2009-02 Sharetech MS6X20

郵件伺服器教育訓練翁維聰 [email_address] MSN:tsungwei@mail.speed.net.tw

前言 ,[object Object],[object Object],[object Object]

郵件伺服器特色 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ShareTech MS 功能 ,[object Object],[object Object],[object Object],[object Object],[object Object]

MS-6015 郵件主機外觀 ,[object Object],[object Object],[object Object]

MS-6020 硬體外觀 ,[object Object],[object Object],[object Object]

MS-6120 硬體外觀 ,[object Object],[object Object],[object Object]

MS-6220 郵件主機外觀 ,[object Object],[object Object],[object Object],[object Object]

MS-6320 郵件主機外觀 ,[object Object],[object Object],[object Object],[object Object]

安裝簡單、迅速 ,[object Object],[object Object],[object Object],[object Object],[object Object]

系統特性：簡單 ,[object Object],[object Object],[object Object],[object Object]

系統特性：方便 ,[object Object]

系統特性：方便 ,[object Object],[object Object]

系統特性：安全 ,[object Object]

系統特性：好用 ,[object Object]

系統特性：好用 ,[object Object],[object Object]

系統特性：好用 ,[object Object],[object Object],[object Object],[object Object],[object Object]

系統特性：服務 ,[object Object],[object Object]

D omain N ame S erver 系統介紹 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DNS 基礎概念 ,[object Object],[object Object],[object Object],[object Object]

DNS 名稱表示法 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DNS 樹狀結構根網域（ Root Domain ）子網域（ Subdomains ）下層網域（ Second-Level Domain ）上層網域（ Top-Level Domain ） FQDN: www.hnk.com.cn Host: www TW CN Root JP com sina hnk nike www COM

DNS 運作模式 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

啥叫 Delegation ！？ ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

台灣地區 IP 分配管理與 .tw 網域註冊 - http://www.twnic.net.tw

啥是 Query 詢問流程 ,[object Object],[object Object],[object Object],[object Object]

遞回查詢 vs 來回查詢 ,[object Object],[object Object],[object Object],[object Object],requesting host Peter.sharetech.com.tw giga.cs.test.tw 1 2 3 4 5 6 authoritative name server dns.cs.test.tw 7 8 iterated query intermediate name server dns.test.tw local name server Dns.sharetech.com.tw

暫存 (caching) 及更新記錄一旦 ( 任何 ) 名稱伺服器知道位址對應關係，則將該對應關係暫存 (cache) 暫存項目經一段時間後 (timeout) 自動消失 TTL (Time to Live) Cache 的作用與影響 - 降低查詢頻寬 - 提升回應速度 - 但 , 不能及時更新 ( 非權威 ) TTL 取值的高低取捨 - 低值 : 查詢量過重 - 高值 : 更新不及時 (cached)

常見的資源記錄 Resource Records ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

NS (Name Server) 為管轄該網域的伺服器

主機名稱記錄 Host Record 正解 (forward): Hostname to IP A Address(IPv4) 為主機名稱 CNAME Alias 代替真實名稱的一個別名

反查記錄 Reverse Lookup ,[object Object],[object Object],[object Object],[object Object]

nslookup 命令 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

nslookup 命令 ( 續 ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

nslookup 命令 ( 續 ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

nslookup 命令 ( 續 ) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DNS 其他資訊 ,[object Object],[object Object],[object Object]

S ender P olicy F ramework 寄件者策略架構 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SPF 運作原理 ,[object Object],[object Object],[object Object],[object Object]

DNS RBL 黑名單機制 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

RBL 檢查自己是否被列入 ,[object Object],[object Object]

RBL 檢查自己是否被列入 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

動態更新相關問題 – 動態 DNS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

動態更新相關問題 – 動態 DNS ,[object Object],[object Object]

DNS Running ? 除錯問題排除 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ShareTech MS 維護 ,[object Object],[object Object],[object Object],[object Object],[object Object]

使用 console 方式 ,[object Object]

進入安全模式 ,[object Object],[object Object],[object Object]

進入還原模式 ,[object Object]

更新軔體 ,[object Object],[object Object]

更新軔體當檔案上傳完成，會先出現此訊息再來會出現此訊息，接下來系統會自動重新啟動

檢測服務 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

電子郵件系統自動切換備援機制 ,[object Object],[object Object],[object Object],[object Object]

好消息 !! 備援的機制（ HA 功能） ,[object Object],[object Object]

好消息 !! 備援的機制（ HA 功能） ,[object Object]

HA 實機測試 ,[object Object]

2009-02 Sharetech MS6X20

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