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Post subject: MIC failure
 Posted: 29.12.2008 - 15:17 #71985
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Majster
Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
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caute, obcas sa mi stane ze jeden koncovy router rb112 u zakaznika sa rebootne alebo sa strati na par sekund zo siete a v jeho logu potom najdem...
Code: › jan/01/2000 01:00:28 wireless,info mac-apcka@wlan1 established
connection on 5620, SSID ap-SSID
jan/01/2000 01:01:02 wireless,info mac-apcka@wlan1: MIC failure!!!
15:03:05 wireless,info MAC@wlan1: MIC failure!!!
15:03:05 wireless,info MAC@wlan1: enter TKIP countermeasures
15:03:05 wireless,info MAC@wlan1: lost connection, decided to
deauth: MIC failure (14)
15:04:07 wireless,info mac-apcka@wlan1 established connection on 5620,
SSID ap-SSID
15:10:07 wireless,info mac-apcka@wlan1: MIC failure!!!
na strane ap je zas v logu dost casto
Code: › 15:03:08 wireless,info mac-klienta@wlan2: disconnected, extensive data los
s
15:04:07 wireless,info mac-klienta@wlan2: connected
na strankach mk pisu len
<MAC>@<DEV>: MIC failure!!!
TKIP message integrity check failure, somebody must be trying to break into or DOS network, If more than 1 MIC failure is encountered during 60s period, "TKIP countermeasures" state is entered.
<MAC>@<DEV>: enter TKIP countermeasures
Entered TKIP countermeasures state, this means that Station will disconnect from AP and keep silence for 60s.
ale co s tym? apcko je rb133 s MK 3.9 zla volba viem ale nechce sa mi tam trepat a robit downgrade... |
Last edited by Chalan on 29.12.2008 - 15:32; edited 2 times in total
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Post subject: RE: MIC failure
Posted: 29.12.2008 - 15:25 #71986
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Ucen
Joined: Okt 21, 2004
Posts: 792
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Post subject: RE: MIC failure
Posted: 30.12.2008 - 09:54 #72024
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Majster
Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
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updatol som pre istotu firmware na apcku na najnovsiu stable verziu 3.17, taktiez najnovsi bios... log je na strane klienta rovnaky dokonca sa klient rebootuje, na strane ap od upgradu vyzera takto
Code: › jan/01/1970 01:00:19 system,info installed routeros-mipsle-3.17
jan/01/1970 01:00:25 system,info router rebooted
jan/01/1970 01:00:28 wireless,info mac-uplinku@wlan1 established connection on 5560, SSID uplinku
jan/01/1970 01:00:32 wireless,info mac-klienta@wlan2: connected
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: reassociating
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: disconnected, ok
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: connected
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: reassociating
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: disconnected, ok
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: connected
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: reassociating
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: disconnected, ok
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan2: connected
jan/01/1970 01:00:36 wireless,info mac-klienta@wlan1: lost connection, received deauth: 4-way handshake timeout (15)
jan/01/1970 01:00:38 wireless,info mac-klienta@wlan1 established connection on 5560, SSID uplinku
jan/01/1970 01:00:41 wireless,info mac-klienta@wlan2: disconnected, unicast key exchange timeout
jan/01/1970 01:00:43 wireless,info mac-klienta@wlan2: connected
01:19:55 wireless,info mac-klienta@wlan2: disconnected, extensive data loss
01:20:24 wireless,info mac-klienta@wlan2: connected |
Last edited by Chalan on 09.01.2009 - 21:45; edited 2 times in total
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Post subject: RE: MIC failure
Posted: 09.01.2009 - 21:43 #72446
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Majster
Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
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Post subject: RE: MIC failure
Posted: 10.01.2009 - 14:09 #72456
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Majster
Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
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| nehovorte ze sa stym este nikto nestretol... |
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Post subject: RE: MIC failure
Posted: 10.01.2009 - 16:22 #72459
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Basic
Joined: Sep 20, 2005
Posts: 279
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mozno hw chyba
skusal si menit minipci?alebo adapter?
alebo to moze kolisanie napetia |
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Post subject: RE: MIC failure
Posted: 10.01.2009 - 17:17 #72463
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Majster
Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
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bol meneny zatial len zdroj u klienta z 18V za 24V 3A ale nepomohlo... skusal som totiz z ap robit BW test a ci pri recieve alebo send sa to vzdy po chvilke odpoji s hlaskou extensive data loss, takze som predpokladal ze nestiha zdroj... moze to ale robit aj upska? zdroj klienta je napojeny do ups, vraj vytazena na 30percent len ale PCcka sa nerestartovavaju  ...
skusim este vymenit miniPCI na apcku, zda sa mi ze na tu vzdialenost je slaby signal... |
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Post subject: RE: MIC failure
Posted: 12.01.2009 - 20:27 #72514
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Ucen
Joined: Okt 21, 2004
Posts: 792
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No asi nikto nepouziva taku zvrhlost ako WPA ku klientom. Ale ked mam k veci tak skus novu verziu 3.18
What's new in 3.18:
*) fix potential wireless crash under load when negotiating encryption;
Pokial nepotrebujes nic ine tak skus instalovat len system,wireless,routerboard. Balik security sposobuje obcas lietanie procesora na takom slabom HW ako tam mas. |
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Post subject: RE: MIC failure
Posted: 12.01.2009 - 21:13 #72516
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| ale potom mu nepojde SSH a ani zabezpeceny WinBox. |
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Post subject: RE: MIC failure
Posted: 14.01.2009 - 13:01 #72563
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Majster
Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
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inak vraj to doteraz nemali na upske, robili si tam poriadok v kabloch, dali zdroj od MK na UPSku a uz to ide...
bakula: preco je podla teba zvrhlost wpa na klientoch? co pouzivas ty? |
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Post subject: RE: MIC failure
Posted: 15.01.2009 - 03:54 #72606
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Ucen
Joined: Okt 21, 2004
Posts: 792
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| Nepuzivam sifrovanie vobec. Ked potrebujes security tak si nad tym rozchod tunel. Radio ma dost starosti zo svojou komunikaciou v zarusenom prostredi a zatazovat ho este sifrovanim... Ked schovas ssid, zapnes mac filter tak aj "najvacsi haker" ked tam najde tunel velmo rychlo zdupka prec. |
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