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Security Log TG582n
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- Security Log TG582n
Security Log TG582n
21-01-2013 2:58 PM
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I'm getting the following in my router security logs. Should I be worried?
Recorded Events
Time Message
Jan 21 14:48:38 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:44:17 FIREWALL replay check (1 of 2): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:38:25 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:34:07 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:21:42 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:10:54 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:00:42 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:50:32 FIREWALL replay check (1 of 1): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:41:24 FIREWALL replay check (1 of 5): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:40:21 FIREWALL replay check (1 of 2): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:30:21 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:17:38 FIREWALL replay check (1 of 5): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:45:12 FIREWALL replay check (1 of 8): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:37:39 FIREWALL icmp check (1 of 6): Protocol: ICMP Src ip: 66.207.80.7 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Port Unreacheable
Jan 21 12:34:51 FIREWALL replay check (1 of 8): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:23:59 FIREWALL replay check (1 of 6): Protocol: ICMP Src ip: 86.181.65.209 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:15:08 FIREWALL replay check (1 of 11): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Recorded Events
Time Message
Jan 21 14:48:38 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:44:17 FIREWALL replay check (1 of 2): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:38:25 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:34:07 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:21:42 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:10:54 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 14:00:42 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:50:32 FIREWALL replay check (1 of 1): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:41:24 FIREWALL replay check (1 of 5): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:40:21 FIREWALL replay check (1 of 2): Protocol: ICMP Src ip: 86.136.182.73 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:30:21 FIREWALL replay check (1 of 4): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 13:17:38 FIREWALL replay check (1 of 5): Protocol: ICMP Src ip: 81.156.50.135 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:45:12 FIREWALL replay check (1 of 8): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:37:39 FIREWALL icmp check (1 of 6): Protocol: ICMP Src ip: 66.207.80.7 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Port Unreacheable
Jan 21 12:34:51 FIREWALL replay check (1 of 8): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:23:59 FIREWALL replay check (1 of 6): Protocol: ICMP Src ip: 86.181.65.209 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Jan 21 12:15:08 FIREWALL replay check (1 of 11): Protocol: ICMP Src ip: 81.129.199.212 Dst ip: 87.114.48.21 Type: Destination Unreachable Code: Host Unreacheable
Message 1 of 6
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5 REPLIES 5
Re: Security Log TG582n
21-01-2013 4:24 PM
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These types of message are normal and show that the router firewall is doing its job - preventing unsolicited access to computers on your LAN from the internet.
Nothing to be concerned about unless they become very frequent.
Nothing to be concerned about unless they become very frequent.
David
Message 2 of 6
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Re: Security Log TG582n
21-01-2013 5:06 PM
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many thanks spraxyt
Message 3 of 6
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Re: Security Log TG582n
21-01-2013 7:12 PM
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As mentioned above it's just the router denying access to fishing expeditions. By the way if you've been doing any P2P such as sharing torrents this broadcasts your IP and can result in people just having a ping to see if you are unprotected.
Democracy - 3 wolves and a lamb voting about what to have for lunch!
Message 4 of 6
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Re: Security Log TG582n
21-01-2013 7:17 PM
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@quelquod
thanks for the tip. I'm not but need to check the offspring aren't doing it behind my back
thanks for the tip. I'm not but need to check the offspring aren't doing it behind my back
Message 5 of 6
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Re: Security Log TG582n
21-01-2013 8:02 PM
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Or it could just be the router blocking legitimate traffic because it arrived too late, or too many arrived all at the same time.
The log message itself is fairly unhelpful, because it just gives some of the details of the packet, but doesn't actually say why it failed the check.
The log message itself is fairly unhelpful, because it just gives some of the details of the packet, but doesn't actually say why it failed the check.
Message 6 of 6
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