#24083 [Opn-Fbk]: Content-Encoding: gzip output includes the wrong Content-Length header
ID: 24083 Updated by: [EMAIL PROTECTED] Reported By: yngve at opera dot com -Status: Open +Status: Feedback -Bug Type:*Compression related +Bug Type:Zlib Related PHP Version: 4.3.1 New Comment: Does this happen with PHP 4.3.2 ? Previous Comments: [2003-06-08 15:24:24] yngve at opera dot com I am a developer with Opera Software, the developer of the Opera browser. We have received several reports about problems with forums using VBulletin, but based on what I've learned I suspect that the problem is a general PHP problem, not Vbulletin specific. The reason for the problem turns out to be the same, or of a similar nature, as my earlier bug report #12884. A while ago I was in contact with one of the boards affected by the problem Rage3D.com. They reported back that they were able to solve the problem by turning off global compression From the Rage3D people (with permission): The problem was caused because we were running the php output_handler = ob_gzhandler for global site compression. vB didn't know to use the right content length header. We've resolved the issue by turning off global compression and enabling gzip encoding through vBulletin. We will be seeing if an updated gzip library for our server will resolve the issue so we can run global php compression in the future. The following is a hexdump of the request and response headers from one of my tests (before Rage3D fixed the problem). --- : 47 45 54 20 2f 62 6f 61 72 64 2f 20 48 54 54 50 GET /board/ HTTP 0010 : 2f 31 2e 31 0d 0a 55 73 65 72 2d 41 67 65 6e 74 /1.1..User-Agent 0020 : 3a 20 4d 6f 7a 69 6c 6c 61 2f 34 2e 30 20 28 63 : Mozilla/4.0 (c 0030 : 6f 6d 70 61 74 69 62 6c 65 3b 20 4d 53 49 45 20 ompatible; MSIE 0040 : 36 2e 30 3b 20 57 69 6e 64 6f 77 73 20 4e 54 20 6.0; Windows NT 0050 : 35 2e 30 29 20 4f 70 65 72 61 20 37 2e 31 31 20 5.0) Opera 7.11 0060 : 20 5b 65 6e 5d 0d 0a 48 6f 73 74 3a 20 77 77 77 [en]..Host: www 0070 : 2e 72 61 67 65 33 64 2e 63 6f 6d 0d 0a 41 63 63 .rage3d.com..Acc 0080 : 65 70 74 3a 20 74 65 78 74 2f 68 74 6d 6c 2c 20 ept: text/html, 0090 : 69 6d 61 67 65 2f 70 6e 67 2c 20 69 6d 61 67 65 image/png, image 00a0 : 2f 6a 70 65 67 2c 20 69 6d 61 67 65 2f 67 69 66 /jpeg, image/gif 00b0 : 2c 20 69 6d 61 67 65 2f 78 2d 78 62 69 74 6d 61 , image/x-xbitma 00c0 : 70 2c 20 2a 2f 2a 3b 71 3d 30 2e 31 0d 0a 41 63 p, */*;q=0.1..Ac 00d0 : 63 65 70 74 2d 4c 61 6e 67 75 61 67 65 3a 20 65 cept-Language: e 00e0 : 6e 3b 71 3d 31 2e 30 2c 65 6e 3b 71 3d 30 2e 39 n;q=1.0,en;q=0.9 00f0 : 0d 0a 41 63 63 65 70 74 2d 43 68 61 72 73 65 74 ..Accept-Charset 0100 : 3a 20 77 69 6e 64 6f 77 73 2d 31 32 35 32 2c 20 : windows-1252, 0110 : 75 74 66 2d 38 2c 20 75 74 66 2d 31 36 2c 20 69 utf-8, utf-16, i 0120 : 73 6f 2d 38 38 35 39 2d 31 3b 71 3d 30 2e 36 2c so-8859-1;q=0.6, 0130 : 20 2a 3b 71 3d 30 2e 31 0d 0a 41 63 63 65 70 74 *;q=0.1..Accept 0140 : 2d 45 6e 63 6f 64 69 6e 67 3a 20 64 65 66 6c 61 -Encoding: defla 0150 : 74 65 2c 20 67 7a 69 70 2c 20 78 2d 67 7a 69 70 te, gzip, x-gzip 0160 : 2c 20 69 64 65 6e 74 69 74 79 2c 20 2a 3b 71 3d , identity, *;q= 0170 : 30 0d 