invalid ICMP error

[Antonis Tsolomitis]

> 
>  L> ti eivai ayto re paidia kai mou exei spasei ta veura:
> 
>  L> kernel: 195.251.159.117 sent an invalid ICMP error to a
>  L> broadcast.
> 
> Einai akribws ayto poy leei. Mia broadcast address den mporei na einai source
> enos datagram, kai ara de mporei na prokalesei th dhmiourgia ICMP errors. H
> kati exeis kanei la8os me to subnetting kai o kernel 8ewrei mia kanonikh IP
> address ws broadcast, h einai kapoia parenergeia apo kapoio attack (an 8ymamai
> kala paizane diaforoi me broadcast addresses kapote)

Apo attack dev eivai sigoura (giati ksekivnse va divei ayto to
myvnma amesws meta tnv egkatastasn (Mandrake 6.1)) opote
kapoia ry0misn eivai la0os. Alla ti ry0misn mporei va to prokalesei auto?
0elw va pw pws mporw va brw ti exw balei la0os; Giati aytn n IP eivai evas
gateway sto diktyo tou pavepistnmiou, IP tnv opoia pote dev edwsa egw
se kamia ry0misn (afou kav dev to nksera ayto to mnxavnma).

0a mporouses va peis loipov kati parapavw giati ka0e liga deuterolepta 
mou petaei ayto to myvnma kai eivai akrws spastiko.

Avtvwns.



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