ok, did another run with a different packet analyzer, one that does
not have winPcap under the hood like WireShark does. I chose
microsoft network monitor 3.4 for the task.
the launch of the 2gb vid import (only part by curl_exec):
format:
packetnumber[TAB] time_date_local_adjusted[TAB] time_offset[TAB]
processname[TAB] source[TAB] destination[TAB] protocolname[TAB]
description[TAB] conv_id[TAB] tolas_comment
134 19:50:08 8-2-2011 31.2774633 Unavailable
WindowsNameOfApacheServer InternetDomainOfApacheServer HTTP
HTTP:Request, POST /site/cms/php/php_(import_)script.php,
Query:PHPSESSID=o365inhor0ln8mqdr0p8vb3rm7&action=batchNext
{HTTP:40, TCP:38, IPv4:8}
135 19:50:08 8-2-2011 31.2777843 Unavailable
InternetDomainOfApacheServer WindowsNameOfApacheServer TCP
TCP:Flags=...A...., SrcPort=3573, DstPort=HTTP(80), PayloadLen=0,
Seq=1169302766, Ack=4118332969, Win=260 (scale factor 0x8) = 66560
{TCP:39, IPv4:8}
136 19:50:08 8-2-2011 31.2781472 Unavailable
InternetDomainOfApacheServer WindowsNameOfApacheServer HTTP
HTTP:Request, POST /site/cms/php/php_(import_)script.php,
Query:PHPSESSID=o365inhor0ln8mqdr0p8vb3rm7&action=batchNext
{HTTP:41, TCP:39, IPv4:8}
138 19:50:08 8-2-2011 31.4807963 Unavailable
WindowsNameOfApacheServer InternetDomainOfApacheServer TCP
TCP:Flags=...A...., SrcPort=HTTP(80), DstPort=3573, PayloadLen=0,
Seq=4118332969, Ack=1169303037, Win=260 (scale factor 0x8) = 66560
{TCP:39, IPv4:8}
139 19:50:08 8-2-2011 31.4859769 Unavailable
InternetDomainOfApacheServer WindowsNameOfApacheServer TCP
TCP:Flags=...A...., SrcPort=HTTP(80), DstPort=3573, PayloadLen=0,
Seq=4118332969, Ack=1169303037, Win=260 (scale factor 0x8) = 66560
{TCP:38, IPv4:8}
140 19:50:08 8-2-2011 31.6234279 adsl-router
WindowsNameOfApacheServer TCP TCP:Flags=......S.,
SrcPort=2456, DstPort=14013, PayloadLen=0, Seq=1335058890, Ack=0,
Win=5840 ( Negotiating scale factor 0x2 ) = 5840 {TCP:42,
IPv4:4}
141 19:50:11 8-2-2011 34.6104085 adsl-router
WindowsNameOfApacheServer TCP TCP:[SynReTransmit #140]
Flags=......S., SrcPort=2456, DstPort=14013, PayloadLen=0,
Seq=1335058890, Ack=0, Win=5840 ( Negotiating scale factor 0x2 ) =
5840 {TCP:42, IPv4:4}
Packet 137 = adsl-router discovery traffic, not relevant.
Then, after 45 minutes or so, the completion of the conversion and
import, with the wanted data sent back to curl_exec() running from
php-cli, which was started by windows.bat
Some other (network discovery) traffic is likely mixed in, I added it
to be on the safe side.
