki.cc.ncu.edu.tw/wikicc/index.php?action=history&feed=atom&title=SMTP_Flooding 2026-05-28T13:18:03Z 本 Wiki 上此頁面的修訂歷史 MediaWiki 1.30.0 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3505&oldid=prev 2009-12-01T01:15:23Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年12月1日 (二) 01:15 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l9" >行 9：</td> <td colspan="2" class="diff-lineno">行 9：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==解決方法:==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==解決方法:==</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">:如何檢查自己的電腦是否中毒?</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 使用掃毒程式及更新病毒碼、掃毒前請先移除網路線再進行掃毒程式。</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 使用兩套不同的防毒軟體掃毒。</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 使用線上掃毒網站。</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==網路上相關連結:==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==網路上相關連結:==</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">:線上免費掃毒程式：</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 卡巴斯基-http://www.kaspersky.com/virusscanner</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> F-Secure-http://support.f-secure.com/enu/home/ols.shtml</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 趨勢PC-cillin-http://housecall.trendmicro.com/housecall/start_corp.asp</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> PANDA-http://www.pandasoftware.com/activescan/activescan/ascan_1.asp</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 賽門鐵克(諾頓)-http://security.symantec.com/sscv6/default.asp?langid=ch</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> McAfee(邁克菲)-http://us.mcafee.com/root/mfs/default.asp</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> WindowsSecurity-http://www.windowsecurity.com/trojanscan/ (掃木馬)</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> 微軟 OneCare-http://onecare.live.com/ (只支援IE瀏覽器)</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> Nod32線上掃毒-http://www.eset.com.tw/html/394/830/</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==相關 keyword:==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==相關 keyword:==</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">SPAM 異常訊務</ins></div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3428&oldid=prev 2009-10-27T06:26:55Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月27日 (二) 06:26 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >行 7：</td> <td colspan="2" class="diff-lineno">行 7：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>:由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>:由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==解決方法:==</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==網路上相關連結:==</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">==相關 keyword:==</ins></div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3427&oldid=prev 2009-10-14T07:15:12Z

<p>‎<span dir="auto"><span class="autocomment">問題描述:</span></span></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月14日 (三) 07:15 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4" >行 4：</td> <td colspan="2" class="diff-lineno">行 4：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>:依據網路安全公司的分析數據顯示: 約有 70%的 email 為廣告信. spam 問題不僅使得廣大用戶花費可觀的連線費用,時間與精力收取/刪除spam. ISP更須耗費龐大的網路,伺服器, 及系統硬碟資源,重複傳遞/轉送junk mails [8]. &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>:依據網路安全公司的分析數據顯示: 約有 70%的 email 為廣告信. spam 問題不僅使得廣大用戶花費可觀的連線費用,時間與精力收取/刪除spam. ISP更須耗費龐大的網路,伺服器, 及系統硬碟資源,重複傳遞/轉送junk mails [8]. &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del>藉由自動搜尋程式, 駭客可以持續尋找/感染/集結無辜的網路主機,啟動其 mail relay運作, 作為其對龐大newsgroup/ mailing list,及mail accounts傳送廣告信的掩護.甚至透過mail夾檔散播病蟲或攻擊程式,集結更大量感染主機,寄發/轉送更大量spam. &#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">:</ins>藉由自動搜尋程式, 駭客可以持續尋找/感染/集結無辜的網路主機,啟動其 mail relay運作, 作為其對龐大newsgroup/ mailing list,及mail accounts傳送廣告信的掩護.甚至透過mail夾檔散播病蟲或攻擊程式,集結更大量感染主機,寄發/轉送更大量spam. &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline"> </del>由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">:</ins>由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3426&oldid=prev 2009-10-14T07:15:00Z

<p>‎<span dir="auto"><span class="autocomment">問題描述:</span></span></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月14日 (三) 07:15 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l4" >行 4：</td> <td colspan="2" class="diff-lineno">行 4：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>:依據網路安全公司的分析數據顯示: 約有 70%的 email 為廣告信. spam 問題不僅使得廣大用戶花費可觀的連線費用,時間與精力收取/刪除spam. ISP更須耗費龐大的網路,伺服器, 及系統硬碟資源,重複傳遞/轉送junk mails [8]. &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>:依據網路安全公司的分析數據顯示: 約有 70%的 email 為廣告信. spam 問題不僅使得廣大用戶花費可觀的連線費用,時間與精力收取/刪除spam. ISP更須耗費龐大的網路,伺服器, 及系統硬碟資源,重複傳遞/轉送junk mails [8]. &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>藉由自動搜尋程式, 駭客可以持續尋找/感染/集結無辜的網路主機,啟動其 mail relay運作, 作為其對龐大newsgroup/ mailing list,及mail accounts傳送廣告信的掩護.甚至透過mail夾檔散播病蟲或攻擊程式,集結更大量感染主機,寄發/轉送更大量spam. &#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"> </ins>藉由自動搜尋程式, 駭客可以持續尋找/感染/集結無辜的網路主機,啟動其 mail relay運作, 作為其對龐大newsgroup/ mailing list,及mail accounts傳送廣告信的掩護.甚至透過mail夾檔散播病蟲或攻擊程式,集結更大量感染主機,寄發/轉送更大量spam. &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline"> </ins>由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3425&oldid=prev 2009-10-14T07:14:47Z

