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[R600VPN] Detected ping of death attact issue

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[R600VPN] Detected ping of death attact issue

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[R600VPN] Detected ping of death attact issue
[R600VPN] Detected ping of death attact issue
2019-12-17 07:03:57 - last edited 2021-04-18 10:11:30
Model: TL-R600VPN  
Hardware Version: V4
Firmware Version: 4.0.3

Hello,

 

I recently installed a R600VPN at a small doctor's office that has about 10 end-point devices such as computers, printers, IP deskphones and etc.

However, it stops working almost every two weeks so I need to unplug the power cable and re-plug it to make it work again.

 

This is even 2nd device as they asked for a replacement.

 

The only thing I can think of is the error "Detected ping of death attack" in the log option.

 

Does anybody have an issue like me?

 

 

1 2019-12-17 16:02:17 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
2 2019-12-17 16:02:10 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
3 2019-12-17 16:02:04 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
4 2019-12-17 16:01:57 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
5 2019-12-17 16:01:51 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
6 2019-12-17 16:01:46 DHCP Server NOTICE DHCP Server allocated IP address 192.168.10.180 for the client[MAC: 00:0e:2c:1c:f9:15].
7 2019-12-17 16:01:44 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
8 2019-12-17 16:01:38 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
9 2019-12-17 16:01:31 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
10 2019-12-17 16:01:25 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
11 2019-12-17 16:01:18 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
12 2019-12-17 16:01:12 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
13 2019-12-17 16:01:05 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
14 2019-12-17 16:00:59 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
15 2019-12-17 16:00:52 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
16 2019-12-17 16:00:46 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
17 2019-12-17 16:00:39 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
18 2019-12-17 16:00:33 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
19 2019-12-17 16:00:26 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
20 2019-12-17 16:00:20 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
21 2019-12-17 16:00:13 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
22 2019-12-17 16:00:07 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
23 2019-12-17 16:00:00 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
24 2019-12-17 15:59:54 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
25 2019-12-17 15:59:47 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
26 2019-12-17 15:59:41 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
27 2019-12-17 15:59:34 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
28 2019-12-17 15:59:28 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
29 2019-12-17 15:59:21 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
30 2019-12-17 15:59:15 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
31 2019-12-17 15:59:08 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
32 2019-12-17 15:59:02 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
33 2019-12-17 15:58:55 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
34 2019-12-17 15:58:49 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
35 2019-12-17 15:58:42 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
36 2019-12-17 15:58:36 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
37 2019-12-17 15:58:30 DHCP Server NOTICE DHCP Server allocated IP address 192.168.10.47 for the client[MAC: 00:0e:c6:8e:70:a1].
38 2019-12-17 15:58:29 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
39 2019-12-17 15:58:23 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
40 2019-12-17 15:58:16 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
41 2019-12-17 15:58:10 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
42 2019-12-17 15:58:03 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
43 2019-12-17 15:57:57 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
44 2019-12-17 15:57:50 Firewall WARNING Detected Ping of Death attack. Dropped 3 packets.
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#1
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9 Reply
Re:[R600VPN] Detected ping of death attact issue
2019-12-18 03:35:19 - last edited 2021-04-18 10:11:30
If the IP packet is more than 65535 bytes or less than 64bytes, router will think it's Ping of death attack. The size of the packet doesn't meet the network rule. Some devices may not understand the packet and may hangs. But now most of devices can defend this attack. Your router can defend this attack as well, but lost of packets may take up its CPU or memory. Cannot make sure that this attack make router hangs, but it's still a threat in your network. The router shows the log every 6 seconds. Maybe you can use wireshark to capture the packets and find which device sent this attack packet.
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#2
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Re:[R600VPN] Detected ping of death attact issue
2019-12-18 03:48:14 - last edited 2021-04-18 10:11:30

@Andone 

 

Thanks for your reply.

 

Can I just disable the feature that detects the ping of attack? even if I find something that incurs the error, what should I do with it? if it's a PC, do I need to replace it?

 

I was just wondering if there's an option the turn off the detection feature.

 

Thanks,

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#3
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Re:[R600VPN] Detected ping of death attact issue
2019-12-19 05:53:34 - last edited 2021-04-18 10:11:30

@CUBENET 

 

TL-R600VPN has the setting for ping of death. But it's checked by default and cannot be disable. 

 

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#4
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Re:[R600VPN] Detected ping of death attact issue
2019-12-19 08:37:27 - last edited 2021-04-18 10:11:30

@Andone 

 

I unchecked the option but I still have the problem. I just unchecked the options that were initially checked as default. I will see what happens...

 

Thanks,

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#5
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Re:[R600VPN] Detected ping of death attact issue
2020-01-15 14:18:20 - last edited 2021-04-18 10:11:30
Yes......I started getting the Ping of Death on our 3 TL-R600 routers connecting 3 branch offices. The IPSEC between the routers kept disconnecting and reconnecting making access to server not work. I turned off Dead Peer Detection (DPD) in IPSEC Advanced settings. IPSEC tunnels staying up with no problems. Still getting Ping of Death, but I just ignore them, since they don't "appear " to be affecting performance and the router is "dropping" them.
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#6
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Re:[R600VPN] Detected ping of death attact issue
2020-01-15 15:26:30 - last edited 2021-04-18 10:11:30

@DeBear 

DeBear wrote

Yes......I started getting the Ping of Death on our 3 TL-R600 routers connecting 3 branch offices. The IPSEC between the routers kept disconnecting and reconnecting making access to server not work. I turned off Dead Peer Detection (DPD) in IPSEC Advanced settings. IPSEC tunnels staying up with no problems. Still getting Ping of Death, but I just ignore them, since they don't "appear " to be affecting performance and the router is "dropping" them.

 

I have disabled all the options that were checked as default in "Attack Defence" under "Firewall". I no longer see the attack message and its uptime is about 30days.

 

As for the IPsec VPN, I have never had that issue and that is a reason why I don't want to give up buying and selling(I'm a small re-seller) it's cheap and easy to manage ;)

 

 

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#7
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Re:[R600VPN] Detected ping of death attact issue
2021-01-11 21:13:53 - last edited 2021-04-18 10:11:30

@CUBENET yo solo puse el mcadress Con ip reservado y dejo de mandar el mensaje y el equipo se comportabien...

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#8
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Re:[R600VPN] Detected ping of death attact issue
2021-01-11 21:14:00 - last edited 2021-04-18 10:11:30

@CUBENET yo solo puse el mcadress Con ip reservado y dejo de mandar el mensaje y el equipo se comportabien...

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#9
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Re:[R600VPN] Detected ping of death attact issue
2021-01-11 21:14:14 - last edited 2021-04-18 10:11:30

@CUBENET 

yo solo puse el mcadress Con ip reservado y dejo de mandar el mensaje y el equipo se comportabien...

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#10
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