Vuk,
Kako uradim soft reset nestane vreme, bez obzira na time server, ne znam zasto je tako.
Sto se tice prebacivanja sa primarnog na sekundarni, ruter menja, 100 x sam video, al` u tom trenutku ne.
Open DNS serveri su ucukani i u lan-u i u samom ruteru.
Zvao sam beotel 10-tak puta, zalio se, i kao 2x su mi rekonfigurisali port. (u kom modu je, ne znam)
P.s a tip iz tehnicke podrske mi je rekao (citiram) : internet imate poslednjih 17h (od kada je puk`o zadnji put, jer se ruter ne iskljucuje) i skinuli ste 1200MB. kako to onda Vama ne radi net?? " kraj citata
Jos su oni mene zvali na mob da mi to kazu (nakon zalbe).
Tu sam odlepio
Stoske pazi razmisljao sam malo, prvo sto bih uradio je promenio bih za pocetak password na beotelovom sajtu.
Zasto, recimo kad dva usera na adsl-u u isto vreme pokusaju da koriste isti account, jedan user ce imati blokiranje na routi ili na firewall-u provajdera ili telekoma.
I upravo se desava onakav slucaj kao kod tebe da odmah posle restarta routera dobijas dns probe failed poruku koja ide uzastopce.
Za razliku od Beotela, koji nije dobro konfigurisao svoju stranu, recimo Sezam vrlo brzo posle recimo odredjenog broja neuspelih jasno salje nodu poruku o reinicijalizaciji, koja obara nod i pokusava ponovo.
Videces kako to izgleda u delovima loga koje cu okaciti dole.
Evo o cemu se radi, ima par stvari koje bi mogle da se dese kada se desi situacija kao tvoja, ja cu malo opisati prvu drugu i trecu:
Recimo ti si na netu i radis svoj posao, i pojavi se spoljasnji attack ili jednostavno neko pokusa da se provuce na mrezu copirajuci indetitet nekog noda,
neka Cicso polisa bi mogla da pomisli da si ti u stvari napadac i da te jednostavno iskluci tako sto ce ti lokovati dns na nacine poput:
DNS query or DNS port probe denied or DNS response is denied
ignoring DNS query or ignoring DNS port probe or ignoring DNS response
tako sto ce se pozvati polise "policies were called" ili Cisco PIX firewall
Sledeca situacija je Overlapping Networks or Overlapping Nods, to bi ukratko znacilo da se u nekim trenutcima pojavljuju isti nodovi na istim nodovima
ili se preplicu dve mreze, recimo telekomova sa Beotelovom, ili ko zna cija sa cijom.
U tom slucaju se opet moze desiti pozivanje Cisco polise ili Cisco PIX firewall-a, koji bi zabranio ili blokirao DNS response ili DNS port probe.
Sledeci problem je neadekvatno nastelovan CISCO CSS load balansing na DNS Serveru (serverima), sto bi opet dovelo do pozivanja polise ili firewall-a.
Sledeci na listi bi bio pad Brasa ili pad nekog Juncture pointa na putanji ili pad na Cisco routeru u samom provajderu kada bi se opet negde na putanji
pozvala polisa ili firewall koji bi ti blokirali "DNS query or DNS port probe denied or DNS response is denied"
U sustini ja sam danas isprobavao na raznim provajderima kako im se ponasaju polise blokiranja kada se koriste dve adsl konekcije preko jednog accounta
kako bih video sta ce se laboratorijski desiti. Tako da sam u sustini vestacki izazivao isti problem.
U tvom slucaju Beotel nije zainteresovan da se koncentrise i unese u resavanje problema, mahom i zbog toga sto nemaju neke uvide u logove sa
nodova ponaosob, i zbog toga sto je sve u rukama Telekoma i Jupak, u sustini dovoljno je 5 minuta kako bi se videlo u logovima sta se u tom trenutku
desava na portu 53 na tvom nodu, ili sta se desavalo zasto je blokiran response ili probe na DNS-u.
Jednostavno ili je nekom potrebna ponovna obuka ili neko mora da zasuce rukave i da odvoji 10 minuta svog placenog vremena kako bi obavio svoju radnu duznost.
Toliko od mene. Ostavicu delove log koji su razdvojeni crticama, sto znaci da sam se u tim trenutcima ponovno relogovao ili resetovao ppp, kako
bih ponovno reinicijalizovao Nod.