<p>‎<span dir="auto"><span class="autocomment">問題描述:</span></span></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月14日 (三) 07:14 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2" >行 2：</td> <td colspan="2" class="diff-lineno">行 2：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>SPAM 異常訊務 特徵</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>SPAM 異常訊務 特徵</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>:<del class="diffchange diffchange-inline">為避免回覆大量的spam complain</del>, <del class="diffchange diffchange-inline">Spammer會藉由自動搜尋程式持續尋找</del>/感染/<del class="diffchange diffchange-inline">集結 未設防的網路主機</del>,<del class="diffchange diffchange-inline">作為spam 的relay或send- er</del>,<del class="diffchange diffchange-inline">重複對龐大的newsgroup</del>/mailing <del class="diffchange diffchange-inline">list及mail accounts傳送廣告信件</del>.甚至透過mail夾檔散播病蟲或攻擊程式<del class="diffchange diffchange-inline">,侵入網路主機</del>,集結更大量感染主機,寄發/轉送更大量spam</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>:<ins class="diffchange diffchange-inline">依據網路安全公司的分析數據顯示: 約有 70%的 email 為廣告信. spam 問題不僅使得廣大用戶花費可觀的連線費用,時間與精力收取/刪除spam. ISP更須耗費龐大的網路,伺服器, 及系統硬碟資源,重複傳遞/轉送junk mails [8]. </ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&#160;</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">藉由自動搜尋程式</ins>, <ins class="diffchange diffchange-inline">駭客可以持續尋找</ins>/感染/<ins class="diffchange diffchange-inline">集結無辜的網路主機</ins>,<ins class="diffchange diffchange-inline">啟動其 mail relay運作</ins>, <ins class="diffchange diffchange-inline">作為其對龐大newsgroup</ins>/ mailing <ins class="diffchange diffchange-inline">list,及mail accounts傳送廣告信的掩護</ins>.甚至透過mail夾檔散播病蟲或攻擊程式,集結更大量感染主機,寄發/轉送更大量spam<ins class="diffchange diffchange-inline">. </ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>&#160;</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">由於spam源端主機持續傳送超量的SMTP (Simple Mail Transfer Ptorocol)訊務往多部主機.spam發送/轉送主機與一般網路應用傳訊有著明顯的不同: (i) 發送源要求與多個目的主機建立超大量SMTP flow連接, (ii)各 flows 之 destination port 集中在特殊的 25/TCP port. 反觀target主機回應給發送源端的port 範圍則分散於1024 ~ 65535大範圍.</ins></div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3424&oldid=prev 2009-10-14T06:21:36Z

<p>‎<span dir="auto"><span class="autocomment">問題描述:</span></span></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月14日 (三) 06:21 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >行 1：</td> <td colspan="2" class="diff-lineno">行 1：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==問題描述:==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==問題描述:==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">:</del>SPAM 異常訊務 特徵</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>SPAM 異常訊務 特徵</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>為避免回覆大量的spam complain, Spammer會藉由自動搜尋程式持續尋找/感染/集結 未設防的網路主機,作為spam 的relay或send- er,重複對龐大的newsgroup/mailing list及mail accounts傳送廣告信件.甚至透過mail夾檔散播病蟲或攻擊程式,侵入網路主機,集結更大量感染主機,寄發/轉送更大量spam</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">:</ins>為避免回覆大量的spam complain, Spammer會藉由自動搜尋程式持續尋找/感染/集結 未設防的網路主機,作為spam 的relay或send- er,重複對龐大的newsgroup/mailing list及mail accounts傳送廣告信件.甚至透過mail夾檔散播病蟲或攻擊程式,侵入網路主機,集結更大量感染主機,寄發/轉送更大量spam</div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3423&oldid=prev 2009-10-14T06:21:08Z

<p>‎<span dir="auto"><span class="autocomment">問題描述:</span></span></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月14日 (三) 06:21 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >行 1：</td> <td colspan="2" class="diff-lineno">行 1：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==問題描述:==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==問題描述:==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">:SPAM 異常訊務 特徵</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>為避免回覆大量的spam complain, Spammer會藉由自動搜尋程式持續尋找/感染/集結 未設防的網路主機,作為spam 的relay或send- er,重複對龐大的newsgroup/mailing list及mail accounts傳送廣告信件.甚至透過mail夾檔散播病蟲或攻擊程式,侵入網路主機,集結更大量感染主機,寄發/轉送更大量spam</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>為避免回覆大量的spam complain, Spammer會藉由自動搜尋程式持續尋找/感染/集結 未設防的網路主機,作為spam 的relay或send- er,重複對龐大的newsgroup/mailing list及mail accounts傳送廣告信件.甚至透過mail夾檔散播病蟲或攻擊程式,侵入網路主機,集結更大量感染主機,寄發/轉送更大量spam</div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3422&oldid=prev 2009-10-14T06:20:39Z

<p>‎<span dir="auto"><span class="autocomment">問題描述:</span></span></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr style="vertical-align: top;" lang="zh-TW"> <td colspan="2" style="background-color: white; color:black; text-align: center;">←上個修訂</td> <td colspan="2" style="background-color: white; color:black; text-align: center;">於 2009年10月14日 (三) 06:20 的修訂</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >行 1：</td> <td colspan="2" class="diff-lineno">行 1：</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==問題描述:==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==問題描述:==</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">為避免回覆大量的spam complain, Spammer會藉由自動搜尋程式持續尋找/感染/集結 未設防的網路主機,作為spam 的relay或send- er,重複對龐大的newsgroup/mailing list及mail accounts傳送廣告信件.甚至透過mail夾檔散播病蟲或攻擊程式,侵入網路主機,集結更大量感染主機,寄發/轉送更大量spam</ins></div></td></tr> </table>

Center38 https://wiki.cc.ncu.edu.tw/wikicc/index.php?title=SMTP_Flooding&diff=3419&oldid=prev 2009-10-12T00:40:28Z

<p>新頁面: ==問題描述:==</p> <p><b>新頁面</b></p><div>==問題描述:==</div>

Center38