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endŊFull–€NšĻgA‘ūã×T“(CONFIG_IP_NF_N˜A‘ūã×T)ŽŸĘ8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (151) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (152) cvn H.B /DEST pdfmark endŸ5ȍ‘īcolor push BlackȀˆī color popŽŽ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (153) cvn H.B /DEST pdfmark endŊMASQšægUERADE–€tarŅđget“support“(CONFIG_IP_NF_T‘˙đARGET_MASQ˜UERADE)ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (154) cvn H.B /DEST pdfmark endĻ‘īcolor push BlackȀˆī color popŽŽ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (155) cvn H.B /DEST pdfmark endŊREDIRECT–€tarŅđget“support“(CONFIG_IP_NF_T‘˙đARGET_REDIRECT)ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (156) cvn H.B /DEST pdfmark endŽĄ‘ īcolor push BlackȀˆī color popŽŽ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (157) cvn H.B /DEST pdfmark endŊPŲ ackæget–€mangling“(CONFIG_IP_NF_MANGLE)ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (158) cvn H.B /DEST pdfmark endĻ‘ īcolor push BlackȀˆī color popŽŽ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (159) cvn H.B /DEST pdfmark endŊLOG–€tarŅđget“support“(CONFIG_IP_NF_T‘˙đARGET_LOG)ŽĄŸīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (160) cvn H.B /DEST pdfmark end¤ Per–ičprima“cosa,“se“i“moduli“iptable“e“masq“non“sono“incorporati“nel“kægernel“n€é“installati,“ma“esistono“come“moduliŽĄcaricabili,–€bisogna“installarli.“Con“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (161) cvn H.B /DEST pdfmark endÂinsmod“ipt_MASQægUERADEŊ"“si“caricheranno“ip_tables,“ip_conntrack“eŽĄiptable_nat.ŽŠ *8īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (162) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (163) cvn H.B /DEST pdfmark endŸ ˆûÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (164) cvn H.B /DEST pdfmark endÄmodprobe“ipt_MASQUERADEŽŸ 80īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (165) cvn H.B /DEST pdfmark endŸ ĮЍŊL‘˙'intranet–€da“colleŲ gķ7are“a“Internet“potrebbe“essere“composta“da“molte“macchine“o“solo“da“un“paio,“in“realt€ā“non“fægaŽĄmolta‘€dierenza.ŽŸ”īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (166) cvn H.B /DEST pdfmark endŸ ælBene,–€sto“dando“per“scontato“che“non“servĀano“altre“reŲ gole.“A“questo“punto“si“dia:ŽĻīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (167) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (168) cvn H.B /DEST pdfmark endŸ ˆûÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (169) cvn H.B /DEST pdfmark endÄiptables“-F;“iptables“-t“nat“-F;“iptables“-t“mangle“-FŽŸ 80īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (170) cvn H.B /DEST pdfmark endŸ ĮЍŊSe–€si“ottiene“un“errore“e“dice“che“iptables“non“si“trošŲ vĀa,“lo“si“tro˜vi“ed“installi.“Se“dice“che“non“c'€č“alcuna“tabellaŽĄ"nat",–€si“ricompili“il“kægernel“col“supporto“a“nat.“Se“dice“che“non“c'€č“alcuna“tabella“"mangle",“non“ci“si“preoccupi,ŽĄnon–€€č“necessaria“al“masquerading.“Se“dice“che“iptables“€č“incompatibile“con“il“proprio“kægernel,“ci“si“procuri“unŽĄkægernel–€2.4“e“lo“si“compili“col“supporto“a“iptables.ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (171) cvn H.B /DEST pdfmark endŸ ÕȍIn–€caso“si“abbia“un“IP“statico“(p.e.“non“si“usa“DHCP),“si“dia:ŽĻīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (172) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (173) cvn H.B /DEST pdfmark end¤ ˆûÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (174) cvn H.B /DEST pdfmark endÄiptables“-t“nat“-A“POSTROUTING“-o“eth0“-j“SNAT“--to“123.12.23.43ŽŸ 80īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (175) cvn H.B /DEST pdfmark endŸ ĮЍŊper–€un“IP“dinamico“(p.e.