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一 MS Proxy用法2( 二 )


14. 發(fā)送字節(jié)數(shù)(BytesSent):Proxy Server發(fā)送給客戶機(jī)的字節(jié)數(shù) 。假如沒(méi)有信息發(fā)給客戶機(jī),該字段可能為空 。只有Web Proxy使用該字段 。
15. 接收字節(jié)數(shù)(BytesRecv):該字段記錄Proxy Server由客戶機(jī)處收到的字節(jié)數(shù) 。其大小是客戶機(jī)發(fā)給Proxy的請(qǐng)求數(shù)量 。和前個(gè)字段一樣,該字段僅由Web Proxy使用 。假如該字段在Web Proxy日志中為空,可能是客戶機(jī)沒(méi)有發(fā)送數(shù)據(jù)或是沒(méi)有提供大小信息 。
16. 協(xié)議名稱(Protocol):在Web Proxy日志里,該字段的內(nèi)容是:HTTP, FTP, Gopher, or Secure,根據(jù)客戶使用的協(xié)議而不同 。在Winsock Proxy日志里,該字段是客戶機(jī)連接的常用數(shù)字協(xié)議(例如:SMTP連接的110)
17. Transport:客戶機(jī)與Proxy Server之間使用的傳輸方法 。Web Proxy連接總是TCP 。Winsock Proxy連接會(huì)是TCP、UDP或是IPX/SPX 。
18. Operation:記錄Proxy Server執(zhí)行的轉(zhuǎn)輸操作 。Web Proxy能記錄GET、PUT、POST和HEAD 。WinSock Proxy能記錄Connect、Accept、SendTo、RecvFrom和GetHostByName 。
19. 對(duì)象名稱(Object Name):該字段記錄Web Proxy收到的對(duì)象名稱,WinSock Proxy日志該字段為空 。
20. Object MIME:僅Web Proxy使用該字段 。記錄收到的MIME類型對(duì)象 。假如目標(biāo)服務(wù)器未定義或不支持,該字段會(huì)包含如下字符串:
MIME Type Definition
application/x-msdownload Application
image/gif GIF Image
image/jpeg JPG Image
multipart/x-zip ZIP Archive
text/plain ASCII Text File
21. Object Source:只有Web Proxy使用,該字段記錄對(duì)象由何處而來(lái) 。記錄內(nèi)容如下:
n Field Value Definition
n Unknown Proxy Server could not determine where the object originated.
n Cache Object found in cache.
n Rcache Object found on Internet. Objects was added to cache.
n Vcache Object found in cache. Object was verified against target object on Internet.
n NVCache Object found in cache but could not be verified against target object on Internet. Object was still returned to client.
n VFInet Object found on Internet. Object could not be verifed against source.
n PragNoCacheInet Object found on Internet. HTTP header indicates that the object should not be cached.
n Inet Object found on Internet. Object was not added to the cache.
1. 結(jié)果代碼(Result code):該字段是連接到的Internet站點(diǎn)返回關(guān)于收到對(duì)象的結(jié)果代碼 。該字段值的范圍非常廣,Web Proxy和the WinSock Proxy在該字段記錄不同的值 。在Web Proxy記錄里,低于100的值代表Windows錯(cuò)誤代碼,在100和1000之間是HTTP狀態(tài)代碼,10000以上的值是Wininet或WinSock錯(cuò)誤代碼 。Web Proxy記錄的三個(gè)最常見(jiàn)的代碼是200(成功連接)、10060(連接超時(shí))、10065(未達(dá)到主機(jī)) 。在WinSock Proxy記錄里,該字段的值是下列代碼之一:
Code Definition
0 SUCcessful Connection
1 Server Failure
2 Rejection by Proxy due to filtering
3 Network unreachable due to no DNS service available.
4 Host unreachable because no DNS entry could be found for the host.
5 Connection refused by target Internet site.
6 Unsupported client request (perhaps the client is using a non-compliant TCP/IP stack or the WinSock call is from a non-supported version.
7 Unsupported Address type.
具體字段與一般字段
當(dāng)選擇一般記錄時(shí),有些字段會(huì)簡(jiǎn)單的用"-"來(lái)填充,具體記錄會(huì)記錄前面列表中所有已知數(shù)據(jù) 。一般日志僅記錄下面的字段:
Client Computer IP
Client User Name
Authentication Status
Date Logged
Time Logged
Server Name
Destination Name
Destination Port
Protocol Name
Object Name
Object Source
Result Code
閱讀日志有時(shí)會(huì)非常糊涂,因?yàn)橛袝r(shí)看上去代理服務(wù)器沒(méi)有記錄正確的信息 。最重要的是記住保持字段順序的正確,很快你就能正確地理解它們了 。

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