0a 43 6f 6e 6e 65 63 74 69 6f 6e 3a 20 4b 0..Connection: K 0180 : 65 65 70 2d 41 6c 69 76 65 0d 0a 0d 0aeep-Alive : 48 54 54 50 2f 31 2e 31 20 32 30 30 20 4f 4b 0d HTTP/1.1 200 OK. 0010 : 0a 53 65 72 76 65 72 3a 20 4d 69 63 72 6f 73 6f .Server: Microso 0020 : 66 74 2d 49 49 53 2f 35 2e 30 0d 0a 44 61 74 65 ft-IIS/5.0..Date 0030 : 3a 20 54 68 75 2c 20 30 38 20 4d 61 79 20 32 30 : Thu, 08 May 20 0040 : 30 33 20 30 32 3a 32 30 3a 30 33 20 47 4d 54 0d 03 02:20:03 GMT. 0050 : 0a 43 6f 6e 6e 65 63 74 69 6f 6e 3a 20 63 6c 6f .Connection: clo 0060 : 73 65 0d 0a 58 2d 50 6f 77 65 72 65 64 2d 42 79 se..X-Powered-By 0070 : 3a 20 50 48 50 2f 34 2e 33 2e 31 0d 0a 43 6f 6e : PHP/4.3.1..Con 0080 : 74 65 6e 74 2d 74 79 70 65 3a 20 74 65 78 74 2f tent-type: text/ 0090 : 68 74 6d 6c 0d 0a 53 65 74 2d 43 6f 6f 6b 69 65 html..Set-Cookie 00a0 : 3a 20 73 65 73 73 69 6f 6e 68 61 73 68 3d 38 65 : sessionhash=8e 00b0 : 33 32 32 36 63 30 33 32 34 31 31 32 32 66 33 30 3226c03241122f30 00c0 : 31 38 64 64 33 64 64 62 38 61 38 63 37 61 3b 20 18dd3ddb8a8c7a; 00d0 : 70 61 74 68 3d 2f 0d 0a 53 65 74 2d 43 6f 6f 6b path=/..Set-Cook 00e0 : 69 65 3a 20 62 62 6c 61 73 74 76 69 73 69 74 3d ie: bblastvisit= 00f0 : 31 30 35 32 33 36 30 34 30 33 3b 20 65 78 70 69 1052360403; expi 0100 : 72 65 73 3d 46 72 69 2c 20 30 37 2d 4d 61 79 2d res=Fri, 07-May- 0110 : 32 30 30 34 20 30 32 3a 32 30 3a 30 33 20 47 4d 2004 02:20:03 GM 0120 : 54 3b 20 70 61 74 68 3d 2f 0d 0a 43 6f 6e 74 65 T; path=/..Conte 0130 : 6e 74 2d 4c 65 6e 67 74 68 3a 20 36 39 31 37 33 nt-Length: 69173 0140 : 0d 0a 43 6f 6e 74 65 6e 74 2d 45 6e 63 6f 64 69 ..Content-Encodi 0150 : 6e 67 3a 20 67 7a 69
#24083 [Opn-Fbk]: Content-Encoding: gzip output includes the wrong Content-Length header
ID: 24083 Updated by: [EMAIL PROTECTED] Reported By: yngve at opera dot com -Status: Open +Status: Feedback Bug Type:Zlib Related PHP Version: 4.3.1 New Comment: We still need a short script to reproduce this, anything I've tried works just fine.. Previous Comments: [2003-06-09 09:01:37] yngve at opera dot com I do not know if this is present in 4.3.2 as I am not using PHP myself, but I do know that the problem is present on servers using PHP 4.2.2 and 4.3.1, and your changelog does not indicate many changes related to compression, and none that I can see are related to this problem. [2003-06-09 08:30:01] [EMAIL PROTECTED] Does this happen with PHP 4.3.2 ? [2003-06-08 15:24:24] yngve at opera dot com I am a developer with Opera Software, the developer of the Opera browser. We have received several reports about problems with forums using VBulletin, but based on what I've learned I suspect that the problem is a general PHP problem, not Vbulletin specific. The reason for the problem turns out to be the same, or of a similar nature, as my earlier bug report #12884. A while ago I was in contact with one of the boards affected by the problem Rage3D.com. They reported back that they were able to solve the problem by turning off global compression From the Rage3D people (with permission): The problem was caused because we were running the php output_handler = ob_gzhandler for global site compression. vB didn't