Jobbiga attacker

G Hasse gh at raditex.se
Sat Jul 22 23:05:24 CEST 2006


Hej!

Jag får hela tiden jobbiga atacker mot min webb-server.
Är det någon som har något bra tipps...

Så här ser det ut om man kör tcp-dump,

21:02:15.557530 203-67-54-68.adsl.dynamic.seed.net.tw.2109 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.560778 203-67-54-68.adsl.dynamic.seed.net.tw.2110 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.566709 203-67-54-68.adsl.dynamic.seed.net.tw.2111 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.642378 203-67-54-68.adsl.dynamic.seed.net.tw.2112 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.652121 203-67-54-68.adsl.dynamic.seed.net.tw.2116 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.655445 203-67-54-68.adsl.dynamic.seed.net.tw.2113 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.658666 203-67-54-68.adsl.dynamic.seed.net.tw.2114 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.662179 203-67-54-68.adsl.dynamic.seed.net.tw.2115 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.665183 203-67-54-68.adsl.dynamic.seed.net.tw.2117 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.668747 203-67-54-68.adsl.dynamic.seed.net.tw.2118 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.681709 203-67-54-68.adsl.dynamic.seed.net.tw.2119 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.685272 203-67-54-68.adsl.dynamic.seed.net.tw.2120 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.695088 203-67-54-68.adsl.dynamic.seed.net.tw.2121 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.698495 203-67-54-68.adsl.dynamic.seed.net.tw.2122 > www.raditex.se.http: . ack 1 win 65535 (DF)
21:02:15.715015 203-67-54-68.adsl.dynamic.seed.net.tw.2123 > www.raditex.se.http: . ack 1 win 65535 (DF)

Och så här om man kör netstat -an

tcp4       0      0  192.5.36.20.80         203.67.54.68.2283      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.2282      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.2281      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1355      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1350      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1345      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1300      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1298      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1294      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1292      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1291      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1290      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1289      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1288      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1287      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1286      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1285      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1284      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1283      ESTABLISHED
tcp4       0      0  192.5.36.20.80         203.67.54.68.1282      ESTABLISHED


Som ni förstår så svarar webb-servern inte på några verkliga frågor...

-- 
Göran Hasse

----------------------------------------------------------------
Göran Hasse            email: gh at raditex.se     Tel: 08-6949270
Raditex AB             http://www.raditex.se    Fax: 070-??????
Planiavägen 15, 1tr                             Mob: 070-5530148
131 34  NACKA, SWEDEN                         OrgNr: 556240-0589
VAT: SE556240058901
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