“un“modem,“ma“ci“si“deĀvšŲ e“prima“colle˜gķ7are!):ŽĻīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (176) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (177) cvn H.B /DEST pdfmark endĄÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (178) cvn H.B /DEST pdfmark endÄiptables“-t“nat“-A“POSTROUTING“-o“ppp0“-j“MASQUERADEŽŸ 80īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (179) cvn H.B /DEST pdfmark endŸ ĮЍŊInne,–ŋper“dire“al“kšægernel“che“si“desidera“iniziare“a“f˜are“il“forw˜ard“dei“pacchetti“(cosa“necessaria“solo“una“vĖĐolta“perŽŸ reboot,–€ma“a“fægarlo“pi€ų“vĖĐolte“non“succede“nulla“di“male),“si“dia:ŽĻīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (180) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (181) cvn H.B /DEST pdfmark endĄÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (182) cvn H.B /DEST pdfmark endÄecho“1“>“/proc/sys/net/ipv4/ip_forwardŽŽŸ0‘Hīcolor push Black’žFfÉ4ŽŽŽŽŽŽŽ’ÃFfī color popŽŽŒ‹ Ž:‘ˇē⟷ēâīūps:SDict begin /product where{pop product(Distiller)search{pop pop pop version(.)search{exch pop exch pop(3011)eq{gsave newpath 0 0 moveto closepath clip/Courier findfont 10 scalefont setfont 72 72 moveto(.)show grestore}if}{pop}ifelse}{pop}ifelse}if end 㖍 ũ#j‘Hīcolor push Blackīcolor push gray 0īps:SDict begin H.S endīcolor push gray 0ī color popŽīps:SDict begin H.R endīJps:SDict begin [ /View [/XYZ H.V] /Dest (page.5) cvn H.B /DEST pdfmark endī color popŸüfd’.ôēÉMasquerŲ ading–€made“simple“HO‘˙˙WTŅđOŽŽŽŽŽŽŽ’ÃFfī color popŽŽ Ŧ㖍‘H ũ^jīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (183) cvn H.B /DEST pdfmark endŸ ŊUna–€všĖĐolta“che“si“€č“controllato“che“tutto“funziona“(si“vŲ edano“le“istruzioni“di“post-“installazione“pi€ų“a˜všĀanti)“si“de˜vŲ eŽ¤ permettere–€il“masquerading“solo“dalla“rete“interna;“non“si“všĖĐorr€ā“mica“che“qualcuno“su“Internet“ne“ab˜usi!“:)ŽŸPer–€prima“cosa,“si“consentano“le“connessioni“preesistenti“o“qualunque“cosa“ad“esse“correlate“(p.e.“un“servŲ er“ftpŽĄche–€si“colleŲ gķ7a“di“rimando):ŽŸ *8īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (185) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (186) cvn H.B /DEST pdfmark endŸ ˆûÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (187) cvn H.B /DEST pdfmark endÄiptables“-A“INPUT“-m“state“--state“ESTABLISHED,RELATED“-j“ACCEPTŽŠ 80īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (188) cvn H.B /DEST pdfmark endŸ ĮЍŊSe–€d€ā“un“errore,“molto“probabilmente“nel“kægernel“non“€č“abilitato“il“"connection“tracking",“perci€ō“lo“si“ricompili.ŽĄPoi–fŒsi“permettano“nuo•Ų v“e–fŒconnessioni“solo“dalla“propria“intranet“(rete“interna“o“locale).“Si“rimpiazzi“ppp0“con“eth0ŽĄo–€qualunque“altra“cosa“sia“il“proprio“deĀvice“di“rete“všŲ erso“l'īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (189) cvn H.B /DEST pdfmark endÉesternoŊ.“(Il“"!"“€č“una“ne˜gķ7azione,“signica“"qualsiasiŽĄcosa‘€tranne").ŽŸ Ę8īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (190) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (191) cvn H.B /DEST pdfmark endŸ čûÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (192) cvn H.B /DEST pdfmark endÄiptables“-A“INPUT“-m“state“--state“NEW“-i“!“ppp0“-j“ACCEPTŽĻīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (193) cvn H.B /DEST pdfmark endŸ ĮЍŊOra–€si“neŲ ghi“tutto“il“resto:ŽŸ *8īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (194) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (195) cvn H.B /DEST pdfmark endŸ ˆûÃ$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (196) cvn H.B /DEST pdfmark endÄiptables“-P“INPUT“DROP‘32Á#solo“se“i“due“precedenti“hanno“avuto“successoŽŸ iˇīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (197) cvn H.B /DEST pdfmark endŸ –IŊSe–€una“delle“due“rešŲ gole“precedenti“€č“fægallita,“l'ultima“re˜gola“impedir€ā“completamente“il“funzionamento“delŽĄmasquerading.–€Per“annullare“l'ultima“reŲ gola“si“usi“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (198) cvn H.B /DEST pdfmark endÂiptables“-P“INPUT“A‘˙s8CCEPTŊ".ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīVps:SDict begin [ /View [/XYZ H.V] /Dest (POST-INSTALLAZIONE) cvn H.B /DEST pdfmark endŸ+BTŋ4.–QëIstruzioni“di“post-installazioneŽŸ %Õīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (201) cvn H.B /DEST pdfmark endŸ ~ŊOra–€doŲ vrebbe“funzionare“tutto.“Non“ci“si“dimentichi“di:Žž”īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (202) cvn H.B /DEST pdfmark endŸīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (203) cvn H.B /DEST pdfmark endŸælīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (204) cvn H.B /DEST pdfmark endŊCongurare–€tutti“i“client“della“rete“interna“anch€é“usino“l'IP“interno“della“macchina“Linux“come“gķ7ateĀwægay‘˙Y .ŽŠ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (205) cvn H.B /DEST pdfmark endŸÕȍīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (206) cvn H.B /DEST pdfmark endŊCongurare–€tutti“i“client“anch€é“usino“un“eĀvšŲ entuale“proxy“HTTP“del“pro˜vider™Ÿ,“un“proxy“trasparenteŽĄ‘ (A‘ūã×TTENZIONE:–€ho“sentito“dire“che“i“proxy“trasparenti“possono“essere“molto“lenti“in“caso“di“reti“molto“ampie)ŽĄ‘ o–€Squid“fšægatto“girare“sul“gķ7ateĀw˜ay“Linux“(un'opzione“da“prendere“in“considerazione“per“grosse“reti).ŽĻīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (207) cvn H.B /DEST pdfmark endŸÕȍīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (208) cvn H.B /DEST pdfmark endŊCi–€si“assicuri“di“specicare“un“servŲ er“DNS“nella“congurazione“dei“client,“altrimenti“si“otterranno“errori“circaŽĄ‘ la–€mancata“risoluzione“deŲ gli“indirizzi.“Se“il“DNS“funzionaĖĐvĀa“prima“di“congurare“il“masquerading“e“dopo“nonŽĄ‘ funziona–€pi€ų,“accade“perch€é“il“servšŲ er“DHCP“del“pro˜vider“non“pu€ō“pi€ų“fornire“l'indirizzo“del“serv˜er“DNS.ŽŠ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (209) cvn H.B /DEST pdfmark endŸ Õȍ‘ [Oš™ŸT]‘w Si–wĸpotrebbe“proŲ vĀare“semplicemente“a“in˜viare“un“messaggio“dhcp“broadcast“che“inoltri“ai“client“l'indirizzoŽĄ‘ del–€servšŲ er“DNS“(e“gi€ā“che“ci“siamo“anche“l'indirizzo“del“proxy“http)“senza“do˜v˜er“congurare“un“serv˜er“DHCPŽĄ‘ (o–€anche“congurandolo).“Mi“piacerebbe“discuterne“con“qualcuno“via“email“:)ŽĻīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (210) cvn H.B /DEST pdfmark endŸ Õȍ‘ Grazie–€a“Richard“Atcheson“per“aĖĐvŲ ermi“fægatto“notare“la“cosa.Ž¤‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (211) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (212) cvn H.B /DEST pdfmark endŊOra–€si“doŲ vrebbe“iniziare“a“pensare“alla“sicurezza!“Prima“di“tutto“si“disabiliti“il“forwægard“generico:“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (213) cvn H.B /DEST pdfmark endÂiptables“-PŽ¤ ‘ FORĻgW‘ūĖĐARD‘hwDRŗ7OPŊ",–h}quindi“ci“si“informi“su“come“usare“iptables,“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (214) cvn H.B /DEST pdfmark endÁ/etc/hosts.allow“Ŋe“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (215) cvn H.B /DEST pdfmark endÁ/etc/hosts.denyŽĄ‘ Ŋper–€rendere“pi€ų“sicuro“il“sistema.“A‘ūã×TTENZIONE:“non“usare“la“reŲ gola“di“iptables“summenzionata“se“non“dopoŽĄ‘ aĖĐvšŲ er–€accertato“che“il“masquerading“eetti•Āv“amente–€funzioni.“Si“deĀv˜e“permettere“esplicitamente“il“passaggio“deiŽĄ‘ pacchetti›€do•Ų v“e˜lo˜si˜desidera˜in˜caso˜si˜vĖĐoglia˜ne“gķ7are˜il˜forw•ægard˜per˜def“ault.˜(Il˜comando˜si˜annulla˜conŽĄ‘ "īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (216) cvn H.B /DEST pdfmark endÂiptables–€-P“FORĻgW‘ūĖĐARD“A‘˙s8CCEPTŊ").ŽŸŦīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (217) cvn H.B /DEST pdfmark endŸøTīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (218) cvn H.B /DEST pdfmark endŊSi–€permetta“l'accesso“a“qualsiasi“servizio“che“si“vuole“rendere“visibile“su“Internet.ŽĻīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (219) cvn H.B /DEST pdfmark endŸ Õȍ‘ Per–€esempio,“per“permettere“l'accesso“al“web“servŲ er:ŽĻīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (220) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (221) cvn H.B /DEST pdfmark endŸ ˆû‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (222) cvn H.B /DEST pdfmark endÄiptables“-A“INPUT“--protocol“tcp“--dport“80“-j“ACCEPTŽŸ80īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (223) cvn H.B /DEST pdfmark endŸ {‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (224) cvn H.B /DEST pdfmark endÄiptables“-A“INPUT“--protocol“tcp“--dport“443“-j“ACCEPTŽŸ80īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (225) cvn H.B /DEST pdfmark endŸ ĮЍ‘ ŊPer–€consentire“l'ident“(per“connessioni“ad“irc“ecc.):ŽŽŸ0‘Hīcolor push Black’žFfÉ5ŽŽŽŽŽŽŽ’ÃFfī color popŽŽŒ‹ ļM‘ˇē⟷ēâīūps:SDict begin /product where{pop product(Distiller)search{pop pop pop version(.)search{exch pop exch pop(3011)eq{gsave newpath 0 0 moveto closepath clip/Courier findfont 10 scalefont setfont 72 72 moveto(.)show grestore}if}{pop}ifelse}{pop}ifelse}if end 㖍 ũ#j‘Hīcolor push Blackīcolor push gray 0īps:SDict begin H.S endīcolor push gray 0ī color popŽīps:SDict begin H.R endīJps:SDict begin [ /View [/XYZ H.V] /Dest (page.6) cvn H.B /DEST pdfmark endī color popŸüfd’.ôēÉMasquerŲ ading–€made“simple“HO‘˙˙WTŅđOŽŽŽŽŽŽŽ’ÃFfī color popŽŽ Ŧ㖍‘H ũ^jīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (226) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (227) cvn H.B /DEST pdfmark endŸ ‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (228) cvn H.B /DEST pdfmark endÄiptables“-A“INPUT“--protocol“tcp“--dport“113“-j“ACCEPTŽŸ¤īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (229) cvn H.B /DEST pdfmark endŠ ŊPer–€testare“la“congurazione:ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (230) cvn H.B /DEST pdfmark endĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (231) cvn H.B /DEST pdfmark endŸÕȍīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (232) cvn H.B /DEST pdfmark endŊProšŲ vĀare–€a“connettersi“da“un“client“all'indirizzo“numerico“di“un“web“serv˜er‘˙s8.“Per“esempio“uno“de˜gli“IP“di“GoogleŽĻ‘ €č–€216.239.33.100.“Si“doŲ vrebbe“ottenere“una“replica“da“esso.“Per“esempio:“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (233) cvn H.B /DEST pdfmark endÂping“216.239.33.100Ŋ"“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (234) cvn H.B /DEST pdfmark endÂlynxŽĻ‘ 216.239.33.100Ŋ".Žž´īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (235) cvn H.B /DEST pdfmark endŸáLīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (236) cvn H.B /DEST pdfmark endŊProŲ vĀare–€una“connessione“completa“con“il“nome.“Per“esempio“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (237) cvn H.B /DEST pdfmark endÂping“google.comŊ"“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (238) cvn H.B /DEST pdfmark endÂlynx“google.comŊ"“o“usandoŽĻ‘ Internet–€Explorer“o“Netscape.Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (239) cvn H.B /DEST pdfmark endŠ ÕȍDo•Ų v“e–€eth0“€č“la“scheda“di“rete“ethernet“vŲ erso“Internet“e“123.12.23.43“€č“l'IP“pubblico“della“macchina.ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (FAQ) cvn H.B /DEST pdfmark endŸ+BTŋ5.–QëF‘ūqęA‘˙8ôQ“-“le“lament...“le“domande“poste“pi€ų“di“fr°gequenteŽŸūīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (242) cvn H.B /DEST pdfmark endŸŖ×īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (243) cvn H.B /DEST pdfmark endŸÅ°īcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (244) cvn H.B /DEST pdfmark endŊCome–€posso“ottenere“un“elenco“delle“reŲ gole“introdotte?ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (245) cvn H.B /DEST pdfmark endĻ‘ -–€ProŲ vĀa“a“dare:ŽŸ”īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (246) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (247) cvn H.B /DEST pdfmark endŸ ™Ÿ‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (248) cvn H.B /DEST pdfmark endÄiptables“-LŽŸ80īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (249) cvn H.B /DEST pdfmark endŸ {‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (250) cvn H.B /DEST pdfmark endÄiptables“-t“nat“-LŽ¤Ą‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (251) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (252) cvn H.B /DEST pdfmark endŊNon–€risolvšŲ e“gli“indirizzi!