Re: [gentoo-user] strange network problem

[Florian CROUZAT]

On 7 sept. 2010, at 15:51, 路 wrote:

> Thinks everyone:
>  DNS woks well for me. i can ping www.google.com. Just can't access it in web-browsers without rebooting system.Sometimes I thought mybe it's the problem of Power.But now i doubt  about it! Because even while I am watching videos online( about half an our) it happens.
> Here is the wireshark capture result:    I don't know why there are so manay "RTS".
> Seq=0 Ack=1 Win=5672 Len=0 MSS=1430 TSV=1581039706 TSER=40437152 WS=6"
> "32","14.006920","192.168.1.102","64.233.181.113","TCP","57028 > http [SYN] Seq=0 Win=5840 Len=0 MSS=1460 TSV=40490336 TSER=0 WS=6"
> "33","15.045762","64.233.181.113","192.168.1.102","TCP","http > 57028 [SYN, ACK] Seq=0 Ack=1 Win=5672 Len=0 MSS=1430 TSV=3738233147 TSER=40437152 WS=6"
> "34","15.045788","192.168.1.102","64.233.181.113","TCP","57028 > http [RST] Seq=1 Win=0 Len=0"
> "35","15.063001","64.233.181.113","192.168.1.102","TCP","http > 57028 [SYN, ACK] Seq=0 Ack=1 Win=5672 Len=0 MSS=1430 TSV=3738233315 TSER=40437152 WS=6"
> "36","15.063027","192.168.1.102","64.233.181.113","TCP","57028 > http [RST] Seq=1 Win=0 Len=0"

Since you are the one sending RESETs instead of ACKs, I'd use hping (hping -S -p 80 64.233.181.113) and check if the box also sends RESETs instead of ACKs using CLI, or with bash+nc : 
( echo "GET / HTTP/1.0" ; echo ; echo "host:www.google.com" ; echo ) | nc 64.233.181.113 80
If you can actually read google sources using that, your browser is to blame, or a plugin ?

-----
Florian.
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