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Transcript of Elementi di amministrazione di rete da shell Linux e Windowsreting/linux-reti2.pdf# route add -net...
Elementi di amministrazione di rete
da shell Linux e Windows!
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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$!(-(4%15&
# route add -net 192.168.1.0 netmask 255.255.255.0 dev eth0° # route add -net 192.168.2.0 netmask 255.255.255.0 dev eth1° # route add -host 192.168.3.1 dev plip1 # route add -host 192.168.3.254 dev plip1
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# route add -net 192.168.1.0 netmask 255.255.255.0 dev eth0° # route add -net 192.168.254.0 netmask 255.255.255.0 dev eth1° # route add -net 192.168.2.0 netmask 255.255.255.0 gw 192.168.254.2
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# traceroute portatile.plip.dg traceroute to portatile.plip.dg (192.168.254.1), 30 hops max, 40 byte packets 1 dinkel.brot.dg (192.168.1.1) 0.433 ms 0.278 ms 0.216 ms 2 router.brot.dg (192.168.1.254) 2.335 ms 2.278 ms 3.216 ms 3 * * * 4 * * * 5 portatile.plip.dg (192.168.254.1) 10.654 ms 13.543 ms 11.344 ms
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456P589! 67!
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l$)!_3;=!=$!G+$A\!3++!';A$>';C!;1=_$#\!=#3LA,!1bA1H=!%#$>!`$)#!<`<=1>!'=<1+%&!h$!;$=!3K1A=!$)=C$';C!=#3LA&!
# 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
