High traffic on WAN interface
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After upgrading to latest version of Pfsense, I am facing a strange problem. The WAN interface face high in Traffic. It use almost 100% of available bandwidth. The strange is, it does not have same amount of LAN traffic. The system was working without any problem. But after the upgrade, it started to show the problem. At present, the system is not usable. We are using the system as web proxy using Squid3. It does not using ClamAV or any type of filtering. See the screenshot.
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If you click on Current WAN Traffic You'll get the same info but also get the IP addresses generating the traffic. That show anything useful? Could be a DDoS.
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Now the problem is seems to be solved. Can we get any information from system log ?
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Depends on what it was. Looks like a DDoS. There might have been a bunch of firewall logs at the time. Not that they would do you much good.
