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The time now is 28.03.2024 - 18:54


WIFI a security

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k
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:20 #8031
Basic


Joined: Apr 05, 2004
Posts: 11

Stefan, nuz SSH je skratka tusim pre secure shell, ide o kryptovane pripojenie k UNIXovym systemom, ktore zvlada veci ako port forward a pod., je to podla mojho nazoru dostatocne bezpecne ... nie je to zabezpecenie na urovni vrstvy, t.j. kazdy moze nadalej vidiet packety, ktore posielas, ale nerozlusti ich ...
 
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k
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:22 #8032
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Joined: Apr 05, 2004
Posts: 11

popo, ja osobne viem co je ssh, ale ak je z mojho mena/hesla povoleny firewallom pristup iba na linux, kde uz si to ja o SSHckujem vsetko, tak mi moze byt jedno, ci sa tam niekto bude za mna vydavat
 
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popo
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:23 #8033
Ucen


Joined: Aug 20, 2003
Posts: 598
Location: Zvolen
a v tom to je. vobec to neriesi bezpecnost pripojenia na AP.
 
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stefan1
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:25 #8034
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Joined: Apr 11, 2004
Posts: 122

Ale mne nešlo o autentifikaciu mne šlo oto aby som mal dáta na WIFI nejak šifrovane to len K zle pochopil moju otázku. Tak podla vás je SSH top čo to stoji a ako to vlastne funguje? Aký soft použiť , čo na to potrebujem ?
 
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popo
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:29 #8035
Ucen


Joined: Aug 20, 2003
Posts: 598
Location: Zvolen
sedis pekne v teple a mas zapnuty win alebo linux. bud pouzijes dakeho ssh klinta napr putty pod win alebo priamo z konzoly linuxu napises ssh -l adresa. a prihlasis sa. simple.


Last edited by popo on 25.04.2004 - 22:35; edited 1 time in total
 
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k
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:33 #8037
Basic


Joined: Apr 05, 2004
Posts: 11

nuz, SSH je sposob, sluzi na kryptovanie spojenia medzi 2 strojmi ... otazka je, co chces kryptovat, ak bruzdanie po webe, tak to nema zmysel, lebo hned ako to pojde do pevnej siete, tak to bude viditelne ... ak chces prenasat citlive data(ci uz subory, alebo chces byt pripojeny zvonku napr. na domaci pocitac a pod.), tak potom je to to prave ...

potrebujes k tomu SSH server a SSH client - vacsinou je server linux ... SSH je urcene na zabezpecenie konzoly

Ak potrebujes iba preniest data, tak sa to da pomocou SSL - secure socket layer, co je zabezpecenie hocijakeho socketu, je to tiez dost bezpecne, pozri si taky softik, vola sa to stunnel ...
 
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stefan1
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 22:35 #8039
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Joined: Apr 11, 2004
Posts: 122

dik idem to pozret
 
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si
Post subject: RE: WIFI a security  PostPosted: 25.04.2004 - 23:19 #8052
Majster


Joined: Jan 12, 2003
Posts: 4250
Location: /dev/null
k: pokial by si sa vedel z daneho stroja dostat len na jeden server a aj to len cez ssh, tak za predpokladu ze ten server ma bezpecny sshd (teda nederavy) a utocnik nema inym sposobom ziskany login, tak je to relativne ok... ale pochybujem ze sa nebude dat dostat vobec nikam Smile je pravdepodobne ze minimalne v ramci matfyzackej siete sa bude dat lozit... a to sa uz zas potom daju robit rozne haluze Smile
ono staci ze na teba bude mat niekto stastie ked budes prave zivy a odchyti si tvoje data a mas smolu Smile a ked bude dotycy sikovny, tak dokazete existovat na tej radiovej sieti obaja naraz a ani nebudes nic tusit, akurat jedine co si moze spravca vsimnut, ze na APcku budu asociovane 2 radia s rovnakou MAC Very Happy
 
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kockac
Post subject: RE: WIFI a security  PostPosted: 16.05.2004 - 17:59 #8889
Basic


Joined: Feb 23, 2003
Posts: 423
Location: Bratislava, Dubravka
Prave som si na bugtraqu nieco vsimol. Na webe je to napriklad tu. Jedna sa o nejaky nenarocny DoS utok voci 802.11 DSSS, 802.11b a 802.11g pri nizsich rychlostiach, ktory umoznuje utocnikov vyradit zariadenia, na ktore nasmeruje antenu, po dobu trvania utoku. (Potom sa to zotavi prakticky hned.) A vraj sa s tym neda nic robit - iba prejst na 802.11a alebo 802.11 FHSS... Sad
Detailov este moc neviem, nemal som cas to podrobne studovat a hladat dalsie informacie.
 
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jmi
Post subject: RE: WIFI a security  PostPosted: 17.05.2004 - 01:38 #8899
Guru


Joined: Feb 19, 2003
Posts: 1133
Location: blizko Trencina
nieco je aj tuto
http://www.zive.cz/Text/Ar.asp?ARI=116454
 
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Mich(at)l
Post subject: RE: WIFI a security  PostPosted: 30.07.2004 - 20:59 #10477
Basic


Joined: Júl 24, 2004
Posts: 240

A co tak nieco o antivirovych systemoch,pouzivate ich,ak ano tak ake su tie najlepsie??-pochopitelne na server.
 
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Mich(at)l
Post subject: RE: WIFI a security  PostPosted: 30.07.2004 - 21:25 #10479
Basic


Joined: Júl 24, 2004
Posts: 240

A co tak nieco o antivirovych systemoch,pouzivate ich,ak ano tak ake su tie najlepsie??-pochopitelne na server.
 
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fleg
Post subject: RE: WIFI a security  PostPosted: 31.07.2004 - 16:47 #10481
Majster


Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
clamav...amavis..spamassain
 
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Mich(at)l
Post subject: RE: WIFI a security  PostPosted: 04.08.2004 - 21:20 #10567
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Joined: Júl 24, 2004
Posts: 240

fleg-dakujem ze aspon niekto! FAKT
all- co to tu vymrelo????
 
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mgx
Post subject: upozornenie  PostPosted: 04.08.2004 - 22:33 #10569
Guru


Joined: Dec 27, 2002
Posts: 1505

prosim ta, nerob zmatok v diskusii.

zacal sa thread o wifi security, tak neviem co tu meles antivirusy pre klientov.

ziadam ta, aby si posledne prispevky zmazal, inak tak urobim ja spolu s tvojim accountom. zaroven si rac precitat FAQ a netiquette.

dik

mgx
 
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