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Post subject: RE: WIFI a security
 Posted: 27.02.2004 - 19:52 #6278
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Majster
Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
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| stale sa tu bavite leno prienikoch do sieti. ale ja som sa stal (teda moja siet) asi pred hodinou obetou dosovania. trvalo im to len 10 minut a uz som letel dole. ako sa branit proti dosom a ide to vobec? (vyzera to ze to robilo len asi 10 kompov priblizne cize nic velke) |
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Post subject: RE: WIFI a security
Posted: 27.02.2004 - 20:46 #6279
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Site Admin
Joined: Dec 23, 2002
Posts: 910
Location: Zvolen
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Post subject: RE: WIFI a security
Posted: 27.02.2004 - 20:46 #6280
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Site Admin
Joined: Dec 23, 2002
Posts: 910
Location: Zvolen
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| myslim vlastní ludia na metalike alebo cudzí na MW ? |
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Post subject: RE: WIFI a security
Posted: 27.02.2004 - 23:03 #6281
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Majster
Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
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| nie cudzie ip. poliaci amici holandania... proste sa do mna pustili a hoci moj gw zahodil 99% packetov linku mi zabili (sak to je jasne ze hej;o)) |
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Post subject: RE: WIFI a security
Posted: 28.02.2004 - 13:12 #6284
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Basic
Joined: Mar 03, 2003
Posts: 423
Location: Nitra
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hehe DoS  no s tym som mal problem cez Vianoce treba to dropovat na routry pred masinou ktoru ti dosuju pretoze ak to dropujes uz v jej INPUTE tak linka je uz v prdeli takze si mal zavolat do nextry napr. fleg, okrem IP, na ktory port Ti DoSovali? |
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Post subject: RE: WIFI a security
Posted: 28.02.2004 - 19:15 #6294
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Majster
Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
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| nevim poslem ti logy ak chces. sledoval som ich len v iptraficu a potom na to uz kaslal aj tag som nevedel co mam robit;o))...tou nextracke ciscoslo asi na 130% nestiahlo shapeovat traffic;o) |
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Post subject: RE: WIFI a security
Posted: 29.02.2004 - 15:22 #6297
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Site Admin
Joined: Dec 23, 2002
Posts: 910
Location: Zvolen
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Post subject: RE: WIFI a security
Posted: 01.03.2004 - 11:21 #6306
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Basic
Joined: Mar 03, 2003
Posts: 423
Location: Nitra
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2 mathew:
" Datum: 8.1.2002 12:52:08
Od: Martin Tomasek <mtd (zavináč) email (tečka) cz>
Předmět: synflooding
imho ta pravidla na omezovani syn paketu budou server blokovat a pomahat utocnikovi. co takhle zauvazovat nad syncookies? "
Presne to aj tie pravidla robia..
Btw.. flegovi by to aj tak zabilo linku ak by to odfiltroval v INPUTE jeho routra.. malo to byt odfiltrovane uz skorej. |
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Post subject: RE: WIFI a security
Posted: 01.03.2004 - 12:42 #6308
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Ucen
Joined: Aug 20, 2003
Posts: 598
Location: Zvolen
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| aku mas zaruku ze to nezabije tu masinku ktora to bude filtrovat pred tebov? |
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Post subject: RE: WIFI a security
Posted: 01.03.2004 - 14:00 #6310
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Basic
Joined: Mar 03, 2003
Posts: 423
Location: Nitra
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| tam to filtrujes vo forwarde.. samozrejme, ze conntrack tam nesmie byt alebo aspom rozsirit mu buffer.. inak ti klakne aj ta, na ktorej to budes dropovat. Inak s mojich skusenosti ak som vyfiltroval DoS vo forwarde stroja pred strojom utocenim.. tak ten stroj prezil a ten druhy bol pritupny. |
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Post subject: RE: WIFI a security
Posted: 01.03.2004 - 14:16 #6311
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Majster
Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
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| kernel sice odolal a stroj nepadol ale linka bola zahltena a tag by mi imho tiez pomohlo len keby pred mojim routrom stala na strane providera masina ktora by filtrovala traffic (co aj tag planujem casom urobit) a myslim ze linka by prezila (tie cisca od nextry to nejako prezili;o)) |
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Post subject: RE: WIFI a security
Posted: 01.03.2004 - 15:59 #6315
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Basic
Joined: Feb 23, 2003
Posts: 423
Location: Bratislava, Dubravka
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| No ak provider používa stroje, ktoré nedokážu zvládnuť záťaž, čo je na linke, tak to je problém... Ale väčšina sa snaží mať istú rezervu. IMO. |
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Post subject: RE: WIFI a security
Posted: 24.04.2004 - 22:18 #7973
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Basic
Joined: Apr 05, 2004
Posts: 11
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Nazdar ludia,
bavite sa o bezpecnosti wi-fi, chcel by som sa opytat, na matfyze teraz rozbehavaju wi-fi, http://www.uniba.sk/~vc/wifi/, mozte sa tam plz kuknut a povedat mi, ako dost je to bezpecne? Vobec mi nejde o to, ci niekto bude vidiet, co kricim z notebooku(vivat SSH), ale o to, ci sa mi nestane, ze po 1. prihlaseni mi niekto cajzne hesielko a bude robit bordel pod mojou identitou .... ako je bezpecny PEAP? To, co tam opisuju...?
diky za odpoved 
k |
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Post subject: RE: WIFI a security
Posted: 24.04.2004 - 22:20 #7974
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Basic
Joined: Apr 05, 2004
Posts: 11
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Post subject: RE: WIFI a security
Posted: 25.04.2004 - 00:41 #7979
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Majster
Joined: Jan 12, 2003
Posts: 4250
Location: /dev/null
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hehe, tusim si pojdem s par kamosmi spravit piknik na travnik pred matfyzom
pokial v tej radiovej sieti bude niekto zit, tak predpokladam ze sa bude dat do nej dostat v realnom case |
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