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The time now is 28.03.2024 - 19:42


MK - zmena TTL

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Thomas
Post subject: MK - zmena TTL  PostPosted: 08.06.2007 - 11:56 #52637
Majster


Joined: Okt 31, 2006
Posts: 2062
Location: TT
takže , nakoľko sa rozmohlo na sieti zdielanie netu , chcel by som tomu zabraniť ... raz som očul o riešení , kde sa dá na MK znížiť TTL na 1 takže na dalšom routri paket končí svoju púť ...
neriešili ste to niekto , alebo neviete ako to spraviť?
Vopred daujem za rady typu prejdi na linux ...
 
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bakula
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 12:31 #52638
Ucen


Joined: Okt 21, 2004
Posts: 792

napr. takto
/ ip firewall mangle add chain=postrouting action=change-ttl new-ttl=set:1 comment="test TTL"

prejst na linux nemusis ale ked ho budes poznat pojde to s tym mikrotikom lahsie Smile
 
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Thomas
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 12:44 #52642
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ja dakujem ... ale zakaznici asi nie Smile
 
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si
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 12:59 #52643
Majster


Joined: Jan 12, 2003
Posts: 4250
Location: /dev/null
bakula wrote: ›napr. takto
/ ip firewall mangle add chain=postrouting action=change-ttl new-ttl=set:1 comment="test TTL"

prejst na linux nemusis ale ked ho budes poznat pojde to s tym mikrotikom lahsie Smile


sikovny zakaznik ti ojebe aj tamto Smile
 
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Chalan
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:07 #52644
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Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
ten sikovny zakaznik musi mat linux ako NATovaciu masinu ci vie to oklamat aj s obycajnym HW routrom?
 
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si
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:08 #52645
Majster


Joined: Jan 12, 2003
Posts: 4250
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neviem o tom zeby taketo moznosti ponukal neaky HW router, ale nie je to vylucene... (resp. take cisco to urcite umoznuje, ale kto si ho na to domov kupi ? Razz )
 
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Chalan
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:12 #52648
Majster


Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
takze svojim sposobom to riesenie je... ale ako vies ze ten user ten router nema len pre svoje PC v byte, pripadne si dokupil notas a chce ho mat wifi?
 
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si
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:17 #52650
Majster


Joined: Jan 12, 2003
Posts: 4250
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ja ak by ma trapilo ci ten user to pouziva na sirenie dalej alebo e-e tak by som vyhrabal taky pekny skriptik (volakedy som pouzival, da sa to najst niekde na nete) ktory ti povie na zaklade roznych priznakov na packetoch co z jednotlivych IP lozia to ci za tou IP je zanatovanych viacero zariadeni a dokonca to vedelo aj odhadnut kolko (v jednej chvili)
 
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Thomas
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:19 #52651
Majster


Joined: Okt 31, 2006
Posts: 2062
Location: TT
ak sú to pc v domácnosti nieje problem za 49 Sk mesačne má dalšiu ipku .. a nemusí mať žiaden router ... firmy dostávajú samostaný subnet .. len tu sú staršne lakomý ludia načo budú platiť 499 za 4/1 Mbit linku ked si ju môžu cez router 5 rozdeliť ... toto s ttlkom + obmedzenie počtu spojení + striktné uplatnovanie FUP a keď sa budú stažovať žeto nejde ... jednoducho nemate zdielať propojenie ..
 
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si
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:21 #52652
Majster


Joined: Jan 12, 2003
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Thomas: my tu dalsiu IP nadelime zadarmo Razz
 
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bakula
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 13:41 #52654
Ucen


Joined: Okt 21, 2004
Posts: 792

http://elceef.itsec.pl/natdet/
 
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Robert
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 14:41 #52660
Majster


Joined: Okt 19, 2003
Posts: 2339
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V nasej sieti sa uplatnoval opacny extrem. Radio zasadne vo WISP rezime a DHCP na vnutornej sieti. Takze zakaznik mal hned tych adries 100 (tolko prideloval DPCP).
 
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lol
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 14:49 #52662
Ucen


Joined: Jan 15, 2005
Posts: 768

Robert: Ja to tak robim tiez a nech si zakaznik zdiela dalej ked chce. Ludia to dalej ajtak nebudu zdielat uz len z toho principu, ze sa boja, ze im to pojde "pomaly"
 
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Robert
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 15:19 #52663
Majster


Joined: Okt 19, 2003
Posts: 2339
Location: Bratislava
lol: V reali zdielalo dost malo ludi. Vacsinu dvaja susedia v rodinnych domoch. V zopar pripadoch niekolko ludi na LAN v bytovke. Nas biznis tym naozaj neutrpel. Na druhej strane vela zakaznikov ocenilo, ze si mohli napr. nosit domov NB, ktory si jednoducho pripojili a fungoval im. Dost zakaznikov malo 2-3 pocitace. Takze sme poskytovali cosi ako "analogova" kablovka. Sluzba bez zbytocnych pikantnosti.
 
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zelmar
Post subject: RE: MK - zmena TTL  PostPosted: 08.06.2007 - 19:30 #52677
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Joined: Okt 23, 2005
Posts: 1031
Location: /etc/bin/ladin
Chalan wrote: ›ten sikovny zakaznik musi mat linux ako NATovaciu masinu ci vie to oklamat aj s obycajnym HW routrom?


Ten šikovný zákazník musí mať doma proxy server , ktorý všetky pakety zostavuje sam a nie iba prepisuje zdrojovu IP.
 
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