“Ho“pro˜vĀato“con“"www‘˙Y .microsoft.com"“ma“mi“dice“che“non“lo“tro˜vĀa!ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (253) cvn H.B /DEST pdfmark endĻ‘ -–€Assicurati“di“fornire“a“tutti“i“client“l'IP“del“servŲ er“DNS.ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (254) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (255) cvn H.B /DEST pdfmark endŊNon–€funziona!“Non“accetta“iptables“/“NšĻgA‘ūã×T“/“SN˜A‘ūã×T“/“MASQ.ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (256) cvn H.B /DEST pdfmark endĻ‘ -–€Recupera“il“kægernel“pi€ų“recente“e“compilalo“con“il“supporto“completo“a“iptables“e“NĻgA‘ūã×T‘˙B.ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (257) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (258) cvn H.B /DEST pdfmark endŊNon–€funziona!“Il“masquerading“non“funziona“proprio,“mannaggia!ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (259) cvn H.B /DEST pdfmark endĻ‘ -–€Non“€č“che“hai“tralasciato“di“dare“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (260) cvn H.B /DEST pdfmark endÂecho“1“>“/prŅđoc/sys/net/ipv4/ip_fĀorwardŊ?!ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (261) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (262) cvn H.B /DEST pdfmark endŊNon–€funziona!“Non“mi“funziona“manco“la“rete,“ti“odio!ŽŸqčīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (263) cvn H.B /DEST pdfmark endŸ Ž‘ -–€ProŲ vĀa“conŽŸ”īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (264) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (265) cvn H.B /DEST pdfmark endŸ ™Ÿ‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (266) cvn H.B /DEST pdfmark endÄiptables“-FŽ¤80īps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (267) cvn H.B /DEST pdfmark endŠ {‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (268) cvn H.B /DEST pdfmark endÄiptables“-t“nat“-FŽĄīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (269) cvn H.B /DEST pdfmark endĻ‘ Ã$>–ffīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (270) cvn H.B /DEST pdfmark endÄiptables“-t“mangle“-FŽ¤Ÿīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (271) cvn H.B /DEST pdfmark endŸ ‘ Ŋ(cos€ė–€si“eliminano“tutte“le“rešŲ gole),“poi“rilancia“tutte“le“altre“re˜gole“di“iptables.ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (272) cvn H.B /DEST pdfmark endŸ Õȍ‘ -–€ProŲ vĀa“con“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (273) cvn H.B /DEST pdfmark endÂiptables“-P“FORĻgW‘ūĖĐARD“A‘˙s8CCEPTŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (274) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (275) cvn H.B /DEST pdfmark endŊNon–€funziona“ancora!ŽŽŸ0‘Hīcolor push Black’žĻÉ6ŽŽŽŽŽŽŽ’ÃFfī color popŽŽŒ‹ Üö‘ˇē⟷ēâīūps:SDict begin /product where{pop product(Distiller)search{pop pop pop version(.)search{exch pop exch pop(3011)eq{gsave newpath 0 0 moveto closepath clip/Courier findfont 10 scalefont setfont 72 72 moveto(.)show grestore}if}{pop}ifelse}{pop}ifelse}if end 㖍 ũ#j‘Hīcolor push Blackīcolor push gray 0īps:SDict begin H.S endīcolor push gray 0ī color popŽīps:SDict begin H.R endīJps:SDict begin [ /View [/XYZ H.V] /Dest (page.7) cvn H.B /DEST pdfmark endī color popŸüfdŸ÷™œīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (322) cvn H.B /DEST pdfmark endŸfd’.ôēÉMasquerŲ ading–€made“simple“HO‘˙˙WTŅđOŽŽŽŽŽŽŽ’ÃFfī color popŽŽ Ŧ㖍‘H ũ^jīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (276) cvn H.B /DEST pdfmark endŸ ‘ Ŋ-–€Hmhmhm,“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (277) cvn H.B /DEST pdfmark endÂdmesg“|“tailŊ"“d€ā“qualche“errore?