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The time now is 28.04.2024 - 20:05


Ip pocitaca je uz pouzita v sieti

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nordscanxx
Post subject: Ip pocitaca je uz pouzita v sieti  PostPosted: 16.07.2011 - 15:30 #92318
Basic


Joined: Jan 10, 2006
Posts: 149

Zdravim, z nicoho nic sa mi na vsetkych pc v lokalnej sieti zacalo pisat toto...

ze mi koliduje ip a ze uz bolo pouzita inde...
aj ked ju zmenim na inu stale to iste

siet bezi na mikrotiku bez dhcp
kde ide jedno pppoe wan pripojenie, druhe static ip pripojenie a tretie je rozhranie lan na ktre su pripojeny b/g/n a ubnt m5 klienti....

nevedel by mi niekto poradit co sa s tym stalo resp ako to co najlepsie osetrit?? a dat dokopy??

vdaka
 
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ewew
Post subject: RE: Ip pocitaca je uz pouzita v sieti  PostPosted: 16.07.2011 - 15:51 #92319
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Joined: Sep 02, 2009
Posts: 433

Aka je to lokalna siet ?
Mas fyzicky pristup k tym pocitacom ?

Mozes skusit nasledovne kroky :

Skontrolovat ci nahodou nejaka aktualizacia systemu nevynulovala nastavenie sietovej karty. Ak ano tak mozno system nastavil IP na komunikaciu ked nie je k dispozicii DHCP server, inymi slovami obdoba avahi na linuxe.

Skontrolovat PC ci neobsahuju podozrive aplikacie.

Napis ake mas tam pridelene rozsahy, mas to vsetko cez bridge. Detailnejsi popis siete by mozno pomohol.
 
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zelmar
Post subject: RE: Ip pocitaca je uz pouzita v sieti  PostPosted: 16.07.2011 - 17:38 #92320
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Joined: Okt 23, 2005
Posts: 1031
Location: /etc/bin/ladin
Pozri ci niekde namas na iface zapnuty proxy-arp
 
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ste-ve
Post subject: RE: Ip pocitaca je uz pouzita v sieti  PostPosted: 16.07.2011 - 17:43 #92321
Ucen


Joined: Feb 21, 2006
Posts: 538
Location: BA
Mas tam loop. Bud ty si si ho alebo daky dobrak na sieti ti zapojil ten isty kabel spat do siete.
 
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nordscanxx
Post subject: RE: Ip pocitaca je uz pouzita v sieti  PostPosted: 16.07.2011 - 19:05 #92322
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Joined: Jan 10, 2006
Posts: 149

ARP: proxy arp som zmenil na enabled...

ale kludne by som to tipoval na ten loop...

pomohlo by tam DROP pravidlo do firewalu??
ak nie este ma nastavit v ap kontrolu podla mac a postupne ich vypinat...

prakticky cely lan je bridge
 
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midnight_man
Post subject: RE: Ip pocitaca je uz pouzita v sieti  PostPosted: 16.07.2011 - 20:04 #92323
Majster


Joined: Feb 14, 2011
Posts: 2544

netecie ti podozrivo vela dat na eth? Jak vravi steve, mozno niekto zauzlil sieť.
 
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server3
Post subject: RE: Ip pocitaca je uz pouzita v sieti  PostPosted: 18.07.2011 - 16:20 #92332
Ucen


Joined: Aug 11, 2008
Posts: 537

to sa stava ked ma clovek na sieti retardov
 
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