know to use the right content length header. We've resolved the issue by turning off global compression and enabling gzip encoding through vBulletin. We will be seeing if an updated gzip library for our server will resolve the issue so we can run global php compression in the future. The following is a hexdump of the request and response headers from one of my tests (before Rage3D fixed the problem). --- : 47 45 54 20 2f 62 6f 61 72 64 2f 20 48 54 54 50 GET /board/ HTTP 0010 : 2f 31 2e 31 0d 0a 55 73 65 72 2d 41 67 65 6e 74 /1.1..User-Agent 0020 : 3a 20 4d 6f 7a 69 6c 6c 61 2f 34 2e 30 20 28 63 : Mozilla/4.0 (c 0030 : 6f 6d 70 61 74 69 62 6c 65 3b 20 4d 53 49 45 20 ompatible; MSIE 0040 : 36 2e 30 3b 20 57 69 6e 64 6f 77 73 20 4e 54 20 6.0; Windows NT 0050 : 35 2e 30 29 20 4f 70 65 72 61 20 37 2e 31 31 20 5.0) Opera 7.11 0060 : 20 5b 65 6e 5d 0d 0a 48 6f 73 74 3a 20 77 77 77 [en]..Host: www 0070 : 2e 72 61 67 65 33 64 2e 63 6f 6d 0d 0a 41 63 63 .rage3d.com..Acc 0080 : 65 70 74 3a 20 74 65 78 74 2f 68 74 6d 6c 2c 20 ept: text/html, 0090 : 69 6d 61 67 65 2f 70 6e 67 2c 20 69 6d 61 67 65 image/png, image 00a0 : 2f 6a 70 65 67 2c 20 69 6d 61 67 65 2f 67 69 66 /jpeg, image/gif 00b0 : 2c 20 69 6d 61 67 65 2f 78 2d 78 62 69 74 6d 61 , image/x-xbitma 00c0 : 70 2c 20 2a 2f 2a 3b 71 3d 30 2e 31 0d 0a 41 63 p, */*;q=0.1..Ac 00d0 : 63 65 70 74 2d 4c 61 6e 67 75 61 67 65 3a 20 65 cept-Language: e 00e0 : 6e 3b 71 3d 31 2e 30 2c 65 6e 3b 71 3d 30 2e 39 n;q=1.0,en;q=0.9 00f0 : 0d 0a 41 63 63 65 70 74 2d 43 68 61 72 73 65 74 ..Accept-Charset 0100 : 3a 20 77 69 6e 64 6f 77 73 2d 31 32 35 32 2c 20 : windows-1252, 0110 : 75 74 66 2d 38 2c 20 75 74 66 2d 31 36 2c 20 69 utf-8, utf-16, i 0120 : 73 6f 2d 38 38 35 39 2d 31 3b 71 3d 30 2e 36 2c so-8859-1;q=0.6, 0130 : 20 2a 3b 71 3d 30 2e 31 0d 0a 41 63 63 65 70 74 *;q=0.1..Accept 0140 : 2d 45 6e 63 6f 64 69 6e 67 3a 20 64 65 66 6c 61 -Encoding: defla 0150 : 74 65 2c 20 67 7a 69 70 2c 20 78 2d 67 7a 69 70 te, gzip, x-gzip 0160 : 2c 20 69 64 65 6e 74 69 74 79 2c 20 2a 3b 71 3d , identity, *;q= 0170 : 30 0d 0a 43 6f 6e 6e 65 63 74 69 6f 6e 3a 20 4b 0..Connection: K 0180 : 65 65 70 2d 41 6c 69 76 65 0d 0a 0d 0aeep-Alive : 48 54 54 50 2f 31 2e 31 20 32 30 30 20 4f 4b 0d HTTP/1.1 200 OK. 0010 : 0a 53 65 72 76 65 72 3a 20 4d 69 63 72 6f 73 6f .Server: Microso 0020 : 66 74 2d 49 49 53 2f 35 2e 30 0d 0a 44 61 74 65 ft-IIS/5.0..Date 0030 : 3a 20 54 68 75 2c 20 30 38 20 4d 61 79 20 32 30 : Thu, 08 May 20 0040 : 30 33 20 30 32 3a 32 30 3a 30 33 20 47 4d 54 0d 03 02:20:03 GMT. 0050 : 0a 43 6f 6e 6e 65 63 74 69 6f 6e 3a 20 63 6c 6f .Connection: clo 0060 : 73 65 0d 0a 58 2d 50 6f 77 65 72 65 64 2d 42 79 se..X-Powered-By 0070 : 3a 20 50 48 50 2f 34 2e 33 2e 31 0d 0a 43 6f 6e : PHP/4.3.1..Con 0080 : 74 65 6e 74 2d 74 79 70 65 3a 20 74 65 78 74 2f tent-type: text/ 0090 : 68 74 6d 6c 0d 0a 53 65 74 2d 43 6f 6f 6b 69 65 html..Set-Cookie 00a0 : 3a 20 73 65 73 73 69 6f 6e 68 61 73 68 3d 38 65 : sessionhash=8e 00b0 : 33 32 32 36 63 30 33 32 34 31 31 32 32 66 33 30 3226c03241122f30 00c0 : 31 38 64 64 33 64 64 62 38 61 38 63 37 61 3b 20 18dd3ddb8a8c7a; 00d0 : 70 61 74 68 3d 2f 0d 0a 53 65 74 2d 43 6f 6f