“E“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (278) cvn H.B /DEST pdfmark endÂcat“/vægar/log/messages“|“tailŊ"“?“Non“posso“mica“pensare“aŽŸ ‘ tutto‘€io...Ž¤‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (279) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (280) cvn H.B /DEST pdfmark endŊNon–€ce“la“fægaccio,“non“mi“funziona“proprio!Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (281) cvn H.B /DEST pdfmark endŠ Õȍ‘ -–€Boh!“...comunque“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (282) cvn H.B /DEST pdfmark endÉprima“Ŋdi“iniziare“a“sperimentare“con“il“masquerading“doŲ vresti“assicurarti“di:ŽĄīps:SDict begin H.S endīps:SDict begin 11.7 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (283) cvn H.B /DEST pdfmark endŸ ˆû‘ Á1)–ffpoter“fare“il“ping“di“un“indirizzo“Internet“dal“gateway;Ž¤ ŗ3‘ 2)–ffpoter“fare“il“ping“delle“macchine“della“rete“interna“dal“gateway;ŽĄ‘ 3)–ffpoter“fare“il“ping“del“gateway“dalle“macchine“della“rete“interna.ŽŸiˇīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (284) cvn H.B /DEST pdfmark endŸ–I‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (285) cvn H.B /DEST pdfmark endŽ¤īcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (286) cvn H.B /DEST pdfmark endŊDo•Ų v“e–€deĀvĖĐo“ccare“tutta“questa“roba?ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (287) cvn H.B /DEST pdfmark endĻ‘ -–€Nel“le“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (288) cvn H.B /DEST pdfmark endÁ/etc/network/interfaces“Ŋo“reĀwšægall.rc.“Se“lo“metti“nel“le“interf˜aces,“mettilo“nell'opzioneŽŸ ‘ pre-up–€per“l'interfægaccia“esterna“e“poni“nel“post-doĀwn“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (289) cvn H.B /DEST pdfmark endÂiptables“-t“nat“-FŊ".ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (290) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (291) cvn H.B /DEST pdfmark endŊChe–€deĀvĖĐo“fšægare“per“f˜ar“s€ė“che“la“connessione“ppp“všŲ engķ7a“atti•Āv“ata–€solo“quando“serv˜e“("ppp“on“demand")?Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (292) cvn H.B /DEST pdfmark endĻ‘ -–€Se“per“esempio“l'IP“del“gšķ7ateĀwægay“del“proŲ vider“€č“23.43.12.43,“aggiungi“una“rig˜a:ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (293) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (294) cvn H.B /DEST pdfmark endĻ‘ Â:23.43.12.43ŽŸ´īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (295) cvn H.B /DEST pdfmark endŸ áL‘ Ŋin–€fondo“a“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (296) cvn H.B /DEST pdfmark endÁ/etc/ppp/peers/providerŊ.“(Questo“se“ti“viene“attribĖĐuito“un“IP“dinamico,“in“caso“di“IP“staticoŽ¤ ‘ potresti–€usare“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (297) cvn H.B /DEST pdfmark endÂIP_statico:23.43.12.43Ŋ).“[La“parte“sul“"ppp“on“demand"“mi“pare“un“po'“confusa,“p.e.“qui,ŽĄ‘ aggiungendo–€le“opzioni“ipcp-accept-local“e“ipcp-accept-remote,“si“possono“usare“anche“due“IP“ttizi“NdT].Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (298) cvn H.B /DEST pdfmark endĻ‘ Quindi–€aggiungi“su“una“nuoŲ vĀa“rigķ7a“in“fondo“allo“stesso“le:ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (299) cvn H.B /DEST pdfmark endīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (300) cvn H.B /DEST pdfmark endĻ‘ ÂdemandŽŸ´īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (301) cvn H.B /DEST pdfmark endŸ áL‘ ŊPppd–€rimarr€ā“in“background“per“riconnettersi“a“richiesta“se“la“connessione“cade,“no“a“quando“non“darai“ilŽ¤ ‘ comando–€"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (302) cvn H.B /DEST pdfmark endÂifdoægwn“ppp0Ŋ"“o“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (303) cvn H.B /DEST pdfmark endÂpoŊ".“Se“in™ŸvŲ ece“aggiungi“l'opzione“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (304) cvn H.B /DEST pdfmark endÂnopersistŊ",“pppd“uscir€ā“una“vĖĐolta“atti•Āv“ata‘€laŽĄ‘ connessione.