Neke reference:
DNS query or DNS port probe denied or DNS response is denied
ignoring DNS query or ignoring DNS port probe or ignoring DNS response
policies were called
Cisco PIX Firewall
Overlapping Networks or Overlapping Nods
problems with Cisco CSS to Load Balance DNS Servers
------------------------------------------
2007-11-08 13:17:07 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:17:09 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:17:11 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:17:11 User.Notice 192.168.1.1 dnsprobe[308]: Primary DNS server Is Down... Switching To Secondary DNS server
2007-11-08 13:17:44 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:17:46 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:17:48 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:18:20 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:18:22 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:18:24 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:18:56 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:18:58 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:19:00 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:19:32 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:19:34 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:19:36 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:08 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:10 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:12 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:43 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. Connection DOWN.
2007-11-08 13:20:43 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. PPP connection DOWN.
2007-11-08 13:20:45 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:46 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:48 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:20:56 Daemon.Notice 192.168.1.1 pppd[256]: PPP: Start to connect ...
2007-11-08 13:20:56 Daemon.Critical 192.168.1.1 pppd[256]: PPP server detected.
2007-11-08 13:20:56 Daemon.Critical 192.168.1.1 pppd[256]: PPP session established.
2007-11-08 13:20:57 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
2007-11-08 13:20:57 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
------------------------------
2007-11-08 13:25:41 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:25:43 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:25:45 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:26:17 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:26:19 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:26:21 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:26:53 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:26:55 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:26:57 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:27:30 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:27:32 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:27:34 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:28:06 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:28:08 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:28:10 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:28:42 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:28:44 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:28:46 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:29:18 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:29:20 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:29:22 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:29:25 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. Connection DOWN.
2007-11-08 13:29:25 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. PPP connection DOWN.
2007-11-08 13:29:39 Daemon.Notice 192.168.1.1 pppd[256]: PPP: Start to connect ...
2007-11-08 13:29:39 Daemon.Critical 192.168.1.1 pppd[256]: PPP server detected.
2007-11-08 13:29:40 Daemon.Critical 192.168.1.1 pppd[256]: PPP session established.
2007-11-08 13:29:40 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
2007-11-08 13:29:41 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
--------------------------------------------
2007-11-08 13:31:07 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:31:09 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:31:11 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:31:43 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:31:45 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:31:47 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:32:19 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:32:21 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:32:23 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:32:55 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:32:57 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:32:59 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:33:31 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:33:33 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. Connection DOWN.
2007-11-08 13:33:33 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. PPP connection DOWN.
2007-11-08 13:33:34 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:33:35 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:33:46 Daemon.Notice 192.168.1.1 pppd[256]: PPP: Start to connect ...
2007-11-08 13:33:47 Daemon.Critical 192.168.1.1 pppd[256]: PPP server detected.
2007-11-08 13:33:47 Daemon.Critical 192.168.1.1 pppd[256]: PPP session established.
2007-11-08 13:33:47 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
2007-11-08 13:33:47 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
---------------------------------------------
2007-11-08 13:37:15 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:37:17 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:37:19 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:37:19 User.Notice 192.168.1.1 dnsprobe[308]: Primary DNS server Is Down... Switching To Secondary DNS server
2007-11-08 13:37:39 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. Connection DOWN.
2007-11-08 13:37:39 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. PPP connection DOWN.
2007-11-08 13:37:52 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:37:52 Daemon.Notice 192.168.1.1 pppd[256]: PPP: Start to connect ...
2007-11-08 13:37:52 Daemon.Critical 192.168.1.1 pppd[256]: PPP server detected.
2007-11-08 13:37:52 Daemon.Critical 192.168.1.1 pppd[256]: PPP session established.
2007-11-08 13:37:53 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
2007-11-08 13:37:53 Daemon.Critical 192.168.1.1 pppd[256]: PPP LCP UP.
---------------------------------------------
2007-11-08 13:38:28 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:38:30 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:38:34 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:39:05 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:39:07 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:39:09 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:39:41 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:39:43 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:39:45 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:40:17 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:40:19 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:40:21 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:40:53 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:40:55 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:40:57 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:41:29 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:41:31 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:41:33 User.Warning 192.168.1.1 dnsprobe[308]: dns query failed
2007-11-08 13:41:44 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. Connection DOWN.
2007-11-08 13:41:44 Daemon.Critical 192.168.1.1 pppd[256]: Clear IP addresses. PPP connection DOWN.
---------------------------------------------