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The time now is 28.03.2024 - 19:30


ako zabezpecit Internet na sieti?

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matos1
Post subject: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 00:08 #55194
Ucen


Joined: Sep 06, 2004
Posts: 684
Location: hranica s ukrajinou...
vedel by mi niekto poradit ako mam zabezpecit internet na sieti?
teda kazdy klient unas na sieti ma urcitu IP adresu bud ju ma manualne alebo cez DHCP podla MACadresi, ako nastavit tak ze ked nebude sediet MAC adresa s IP aby nesiel internet klientovi?
 
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stevesk
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 00:26 #55195
Basic


Joined: Dec 21, 2006
Posts: 436
Location: Tornala
Máš to v dakom lepšom routri....len treba kuknuť či to zvladne,trebars DSL Vigor....OVISAPPRO atd...aké máš železo?
 
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stevesk
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 00:28 #55196
Basic


Joined: Dec 21, 2006
Posts: 436
Location: Tornala
I ked je to lahke prelomit...mas klonovanie mac...takže to je o ničom,ale ked sa nevyznaju pomôže
 
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icerowicz
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 02:16 #55198
Ucen


Joined: Apr 12, 2006
Posts: 930
Location: Vranov nad Topľou
stevesk wrote: ›I ked je to lahke prelomit...mas klonovanie mac...takže to je o ničom,ale ked sa nevyznaju pomôže


1. Iptables
2. Pevny arp zaznam.
 
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icerowicz
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 02:22 #55200
Ucen


Joined: Apr 12, 2006
Posts: 930
Location: Vranov nad Topľou
iptables -N MAC
iptables -A MAC -m mac --mac-source 00:50:04:60:78:0E -s 172.16.0.18 -j
RETURN

druhy sposob je taky, ze vytvoris si niekde file , ktory bude obsahovat ip medzera mac
a to das potom natiahnut cez arp -f ( alebo -l ? , neivem presne )

vyhody / nevyhody

v prvom pripade je vyhoda ta, ze dalej mozes zistovat pomocu arp, kto je momentalne online z tvojich ludi, nevyhoda, ze to trosicka zatazuje masinu

druhy pripad je dobry pre toho, kto ma vela ludi , pretoze masinu to zatazuje minimalne, ale na druhej strane prides o moznost zistovat aktulany stav podla arp.
 
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matos1
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 06:56 #55202
Ucen


Joined: Sep 06, 2004
Posts: 684
Location: hranica s ukrajinou...
pouzivam mikrotik
 
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menge
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 07:32 #55203
Basic


Joined: Mar 10, 2005
Posts: 254
Location: okolie Brezna
Co tak kuknut na http://forum.routeros.cz ?. riesilo sa to tam x-krat
 
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cobain
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 08:14 #55210
Majster


Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
nie kazdy pozna to forum tak ako aj ine fora o MK
 
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menge
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 08:35 #55212
Basic


Joined: Mar 10, 2005
Posts: 254
Location: okolie Brezna
Ak uz chce nastavovat MK, mohol by aspon vediet pouzivat search .... inac nic v zlom Smile
http://forum.routeros.cz/viewtopic.php?t=211
 
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cobain
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 08:51 #55214
Majster


Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
ja ho neviem dokonale pouzivat a niekedy, musis aj sam uznat je vhodnejsie polozit otazku ako sa luskat nejakym forom
 
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menge
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 09:02 #55215
Basic


Joined: Mar 10, 2005
Posts: 254
Location: okolie Brezna
No keby napisal: "Skusil som toto a takto, precital manual... a stale mi to nejde" tak by bolo aspon vidiet snahu. ved ani ja ho dokonale neovladam, a myslim ze je tu na MK kopec sikovnejsich ako ja.
 
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cobain
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 09:07 #55216
Majster


Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
menge neries to, taky icerovicz mu to vysvetlil a dost dobre
 
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lol
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 09:35 #55217
Ucen


Joined: Jan 15, 2005
Posts: 768

Mozes si na MK spustit PPoE server a kazdy klient sa bude musiet prihlasovat svojim menom+heslom a vsetka komunikacia je sifrovana
 
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Trevor
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 09:51 #55218
Basic


Joined: Jan 04, 2005
Posts: 193
Location: Šurany
Akurat ze ludia su sprosti a tymto si narobis iba same problemy na druhu stranu ked si paranoidny a potrebujes to mat fest zabezpecene tak toto je jedna z moznosti.
 
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lol
Post subject: RE: ako zabezpecit Internet na sieti?  PostPosted: 25.07.2007 - 09:54 #55220
Ucen


Joined: Jan 15, 2005
Posts: 768

Ja nepouzivam ziadny filter mac+ip, vacsina ludi je rada ked si zapne komp. Niektori maju problem sa pripojit aj na hotspot Smile Ani raz sa mi nestalo, ze by si niekto zmenil IP.
 
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