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seen Apr 17 at 19:20

Jun
28
awarded  Yearling
Feb
14
comment Hotmail Sender ID always fails with “temperror” regardless of SPF
Does this issue really still exist? I'm having exactly the same issue: ALL other ESPs and checks work flawlessly, but hotmail insists on temperrors both for DKIM and for SPF.
Mar
30
awarded  Supporter
Mar
6
revised Linux Slow Start: Changing ip route does not have any effect on initial window
deleted 192 characters in body
Mar
6
revised Linux Slow Start: Changing ip route does not have any effect on initial window
added 45 characters in body
Mar
6
revised Linux Slow Start: Changing ip route does not have any effect on initial window
added 269 characters in body
Mar
5
comment Linux Slow Start: Changing ip route does not have any effect on initial window
I don't know your setup. The original poster asked why despite increasing the initial window size on the server his test connection only has a window size of 5840 bytes. The answer is: Because the client he tested with does not allow a bigger window size. I can't comment on other setups or possibly other problems/bugs with the concept in general.
Mar
5
revised Linux Slow Start: Changing ip route does not have any effect on initial window
added 543 characters in body
Mar
5
comment Linux Slow Start: Changing ip route does not have any effect on initial window
Just to emphasize, I think you got this the wrong way around: The first sending machine is the client as it opens the connection, not your server. It is the client offering the 5840 byte window. The server cannot propose a larger window size, only a smaller one.
Mar
5
comment Linux Slow Start: Changing ip route does not have any effect on initial window
Uh, 17.255.209.0 is your server subnet, right? The packet you are seeing is FROM 21.101.151.198.45873 TO 17.255.209.19.http. I am no expert on tcpdump output, but to me this reads: Hello Server, I am your client, I like 5840 byte windows. :) The next packet would be the server responding with ACK, 5840 is great, cheers. :)
Mar
5
awarded  Editor
Mar
5
revised Linux Slow Start: Changing ip route does not have any effect on initial window
added 126 characters in body
Mar
5
comment Linux Slow Start: Changing ip route does not have any effect on initial window
I assume that's what Sam Saffron is referring to in his comment: Linux 3.0 has an RWIN of 10 MSS (14.600 bytes).
Mar
5
answered Linux Slow Start: Changing ip route does not have any effect on initial window
Mar
5
awarded  Teacher
Mar
5
answered Linux server out of space