–€Puoi“anche“aggiungere“su“una“nuoŲ vĀa“rigķ7a“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (305) cvn H.B /DEST pdfmark endÂidle“600Ŋ"“per“disconnetterti“dopo“10“minuti“diŽĄ‘ inattiĀvit€ā.Ž¤”īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (306) cvn H.B /DEST pdfmark endŸæl‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (307) cvn H.B /DEST pdfmark endŽŸīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (308) cvn H.B /DEST pdfmark endŊLa–€connessione“continua“a“cadermi!ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (309) cvn H.B /DEST pdfmark endŸ æl‘ -–€Innanzitutto“usi“una“connessione“a“richiesta?“Funziona“come“doŲ vrebbe?“ControllaŽ¤ ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (310) cvn H.B /DEST pdfmark endÁ/etc/ppp/peers/provider–€Ŋe“assicurati“che“la“connessione“telefonica“funzioni“correttamente“prima“diŽĄ‘ proŲ vĀare–€col“masquerading.ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (311) cvn H.B /DEST pdfmark endĻ‘ -–€In“seconda“battuta,“se“continua“a“non“funzionare“potrebbe“trattarsi“di“quel“che“€č“capitato“a“me:“per“motiĀviŽĄ‘ misteriosi–€sono“doŲ vuto“ritornare“al“kægernel“2.4.3“anch€é“tutto“funzionasse,“ma“non“so“il“perch€é.Ž¤‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (312) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (313) cvn H.B /DEST pdfmark endŊNon–€ho“alcuna“vĖĐoglia“di“fšægare“tutto“a“mano!“V‘ūĩĮoglio“uno“script“pref˜abbricato,“una“GUI“e“tutto“il“resto.Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (314) cvn H.B /DEST pdfmark endĻ‘ -–€ProŲ všĀa“questo:“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (315) cvn H.B /DEST pdfmark end“http://shore˜wægall.sourceforŅđge.net/“(http://shore˜wægall.sourceforŅđge.net/)ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (316) cvn H.B /DEST pdfmark endĻ‘ Struggiti–€dal“dolore!Ž¤‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (317) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (318) cvn H.B /DEST pdfmark endŊI–€cable“modem“li“deĀvĖĐo“considerare“tra“gli“IP“statici“o“dinamici?ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (319) cvn H.B /DEST pdfmark endĻ‘ -–€Buona“domanda...“potrebbero“pure“essere“dinamici.ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (320) cvn H.B /DEST pdfmark endŽŽŸ0‘Hīcolor push Black’ŊįŽÉ7ŽŽŽŽŽŽŽ’ÃFfī color popŽŽŒ‹ k‘ˇē⟷ēâīūps:SDict begin /product where{pop product(Distiller)search{pop pop pop version(.)search{exch pop exch pop(3011)eq{gsave newpath 0 0 moveto closepath clip/Courier findfont 10 scalefont setfont 72 72 moveto(.)show grestore}if}{pop}ifelse}{pop}ifelse}if end 㖍 ũ#j‘Hīcolor push Blackīcolor push gray 0īps:SDict begin H.S endīcolor push gray 0ī color popŽīps:SDict begin H.R endīJps:SDict begin [ /View [/XYZ H.V] /Dest (page.8) cvn H.B /DEST pdfmark endī color popŸüfd’.ôēÉMasquerŲ ading–€made“simple“HO‘˙˙WTŅđOŽŽŽŽŽŽŽ’ÃFfī color popŽŽ Ŧ㖍 ũhj‘Hīcolor push Blackƀˆī color popŽŽ‘Rīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (321) cvn H.B /DEST pdfmark endŊDeĀvĖĐo–€considerare“le“schede“di“rete“DHCP“come“IP“statici“o“dinamici?Ž¤‘R-–€Sono“dinamici.ŽĄ‘Mīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (323) cvn H.B /DEST pdfmark endŽĄ‘Hīcolor push Blackƀˆī color popŽŽ‘Rīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (324) cvn H.B /DEST pdfmark endŊCome–€posso“gestire“i“servizi“con“connessioni“in“entrata?Ž‘HŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (325) cvn H.B /DEST pdfmark endŸ Õȍ‘ -–€ProŲ všĀa“con“il“forwægard“o“la“redirezione“delle“porte“-“ancora“una“vĖĐolta“assicurati“di“congurare“il“re˜wægall“a“talŽŠ ‘ ne–€se“necessario.ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (326) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (327) cvn H.B /DEST pdfmark endŊRiesco–€a“fšægare“il“ping“dell'indirizzo“esterno“del“gķ7ateĀw˜ay“Linux“dai“client“della“rete,“ma“non“riesco“ad“accedere“aŽĻ‘ Internet.