NetWork traffic

[Angelos Karageorgiou]

Pavlos Parissis wrote:
> 
> Geia sas,
> Tis teleftaies meres prospathw na vrw ena kalo software gia network traffic monitor alla den vriskw.
> 
> Thelw na exw me ena tropo ta posa Kbytes/Sec kathe host pisw apo ton gateway travai apo ton internet
> kai dioxnei se afto.
> Me liga logia thelw na kserw an sec posa kbytes apo to sinoliko mou bandwidth mesw ths 64ISDN line
> pu exw katanalwnei o kathe host.
> Dokimasa ta:
> mrtg
> netsaint
> ntop
> statnet
> kai mono to ntop edeixne kati,nai men kbytes/sec alla kai se afta simperhlamvane kai thn kinish sto
> local network.
> To mono pou mporousa na kserw htan ana protokollo posa sinolika kbytes exei katevasei 'h exei sthlei
> meso tou protokolou aftu.
> Prospathisa na tou dwsw na vlepei mono kiniseis apo to local net sto internet kai ntoumpalin mesw to
> filtrou
> src net 192.168.0.0/24 and dst net ! 192.168.0.0/24
> dst net 192.168.0.0/24 and src  net!  192.168.0.0/24
> all tipota afto sinexise na mou deixnei gia to netbios-ip protocol pososta.
> Meta tou eipa na kanei monitor mono ta protokola ftp,pop-3,smtp kai http nai men sta grafimata den
> elvepa pleon trafic gia to netbios-ip alla stous hosts mou edeinxe gia paradeigma se ena host pou
> den etrexe o IE kai den eixe kamia kinisi paketwn me
> to internet alla etrexe mono h access database  pou einai ston gateway pou trexei  kai samba na exei
> send kai receive ena karw kbytes.
> Afto to tsekara kai me to tcpdump pu gia ton sigkekrimeno host evlepa paketa na phgaino erxontai
> mono metaksi aftou kai tou samba server.
> 
> Exei kanenas dokimash na kanei afto pou thelw?
> 
> O apoteros skopos aftou pou thelw na kanw einai na thesw oria sth xrhsh tou bandwidth ana xrhsth.
> Na pw gia paradeigma aftos o host den tha katevazei panw apo 3 Kbytes/sec.
> Afto akoma na vrw pws ginete alla prwta prepei na kserw pio host kanei thn megalytery xrhsh tou
> bandwidth kai meta na thesw oria.
> Apo mia matia pou eriksa sta HOWTO den drika kati , mipws iparxei kati allo 'h aplos apo tis polles
> ores sto pc kalokairiatika
> stravothika:)
> 
> Opoia idea einai kalodexoumenh.
> 

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