Univerzalni server

Neděle Září 13 17:17:47 CEST 1998

On 13 Sep 1998, Michal Krause wrote:

> Pavel Cech wrote:
> > 
> > Asi jsem to spatne pochopil....
> > Pokud chces sledovat na nejakem portu tok.., tak prubni tcpdump
> 
> Ani to neni to prave. Nechci sledovat pakety, ale spis obsah. Zkusim to jeste
> upresnit. Pokud bych ten program spustil tak, aby naslouchal spojeni na portu 80
> a spustim treba lynx pocitac/index.html, tak by mi mel nekam vypsat treba tohle:
> GET /index.html HTTP/1.1
> Accept: text/plain, text/html
> User-aget: Lynx 2.8 libwww 1.5
>  *
>  *
>  *

To presne umi tcpdump. :-)

# tcpdump -s 1500 -w -|less

[garbage]

GET / HTTP/1.0
Host: www.seznam.cz
Accept: text/html, text/plain, audio/x-realaudio, audio/au,
audio/x-wav,audio/wav, audio/wav, image/x-ms-bmp, image/x-png,
audio/x-aiff, audio/x-mod, video/quicktime, video/x-msvideo,
video/x-sgi-movie, video/mpeg, video/x-mpeg2, audio/x-pn-realaudio
Accept: audio/x-midi, audio/midi, application/postscript,
application/postscript/ps, text/sgml, image/*, application/postscript,
*/*;q=0.01
Accept-Encoding: gzip, compress
Accept-Language: cz,en
Accept-Charset: iso-8859-2, iso-8859-1;q=0.01, us-ascii;q=0.01
Negotiate: trans
User-Agent: Lynx/2.8rel.3 libwww-FM/2.14

[garbage]

Date: Sun, 13 Sep 1998 14:19:38 GMT
Server: Apache/1.2.6 mod_czech/2.4.0 PHP/FI-2.0b12
Set-Cookie: Apache=19519425905696378913; path=/
Connection: close
Content-Type: text/html

<!-- Copyright - Seznam, Ivo Lukacovic -->
<!-- HLAVICKA ----------------------------------------------------- -->
<html>

Ten less je tam dulezity, protoze ta binarni data napriklad od resolveru
jinak pomrsi terinal..

Hynek