Subject: Re: Does this ring a bell?
To: Giles Lean <giles@nemeton.com.au>
From: Greg Troutman <mor@linex.com>
List: netbsd-users
Date: 07/20/2000 09:44:20
Giles Lean wrote:
>
> > just can't understand... Something in the kernel config doesn't like
> > chatting with these sites???? I don't know. Help please.
>
> Mmm ... as a wild guess, and assuming that 1.4.2 has this variable:
>
> # sysctl -w net.inet.tcp.rfc1323=0
I did this and it did not seem to help. Though I get ->0 response, is
it possible this will not take affect for a while???
> If you don't see a change, then it will be time to get out tcpdump.
> But perhaps someone else can comment on those particular sites, too.
I just ran tcpdump on my ppp0 interface and tried to connect to
http://www.ask.com, and here is the sum total output. 208.185.160.9 is
www.ask.com.
---------
09:32:48.121922 199.4.98.59.50666 > 208.185.160.9.www: S
2924857543:2924857543(0) win 16384 <mss 1460>
09:32:48.299051 208.185.160.9.www > 199.4.98.59.50666: S
739269912:739269912(0) ack 2924857544 win 8760 <mss 1460> (DF)
09:32:48.299304 199.4.98.59.50666 > 208.185.160.9.www: . ack 1 win 17520
09:32:48.301637 199.4.98.59.50666 > 208.185.160.9.www: P 1:109(108) ack
1 win 17520
09:32:48.614420 208.185.160.9.www > 199.4.98.59.50666: P 1:542(541) ack
109 win 8652 (DF)
09:32:48.630181 199.4.98.59.50666 > 208.185.160.9.www: . ack 542 win
17520
09:32:48.738567 208.185.160.9.www > 199.4.98.59.50666: P 2002:2655(653)
ack 109 win 8652 (DF)
09:32:48.738813 199.4.98.59.50666 > 208.185.160.9.www: . ack 542 win
17520
09:32:51.930166 [|ip]
09:32:52.013775 [|ip]
09:33:06.940169 [|ip]
09:33:07.022514 [|ip]
09:33:21.950315 [|ip]
09:33:22.032077 [|ip]
Then it goes on and on like this indefinitely... Any idea what this
means?