5901 20:32:45 8-2-2011 2588.7346959 Unavailable
WindowsNameOfApacheServer
InternetNameOfApacheServer HTTP HTTP:Response, HTTP/1.1,
Status: Ok,
URL: /site/cms/php/php_(import_)script.php {HTTP:41, TCP:39, IPv4:8}
{{CONTAINS THE WANTED DATA}}
5902 20:32:45 8-2-2011 2588.7354838
InternetNameOfApacheServer WindowsNameOfApacheServer
ICMP ICMP:Destination Unreachable Message, Communication
Administratively Prohibited, 82.161.37.94 {IPv4:8}
5903 20:32:48 8-2-2011 2591.6092751
FE80:0:0:0:E579:89FF:369D:668B FF02:0:0:0:0:0:0:C SSDP SSDP:Request,
M-SEARCH * {HTTP:3, UDP:2, IPv6:1}
5904 20:32:48 8-2-2011 2591.7421833 Unavailable
WindowsNameOfApacheServer
InternetNameOfApacheServer TCP TCP:[ReTransmit
#5901]Flags=...AP...,
SrcPort=HTTP(80), DstPort=3573, PayloadLen=558, Seq=4118332969 -
4118333527, Ack=1169303037, Win=260 (scale factor 0x8) =
66560 {TCP:39, IPv4:8}
5905 20:32:48 8-2-2011 2591.7452755
InternetNameOfApacheServer WindowsNameOfApacheServer
ICMP ICMP:Destination Unreachable Message, Communication
Administratively Prohibited, 82.161.37.94 {IPv4:8}
5906 20:32:49 8-2-2011 2592.4183261 192.168.178.1
WindowsNameOfApacheServer
TCP TCP:Flags=......S., SrcPort=2119, DstPort=14013, PayloadLen=0,
Seq=4038649047, Ack=0, Win=5840 ( Negotiating scale factor 0x2 ) =
5840 {TCP:1001, IPv4:4}
5907 20:32:51 8-2-2011 2594.2343496 Unavailable
WindowsNameOfApacheServer
InternetNameOfApacheServer TCP TCP:Flags=...A...F,
SrcPort=HTTP(80),
DstPort=3573, PayloadLen=0, Seq=4118333527, Ack=1169303037, Win=260
(scale factor 0x8) = 66560 {TCP:39, IPv4:8}
5908 20:32:51 8-2-2011 2594.2349872
InternetNameOfApacheServer WindowsNameOfApacheServer
ICMP ICMP:Destination Unreachable Message, Communication
Administratively Prohibited, 82.161.37.94 {IPv4:8}
5909 20:32:52 8-2-2011 2595.4057840 192.168.178.1
WindowsNameOfApacheServer
TCP TCP:[SynReTransmit #5906]Flags=......S., SrcPort=2119,
DstPort=14013, PayloadLen=0, Seq=4038649047, Ack=0, Win=5840 (
Negotiating scale factor 0x2 ) = 5840 {TCP:1001, IPv4:4}
5910 20:32:52 8-2-2011 2595.6096074
FE80:0:0:0:E579:89FF:369D:668B FF02:0:0:0:0:0:0:C SSDP SSDP:Request,
M-SEARCH * {HTTP:3, UDP:2, IPv6:1}
5911 20:32:54 8-2-2011 2597.7425395 Unavailable
WindowsNameOfApacheServer
InternetNameOfApacheServer TCP TCP:[ReTransmit
#5901]Flags=...AP..F,
SrcPort=HTTP(80), DstPort=3573, PayloadLen=558, Seq=4118332969 -
4118333528, Ack=1169303037, Win=260 (scale factor 0x8) =
66560 {TCP:39, IPv4:8}
5912 20:32:54 8-2-2011 2597.7431815
InternetNameOfApacheServer WindowsNameOfApacheServer
ICMP ICMP:Destination Unreachable Message, Communication
Administratively Prohibited, 82.161.37.94 {IPv4:8}
5913 20:32:55 8-2-2011 2598.6096667
FE80:0:0:0:E579:89FF:369D:668B FF02:0:0:0:0:0:0:C SSDP SSDP:Request,
M-SEARCH * {HTTP:3, UDP:2, IPv6:1}
5914 20:32:56 8-2-2011 2598.8905694
WindowsNameOfApacheServer
192.168.178.1 ARP ARP:Request, 192.168.178.21 asks for
192.168.178.1
5915 20:32:56 8-2-2011 2598.8908810 192.168.178.1
WindowsNameOfApacheServer
ARP ARP:Response, 192.168.178.1 at BC-05-43-15-E7-1E
5916 20:32:58 8-2-2011 2601.3814710 192.168.178.1
WindowsNameOfApacheServer
TCP TCP:[SynReTransmit #5906]Flags=......S., SrcPort=2119,
DstPort=14013, PayloadLen=0, Seq=4038649047, Ack=0, Win=5840 (
Negotiating scale factor 0x2 ) =
5840 {TCP:1001, IPv4:4}
5917 20:32:58 8-2-2011 2601.6098163
FE80:0:0:0:E579:89FF:369D:668B FF02:0:0:0:0:0:0:C SSDP SSDP:Request,
M-SEARCH * {HTTP:3, UDP:2, IPv6:1}
Needless to say, changing network sniffer did not magically fix
things, all the php-level logging still indicates a frozen
curl_exec(), that did get the data.
Note: no warnings about bogus header checksums this time, even though
on packet 5901 i do get a ipv4 header checksum of 0x00, but a
"Checksum: 0xED05, Disregarded" on the tcp header section.
But in the meanwhile I found a new idea to try as well;
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Connection: Keep-Alive',
'Keep-Alive: 300'
));
I already checked via phpinfo() that keep-alive is on in
apache2handler, and no other mentions of "keepalive" or "keep alive"
in the phpinfo() output.
I'll post the results.
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