Hi Mihai!
On Sat, 28 Jun 2003, Mihai RUSU wrote:
> On Fri, 27 Jun 2003, Bogdan Marinca wrote:
>
> > [EMAIL PROTECTED] bogdan]$ ping 202.76.147.10
> > PING 202.76.147.10 (202.76.147.10) from 194.176.189.26 : 56(84) bytes of data.
> > 64 bytes from 202.76.147.10: icmp_seq=0 ttl=230 time=394.089 msec
> > 64 bytes from 202.76.147.10: icmp_seq=1 ttl=230 time=400.546 msec
> > 64 bytes from 202.76.147.10: icmp_seq=2 ttl=230 time=388.000 msec
> >
> > ... etc ...
> >
> >
> > Ce ziceti, isi bate joc de mine serveru lde ftp de la 202.76.147.10 ?
>
> Incearca in timpul transferului un ping cu packete de 1500 bytes (-s 1492
> ?). Ti se intampla totdeauna la acelasi fisier si in acelasi loc ?
> (content filtering) Ti se intampla mai des cu anumite servere/fisiere
> decat cu altele ? Sau cu anumiti clienti ?
[EMAIL PROTECTED] bogdan]# ping -s 1492 202.76.147.10
PING 202.76.147.10 (202.76.147.10) from 194.176.189.26 : 1492(1520) bytes of data.
1500 bytes from 202.76.147.10: icmp_seq=1 ttl=230 time=421.426 msec
1500 bytes from 202.76.147.10: icmp_seq=3 ttl=230 time=417.304 msec
1500 bytes from 202.76.147.10: icmp_seq=5 ttl=230 time=440.965 msec
1500 bytes from 202.76.147.10: icmp_seq=6 ttl=230 time=424.697 msec
1500 bytes from 202.76.147.10: icmp_seq=8 ttl=230 time=451.531 msec
1500 bytes from 202.76.147.10: icmp_seq=10 ttl=230 time=433.467 msec
--- 202.76.147.10 ping statistics ---
11 packets transmitted, 6 packets received, 45% packet loss
round-trip min/avg/max/mdev = 417.304/431.565/451.531/11.860 ms
[EMAIL PROTECTED] bogdan]# ping -s 1500 202.76.147.10
PING 202.76.147.10 (202.76.147.10) from 194.176.189.26 : 1500(1528) bytes of data.
1508 bytes from 202.76.147.10: icmp_seq=0 ttl=230 time=430.570 msec
1508 bytes from 202.76.147.10: icmp_seq=1 ttl=230 time=442.160 msec
1508 bytes from 202.76.147.10: icmp_seq=2 ttl=230 time=420.057 msec
1508 bytes from 202.76.147.10: icmp_seq=5 ttl=230 time=442.152 msec
1508 bytes from 202.76.147.10: icmp_seq=6 ttl=230 time=438.970 msec
1508 bytes from 202.76.147.10: icmp_seq=7 ttl=230 time=435.749 msec
1508 bytes from 202.76.147.10: icmp_seq=8 ttl=230 time=479.583 msec
--- 202.76.147.10 ping statistics ---
10 packets transmitted, 7 packets received, 30% packet loss
round-trip min/avg/max/mdev = 420.057/441.320/479.583/17.198 ms
[EMAIL PROTECTED] bogdan]# netstat -tpn | grep ftp
tcp 0 0 194.176.189.26:38275 202.76.147.10:21 ESTABLISHED
13218/ftp
[EMAIL PROTECTED] bogdan]# ps axu | grep 13218
bogdan 13218 0.0 0.2 2112 736 pts/10 S Jun27 0:00 ftp
root 2286 0.0 0.2 1624 608 pts/13 S 17:00 0:00 grep 13218
... deci de ieri e conexiunea deskisa ... cred ca de muult serverul de ftp isi vede de
ale lui :)
[EMAIL PROTECTED] bogdan]# strace -f -p 13218
read(3,
Deci ... daca nu a primit FIN sau RESET ... sau astea s'au pierdut pe
drum ... nu se mai face retry ?
Daca nu se raspune la retry, nu exista timeout? (sau acesta este
extrem de mare, nedefinit de mare?)
Merci,
Bogdan
>
> ----------------------------
> Mihai RUSU
>
> Disclaimer: Any views or opinions presented within this e-mail are solely
> those of the author and do not necessarily represent those of any company,
> unless otherwise specifically stated.
>
>
