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# ifconfig eth0 192.168.1.254 netmask 255.255.255.0
# ifconfig eth1 192.168.2.254 netmask 255.255.255.0
# ifconfig plip1 192.168.3.254 pointopoint 192.168.3.1
&&&&&&&&&&&&&&&&&&&&&&&&&&&&&013$!(-(4%15&
# route add -net 192.168.1.0 netmask 255.255.255.0 dev eth0°
# route add -net 192.168.2.0 netmask 255.255.255.0 dev eth1°
# route add -host 192.168.3.1 dev plip1
# route add -host 192.168.3.254 dev plip1
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# route add -net 192.168.1.0 netmask 255.255.255.0 dev eth0°
# route add -net default gw 192.168.1.254
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# route add -host 192.168.3.254 dev plip1
# route add -host 192.168.3.1 dev plip1
# route add -net default gw 192.168.3.254
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# route add -net 192.168.1.0 netmask 255.255.255.0 dev eth0°
# route add -net 192.168.254.0 netmask 255.255.255.0 dev eth1°
# route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.254.2
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# echo 1 > /proc/sys/net/ipv4/ip_forward
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traceroute [opzioni] destinazione [lunghezza ]
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# traceroute portatile.plip.dg
traceroute to portatile.plip.dg (192.168.254.1), 30 hops max, 40 byte packets 1 dinkel.brot.dg (192.168.1.1) 0.433 ms 0.278 ms 0.216 ms
2 router.brot.dg (192.168.1.254) 2.335 ms 2.278 ms 3.216 ms 3 * * *
4 * * *
5 portatile.plip.dg (192.168.254.1) 10.654 ms 13.543 ms 11.344 ms
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# iptables -F INPUT
# iptables -A INPUT -m state --state ESTABLISHED -j ACCEPT
# iptables -A INPUT -j REJECT dal man di iptables:
@A>'@@B"$6'C06+()D'A="$6'%6#'$#=#0%#,'06+()'E+=='%6#'06+()$'()'%6#'%+F=#'(3')&)#'($'4(G#)HI' J6($'($'#8"(G+=#)%'%&',#=#/)4'+=='%6#'*"=#$'&)#'FK'&)#I'
@L>'@@+MM#),'06+()'*"=#@$M#0(10+/&)LMM#),'&)#'&*'-&*#'*"=#$'%&'%6#'#),'&3'%6#'
$#=#0%#,'06+()I'
i $%+%#N'5OJLPQ2OR5S'-#+)()4'%6+%'%6#'M+0<#%'($'+$$&0(+%#,';(%6'+'0&))#0/&)';6(06' 6+$'$##)'M+0<#%$'()'F&%6',(*#0/&)$'
- -j, --jump target This specifies the target of the rule; i.e., what to do if the packet matches it.
4567589! 64!
:;;1#!D#1_3++ !!
• V3!<@1++!-'!_';-$_<!;$;!%$#;'<A1!A$>3;-'!1^)'03+1;*!3-!'H=3G+1<&!"1#!
A#13#1!3HH+'A3('$;'!D#1_3++!<'!H)Y!3-$H1#3#1!'+!m';-$_<!h#'01#!n'=!1!A#13#1!
);!o'+=1#ip$$\!h#'01#&!
• M@'!F!A)#'$<$!H)Y!A+'AA3#1!^)1<=$!<'=$X
http://msdn.microsoft.com/it-it/library/aa504968(en-us).aspx
