- · Unable to view OAB and OOF via Outlook Anywhere published through TMG/ISA. of the header: 10.20.20.11 10.20.20.1 HTTP. Server: Microsoft.
- HTTP Headers Reference. Both HTTP requests and HTTP responses use headers to send information about the HTTP message. A header. Server: Microsoft.
- · . the Web server's replies carry TTL information in the Expires header. the HTTP tab. ISA Server's. Microsoft ISA Server.
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![Microsoft Isa Server Http Header Expires Microsoft Isa Server Http Header Expires](http://www.isaserver.org/img/upl/vpnkitbeta2/vpnclienteap/fig151.jpg)
· Error 502 “The data is invalid” while browsing Internet through TMG 2010 RC. The HTTP Header when it works. Server: WEBSRV. Expires.
IP Address revealed on redirection requests on HTTP/1. My ramblings on ASP. NET and IISRecently worked on interesting case where internal IP address was revealed whenever we try to query through wfetch tool Request Flow==========Client - > ISA - > IIS 7x. We have DNS installed on ISA server, having A record entry iistest.
Microsoft ISA Server 2006. Analysis of HTTP Header. Expires: 1970-01-01: Whois Server: Website IP Information.
First thought was to follow kb 8. IIS 7 box (it’s new install)C: \Windows\System. Server/server. Runtime /alternate. Host. Name: "iistest. That didn't help .
Thought to capture Netmon sniffer trace for : 1) Request from wfetch. Request from IERequest: GET /exchange/ HTTP/1. Response: HTTP/1. Moved Temporarily. Content- Length: 0.
Location: http: //X. X. X. 2. 0/exchweb/bin/auth/owalogon. X. X. X. 2. 0/exchange/& reason=0& replace. Current=1. Set- Cookie: sessionid=; path=/; expires=Thu, 0. Jan- 1. 97. 0 0. 0: 0.
GMTSet- Cookie: cadata=; path=/; expires=Thu, 0. Jan- 1. 97. 0 0. 0: 0. GMTDate: Tue, 0. 2 Dec 2. GMTConnection: close. Request: GET /exchange HTTP/1. Accept: image/gif, image/x- xbitmap, image/jpeg, image/pjpeg, */*Accept- Language: en- us. UA- CPU: x. 86. Accept- Encoding: gzip, deflate.
User- Agent: Mozilla/4. MSIE 6. 0; Windows NT 5.
SV1; . NET CLR 1. Host: iistest. Connection: Keep- Alive. Response: HTTP/1. Moved Temporarily. Content- Length: 0. Location: http: //iistest/exchweb/bin/auth/owalogon.
Current=1. Set- Cookie: sessionid=; path=/; expires=Thu, 0. Jan- 1. 97. 0 0. 0: 0.
GMTSet- Cookie: cadata=; path=/; expires=Thu, 0. Jan- 1. 97. 0 0. 0: 0.
GMTDate: Tue, 0. 2 Dec 2. GMTThe difference between two requests is HTTP/1. HTTP/1. 1 protocol.
What I can make “HTTP/1. Host header” HTTP/1. GET would be sent directly to the correct server (with a relative path).
So this relative path is translating into IP. Bingo!! now we know whenever we get 3. HTTP/1. 0 , internal IP address is revealed.
Points is how to disable HTTP/1. You can write your own ISAPI filter/Module to scan incoming headers and reject it if its on HTTP/1. Or Use URL Rewrite module on IIS 7. I followed the later approach and created rewrite rule in web. Default website location (C: \inetpub\wwwroot ) < rewrite> < rules> < rule name="Request.
Blocking. Rule. 1" pattern. Syntax="Wildcard" stop. Processing="true"> < match url="*" /> < conditions> < add input="{SERVER_PROTOCOL}" pattern="HTTP/1. Abort. Request" /> < /rule> < /rules> < /rewrite> < /system. Server> This rule blocked requests coming on HTTP/1. HTTP/1. 0 not allowed.