Re: [PATCH] tcp FRTO: in-order-only "TCP proxy" fragility workaround

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On Fri, 12 Sep 2008 13:16:19 +0300 (EEST)
"Ilpo Järvinen" <ilpo.jarvinen@xxxxxxxxxxx> wrote:

> Ok.

	Ilpo, except for DROP [INPUT] lines, does the log below means something to you?

Sep 13 20:01:21 teleporto vmunix: DROP [INPUT]: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:73:6c:4b:e5:08:00 SRC=189.31.180.2 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=116 ID=20607 DF PROTO=TCP SPT=4038 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:21 teleporto vmunix: DROP [INPUT]: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:73:6c:4b:e5:08:00 SRC=189.31.180.2 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=116 ID=20616 DF PROTO=TCP SPT=4054 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:21 teleporto vmunix: C193.8. S=5.5.5.5 E=8TS00 RC00 T=1 D262DF PROTO=TCP SPT=4146 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:22 teleporto vmunix: DROP [INPUT]: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:73:6c:4b:e5:08:00 SRC=189.31.180.2 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=116 ID=20690 DF PROTO=TCP SPT=4179 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:22 teleporto vmunix: DROP [INPUT]: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:73:6c:4b:e5:08:00 SRC=189.31.180.2 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=116 ID=20698 DF PROTO=TCP SPT=4201 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:22 teleporto vmunix: DROP [INPUT]: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:73:6c:4b:e5:08:00 SRC=189.31.180.2 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=116 ID=20707 DF PROTO=TCP SPT=4231 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:22 teleporto vmunix: DROP [INPUT]: IN=eth0 OUT= MAC=ff:ff:ff:ff:ff:ff:00:50:73:6c:4b:e5:08:00 SRC=189.31.180.2 DST=255.255.255.255 LEN=48 TOS=0x00 PREC=0x00 TTL=116 ID=20725 DF PROTO=TCP SPT=4294 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:22 teleporto vmunix: OOTPST45 P=89WNO=53 E=x0SNUG= 

	I mean these lines:

Sep 13 20:01:21 teleporto vmunix: C193.8. S=5.5.5.5 E=8TS00 RC00 T=1 D262DF PROTO=TCP SPT=4146 DPT=4899 WINDOW=65535 RES=0x00 SYN URGP=0 
Sep 13 20:01:22 teleporto vmunix: OOTPST45 P=89WNO=53 E=x0SNUG= 

	This was registered during a stall. I didn't collect more data because I had to restore the server as fast as I can.

	If it doesn't help or doen't mean anything useful, please ignore.

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