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http://issues.apache.org/bugzilla/show_bug.cgi?id=40599

           Summary: NTLM does not work with Internet Explorer
           Product: Apache httpd-2
           Version: 2.0.54
          Platform: PC
               URL: http://www.brueck.ws
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core
        AssignedTo: [email protected]
        ReportedBy: [EMAIL PROTECTED]


I use a php script that does the NTLM challenge. Unfortunately this only works
with Firefox (1.5.0.7). No IE (from 5.0 to 6.0) works - after the final request,
the page will not show up.

I enclosed some whireshark headers:

No.     Time        Source                Destination           Protocol Info
      2 0.453037    192.168.0.25          192.168.0.202         TCP      1499 >
http [SYN] Seq=0 Len=0 MSS=1460
      3 0.448680    192.168.0.202         192.168.0.25          TCP      http >
1499 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460
      4 0.448735    192.168.0.25          192.168.0.202         TCP      1499 >
http [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0
      5 0.453533    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1
      6 0.449109    192.168.0.202         192.168.0.25          TCP      http >
1499 [ACK] Seq=1 Ack=373 Win=6432 Len=0
      7 0.450580    192.168.0.202         192.168.0.25          HTTP    
HTTP/1.1 401 Unauthorized
      8 0.455151    192.168.0.202         192.168.0.25          TCP      http >
1499 [FIN, ACK] Seq=226 Ack=373 Win=6432 Len=0
      9 0.455177    192.168.0.25          192.168.0.202         TCP      1499 >
http [ACK] Seq=373 Ack=227 Win=65310 [TCP CHECKSUM INCORRECT] Len=0
     10 0.455479    192.168.0.25          192.168.0.202         TCP      1499 >
http [FIN, ACK] Seq=373 Ack=227 Win=65310 [TCP CHECKSUM INCORRECT] Len=0
     11 0.451032    192.168.0.202         192.168.0.25          TCP      http >
1499 [ACK] Seq=227 Ack=374 Win=6432 Len=0
     12 0.456433    192.168.0.25          192.168.0.202         TCP      1500 >
http [SYN] Seq=0 Len=0 MSS=1460
     13 0.456523    192.168.0.202         192.168.0.25          TCP      http >
1500 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460
     14 0.456541    192.168.0.25          192.168.0.202         TCP      1500 >
http [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0
     15 0.452194    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1, NTLMSSP_NEGOTIATE
     16 0.456795    192.168.0.202         192.168.0.25          TCP      http >
1500 [ACK] Seq=1 Ack=459 Win=6432 Len=0
     17 0.453824    192.168.0.202         192.168.0.25          HTTP    
HTTP/1.1 401 Unauthorized, NTLMSSP_CHALLENGE
     18 0.454348    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1, NTLMSSP_AUTH, User: BEG\mb
     19 0.480430    192.168.0.202         192.168.0.25          TCP      http >
1500 [FIN, ACK] Seq=283 Ack=1037 Win=7514 Len=0
     20 0.480469    192.168.0.25          192.168.0.202         TCP      1500 >
http [ACK] Seq=1037 Ack=284 Win=65253 [TCP CHECKSUM INCORRECT] Len=0
     21 0.485137    192.168.0.25          192.168.0.202         TCP      1500 >
http [FIN, ACK] Seq=1037 Ack=284 Win=65253 [TCP CHECKSUM INCORRECT] Len=0
     22 0.481855    192.168.0.202         192.168.0.25          TCP      http >
1500 [ACK] Seq=284 Ack=1038 Win=7514 Len=0

That is where the Internet Explorer stops. Interestingly, Firefox goes further:

No.     Time        Source                Destination           Protocol Info
      5 4.303368    192.168.0.25          192.168.0.202         TCP      1501 >
http [SYN] Seq=0 Len=0 MSS=1460
      6 4.307940    192.168.0.202         192.168.0.25          TCP      http >
1501 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460
      7 4.307982    192.168.0.25          192.168.0.202         TCP      1501 >
http [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0
      8 4.303671    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1
      9 4.308207    192.168.0.202         192.168.0.25          TCP      http >
1501 [ACK] Seq=1 Ack=524 Win=6432 Len=0
     10 4.332528    192.168.0.202         192.168.0.25          HTTP    
HTTP/1.1 401 Unauthorized
     11 4.337226    192.168.0.25          192.168.0.202         TCP      1501 >
http [FIN, ACK] Seq=524 Ack=226 Win=65310 [TCP CHECKSUM INCORRECT] Len=0
     12 4.343153    192.168.0.202         192.168.0.25          TCP      http >
1501 [FIN, ACK] Seq=226 Ack=525 Win=6432 Len=0
     13 4.343168    192.168.0.25          192.168.0.202         TCP      1501 >
http [ACK] Seq=525 Ack=227 Win=65310 [TCP CHECKSUM INCORRECT] Len=0
     14 4.362033    192.168.0.25          192.168.0.202         TCP      1502 >
http [SYN] Seq=0 Len=0 MSS=1460
     15 4.362141    192.168.0.202         192.168.0.25          TCP      http >
1502 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460
     16 4.362157    192.168.0.25          192.168.0.202         TCP      1502 >
http [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0
     17 4.366744    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1, NTLMSSP_NEGOTIATE
     18 4.362387    192.168.0.202         192.168.0.25          TCP      http >
1502 [ACK] Seq=1 Ack=610 Win=6699 Len=0
     19 4.364125    192.168.0.202         192.168.0.25          HTTP    
HTTP/1.1 401 Unauthorized, NTLMSSP_CHALLENGE
     20 4.368641    192.168.0.202         192.168.0.25          TCP      http >
1502 [FIN, ACK] Seq=283 Ack=610 Win=6699 Len=0
     21 4.368660    192.168.0.25          192.168.0.202         TCP      1502 >
http [ACK] Seq=610 Ack=284 Win=65253 [TCP CHECKSUM INCORRECT] Len=0
     22 4.377823    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1, NTLMSSP_AUTH, User: BEG\mb
     23 4.377979    192.168.0.25          192.168.0.202         TCP      1502 >
http [FIN, ACK] Seq=1339 Ack=284 Win=65253 [TCP CHECKSUM INCORRECT] Len=0
     24 4.373596    192.168.0.202         192.168.0.25          TCP      http >
1502 [ACK] Seq=284 Ack=1340 Win=8019 Len=0
     25 4.373921    192.168.0.25          192.168.0.202         TCP      1503 >
http [SYN] Seq=0 Len=0 MSS=1460
     26 4.374004    192.168.0.202         192.168.0.25          TCP      http >
1503 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460
     27 4.374018    192.168.0.25          192.168.0.202         TCP      1503 >
http [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0
     28 4.378558    192.168.0.25          192.168.0.202         HTTP     GET
/bp/index.php HTTP/1.1, NTLMSSP_AUTH, User: B\m
     29 4.374200    192.168.0.202         192.168.0.25          TCP      http >
1503 [ACK] Seq=1 Ack=730 Win=7290 Len=0
     30 4.427499    192.168.0.202         192.168.0.25          HTTP    
HTTP/1.1 302 Found (text/html)
     31 4.427626    192.168.0.202         192.168.0.25          TCP      http >
1503 [FIN, ACK] Seq=646 Ack=730 Win=7290 Len=0
     32 4.427657    192.168.0.25          192.168.0.202         TCP      1503 >
http [ACK] Seq=730 Ack=647 Win=64890 [TCP CHECKSUM INCORRECT] Len=0
     33 4.441356    192.168.0.25          192.168.0.202         TCP      1504 >
http [SYN] Seq=0 Len=0 MSS=1460
     34 4.441411    192.168.0.25          192.168.0.202         TCP      1503 >
http [FIN, ACK] Seq=730 Ack=647 Win=64890 [TCP CHECKSUM INCORRECT] Len=0
     35 4.437001    192.168.0.202         192.168.0.25          TCP      http >
1504 [SYN, ACK] Seq=0 Ack=1 Win=5840 Len=0 MSS=1460
     36 4.437032    192.168.0.25          192.168.0.202         TCP      1504 >
http [ACK] Seq=1 Ack=1 Win=65535 [TCP CHECKSUM INCORRECT] Len=0
     37 4.437048    192.168.0.202         192.168.0.25          TCP      http >
1503 [ACK] Seq=647 Ack=731 Win=7290 Len=0
     38 4.441631    192.168.0.25          192.168.0.202         HTTP     GET
/bp/newpage.php HTTP/1.1
     39 4.437267    192.168.0.202         192.168.0.25          TCP      http >
1504 [ACK] Seq=1 Ack=526 Win=6432 Len=0

Note packet 28 - why is the request retransmitted?

I know that NTLM is not a priority but I hope you will find a solution!

Best Regards

Marco

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