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Re: [NETVAERK] simpelt netværksovervågningsværktøj



On Thu, 21 Jul 2005, Ivar Madsen wrote:

> Anders Aspegren Søndergaard skrev i sslug.netvaerk:
> 
> > Iptraf kan vise hvordan pakkerne suser ind of ud af dit netinterface,
> > måle hastigheder og andre sjove ting.
> 
> Det skulle jeg prøve
> 
> 192.168.1.1 er routeren
> 192.168.1.100 er maskinen selv
> 
> Hvad er det for trafik? Iløbet af få minutter, så er den oppe på 1606
> pakker, som nedestående. (nærmer sig de 2 tusinde)
> 
> | UDP (328 bytes) from 192.168.1.100:68 to 192.168.1.1:67 on eth0                                      
> ? UDP (328 bytes) from 192.168.1.1:67 to 192.168.1.100:68 on eth0                                      
> ? UDP (120 bytes) from 192.168.1.100:631 to 192.168.1.255:631 on eth0                                  
> ? UDP (120 bytes) from 192.168.1.100:631 to 192.168.1.255:631 on eth0                                  
> ? UDP (328 bytes) from 192.168.1.100:68 to 192.168.1.1:67 on eth0                                      
> ? UDP (328 bytes) from 192.168.1.1:67 to 192.168.1.100:68 on eth0                                      
> ? UDP (120 bytes) from 192.168.1.100:631 to 192.168.1.255:631 on eth0                                  
> ? UDP (328 bytes) from 192.168.1.100:68 to 192.168.1.1:67 on eth0                                      
> ? UDP (328 bytes) from 192.168.1.1:67 to 192.168.1.100:68 on eth0                                      
> ? UDP (120 bytes) from 192.168.1.100:631 to 192.168.1.255:631 on eth0     

Port 67/68: Bootp-protokollen. Noget der minder om DHCP.

Port 631: Annoncering af en printer. Du kører sikkert CUPS på
192.168.1.100.


/Ole
-- 
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