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Need help Interpreting firewall logs
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Topic: Need help Interpreting firewall logs (Read 11216 times)
jpgillivan
Full Member
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Posts: 31
Need help Interpreting firewall logs
«
on:
Friday 29 May 2009, 01:19:52 am »
I need some advice on interpreting the firewall logs.
What does this really tell me and what to interpret from the log...
On the second item i copied a very short list. the actual log is much, much longer. Is this typical?
First item, Summary log:
Listed by source hosts:
Dropped 25 packets on interface br0
From 192.168.35.25 - 6 packets to key_udp(1947)
From 192.168.35.36 - 1 packet to key_udp(138)
From 192.168.35.72 - 1 packet to key_udp(138)
From 192.168.35.73 - 3 packets to key_udp(137)
Second item, firewall log:
Time Chain Iface Proto Source Src port MAC address Destination Dst port
May 28 11:05:26 INPUT:DROP lo KEY_TCP
127.0.0.1
9999 :::::
127.0.0.1
49918
May 28 11:05:29 INPUTFW:DROP br0 KEY_UDP
192.168.35.79
64557 ff:ff:14:00:03:00
255.255.255.255
34447
May 28 11:05:31 FORWARD:DROP br0 KEY_UDP
192.168.35.79
55837 ff:ff:14:00:03:00
192.168.2.2
161
May 28 11:05:33 INPUTFW:DROP br0 KEY_UDP
192.168.35.79
64558 ff:ff:14:00:03:00
255.255.255.255
34447
May 28 11:05:37 INPUT:DROP eth1 KEY_TCP
24.95.68.234
2620 ff:ff:14:00:03:00
12.171.236.66
8010
May 28 11:05:39 INPUTFW:DROP br0 KEY_UDP
192.168.35.201
68 ff:ff:14:00:03:00
255.255.255.255
67
May 28 11:05:40 INPUT:DROP eth1 KEY_TCP
24.95.68.234
2620 ff:ff:14:00:03:00
12.171.236.66
8010
May 28 11:05:45 INPUTFW:DROP br0 KEY_UDP
192.168.35.7
68 ff:ff:14:00:03:00
255.255.255.255
67
May 28 11:05:49 INPUT:DROP lo KEY_TCP
127.0.0.1
9999 :::::
127.0.0.1
39093
May 28 11:05:53 INPUTFW:DROP br0 KEY_UDP
192.168.35.79
64563 ff:ff:14:00:03:00
255.255.255.255
34447
May 28 11:05:59 INPUTFW:DROP br0 KEY_UDP
192.168.35.79
60141 ff:ff:14:00:03:00
255.255.255.255
34447
May 28 11:06:03 INPUTFW:DROP br0 KEY_UDP
192.168.35.79
60142 ff:ff:14:00:03:00
255.255.255.255
34447
May 28 11:06:09 INPUTFW:DROP br0 KEY_UDP
192.168.35.79
137 ff:ff:14:00:03:00
192.168.35.255
137
May 28 11:06:10 FORWARD:DROP br0 KEY_UDP
192.168.35.79
55837 ff:ff:14:00:03:00
192.168.2.2
161
May 28 11:06:12 FORWARD:DROP br0 KEY_UDP
192.168.35.79
55837 ff:ff:14:00:03:00
192.168.2.2
161
Logged
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