ŽŸ”īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (328) cvn H.B /DEST pdfmark endŸ æl‘ -–€Ok,“proŲ vĀa“con“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (329) cvn H.B /DEST pdfmark endÂrmmod“iptable_lterŊ";“fornir€ō“maggiori“informazioni“quando“le“aĖĐvr€ō“disponibili.Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (330) cvn H.B /DEST pdfmark endŠ Õȍ‘ -–€Assicurati“che“non“stai“fægacendo“girare“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (331) cvn H.B /DEST pdfmark endÉrŒĪouted‘ÅŊo“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (332) cvn H.B /DEST pdfmark endÉgatedEŊ,“per“saperlo“lancia“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (333) cvn H.B /DEST pdfmark endÂps“aux“|“gršŅđep“-e“r˜outed“-e“gatedŊ".ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (334) cvn H.B /DEST pdfmark endĻ‘ -–€Consulta“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (335) cvn H.B /DEST pdfmark endhttp://ipmasq.cjb™Ÿ.net.Ž¤‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (336) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (337) cvn H.B /DEST pdfmark endŊCome–€posso“vŲ edere“le“connessioni“stabilite?“Una“cosa“tipo“netstat...ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (338) cvn H.B /DEST pdfmark endĻ‘ -–€proŲ vĀa“con“"īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (339) cvn H.B /DEST pdfmark endÂcat“/prŅđoc/net/ip_conntrackŊ"ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (340) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (341) cvn H.B /DEST pdfmark endŊMi–€servĖĐono“maggiori“informazioni“su“squid,“l'instradamento“e“roba“simile!ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (342) cvn H.B /DEST pdfmark endĻ‘ -–€Dai“un'occhiata“all'"AdvĀanced“Routing“HOĻgWTŅđO"ŽŸ ‘ (http://www‘˙Y .linuxdoc.or•Ņđg/HOšĻgWT“O/Adv-Routing-HO˜WT“O.html).ŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (343) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (344) cvn H.B /DEST pdfmark endŊQuesto–€hošĀwto“€č“una“v˜accata!“Do•Ų v“e–€posso“beccare“i“tizi“che“l'hanno“scritto“per“rinfægacciarŅđglielo?ŽŸ*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (345) cvn H.B /DEST pdfmark endĻ‘ -–€Entra“nel“canale“irc“#debian“sul“servŲ er“irc.opensource.net“e“cerca“JohnFlux.“-“ScriĀvimi“(sono“JohnFlux)“aŽŸ ‘ tapselj0@cs.man.ac.ukŽĄ‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (346) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (347) cvn H.B /DEST pdfmark endŊQuesto–€hošĀwto“fæga“schifo!“Do•Ų v“e–€posso“troŲ v˜are“documentazione“migliore?Ž¤*8īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (348) cvn H.B /DEST pdfmark endĻ‘ -–€Da'“un'occhiata“a“īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (349) cvn H.B /DEST pdfmark endhttp://ipmasq.cjb™Ÿ.net.ŽĄīps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (350) cvn H.B /DEST pdfmark endĻ‘ -–€Consulta“il“Masq-HOĻgWTŅđO“di“LDP‘ūã×.Ž¤‘īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (351) cvn H.B /DEST pdfmark endŽĄīcolor push Blackƀˆī color popŽŽ‘ īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (352) cvn H.B /DEST pdfmark endŊSu–€cos'altro“state“la•ĖĐv“orando?ŽŸ”īps:SDict begin H.S endīps:SDict begin 13 H.A endīGps:SDict begin [ /View [/XYZ H.V] /Dest (353) cvn H.B /DEST pdfmark endŸ æl‘ Attualmente–€sto“scriĀvŲ endo“una“guida“"Linux“e“i“sistemi“missile-anti-missile“per“principianti".“Non“ci“sonoŽ¤ ‘ documenti–€decenti“per“neĀwbie“sulla“protezione“del“proprio“sistema“da“attacchi“nucleari.“La“gente“sembraŽĄ‘ pensare–€che“si“tratti“di“missilistica“o“roba“simile...ŽŸŽŸ0‘Hīcolor push Black’žFfÉ8ŽŽŽŽŽŽŽ’ÃFfī color popŽŽŒø&ƒ’Ā;čÔ8ÃH ķĪ¯8 ptmri8tķĖ*j]33 ptmr8cķĖ*j] ptmr8cķ‰š pcrb8tķ‰šš pcrr8tķĒ,Ģ ptmb8tķ‰š pcrr8tķĒ,Ģ ptmb8tķĒ,ĢGŽ ptmb8tķĒ,Ģâ ptmb8tķ?Á|‰ ptmr8tųAŊßßßßß