Home » Kerio User Forums » Kerio Control » Anti-Spoofing and WLAN Devices
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weidl

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Hey there,
all WLAN connected clients are logged in security-log like this:
[22/Jun/2017 17:04:36] Anti-spoofing: Packet from DMZ, proto:TCP, len:64, 192.168.200.100:57483 -> 178.16.57.219:80, flags:[ SYN ], seq:1506818087 ack:0, win:65535, tcplen:0

The WLAN-Router ist connected as Bridge to the LAN with the same IP network: 192.168.200.0
The DMZ has the IP 192.168.210.0

If Anti-Spoofing is active, the WLAN clients have problems to access the internet, without Anti-Spoofing everything is fine.

My questions:
- why is the network DMZ reported with Anti-Spoofing?
- why is spoofing detected with all WLAN clients and only for these clients?

Maybe some has an idea?

Best regards
Guenter

[Updated on: Thu, 22 June 2017 20:39]

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weidl

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Hey all,
recently I found out what happened:
Because a Switch failed, the local admin connected the DMZ to the local LAN switch Mad
This was the reason, why LAN clients where reported by the DMZ interface with spoofing.

But why only WLAN clients are affected?

Maybe someone has an idea, only to explain this.

Best regards
Guenter
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agattorno

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i have the same problem here with the version 9.2.7
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