Ok, thanks, I now ran tcpdump with -n. Here I am testing with a little script that continuously accesses one of the pages. Right at the beginning it doesn't get very far: first response after 90 seconds.
What kind of DNS problem did you have in mind? Stephan $ sudo /usr/sbin/tcpdump -n host stbgo.org Password: tcpdump: listening on eth0 21:40:22.162536 192.168.2.54.35932 > 65.110.18.138.80: S 1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980 52714 0,nop,wscale 0> (DF) 21:40:25.160150 192.168.2.54.35932 > 65.110.18.138.80: S 1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980 53014 0,nop,wscale 0> (DF) 21:40:31.160150 192.168.2.54.35932 > 65.110.18.138.80: S 1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980 53614 0,nop,wscale 0> (DF) 21:40:43.160143 192.168.2.54.35932 > 65.110.18.138.80: S 1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980 54814 0,nop,wscale 0> (DF) 21:41:07.160149 192.168.2.54.35932 > 65.110.18.138.80: S 1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980 57214 0,nop,wscale 0> (DF) 21:41:55.160152 192.168.2.54.35932 > 65.110.18.138.80: S 1526509984:1526509984(0) win 5840 <mss 1460,sackOK,timestamp 980 62014 0,nop,wscale 0> (DF) 21:41:55.174033 65.110.18.138.80 > 192.168.2.54.35932: S 432853648:432853648(0) ack 1526509985 win 65535 <mss 1460,nop,ws cale 1,nop,nop,timestamp 719800431 98062014,sackOK,eol> (DF) 21:41:55.174139 192.168.2.54.35932 > 65.110.18.138.80: . ack 1 win 5840 <nop,nop,timestamp 98062015 719800431> (DF) 21:41:55.175738 192.168.2.54.35932 > 65.110.18.138.80: P 1:15(14) ack 1 win 5840 <nop,nop,timestamp 98062015 719800431> ( DF) 21:41:55.290528 65.110.18.138.80 > 192.168.2.54.35932: . ack 15 win 33304 <nop,nop,timestamp 719800549 98062015> (DF) 21:41:55.290665 192.168.2.54.35932 > 65.110.18.138.80: P 15:73(58) ack 1 win 5840 <nop,nop,timestamp 98062027 719800549> (DF) On 12/26/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
On Tue, 26 Dec 2006, Stephan Wehner wrote: > Most of the times I find the server responds nicely. But periodically it > doesn't respond properly when accessing its webpages: Type URL in > browser, hit return, no page appears. Try again and again and after a > few times it appears. DNS. try tcpdump -n -alex
-- Stephan Wehner
http://stephan.sugarmotor.org http://stephansmap.org http://www.trafficlife.com http://www.buckmaster.ca
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