I had this happen a while back and couldn't identify the cause, and it just happened again this morning. I notice things are brutally slow across network (surfing, VPN to work, etc.) so I check the interfaces and I see them maxed out doing outbound TCP/80 to two addresses, 216.168.105.89, and 216.168.105.87 from my WAN link. My internal network link and DMZ link are essentially unused at these times but I sniffed them just to be sure - yep, nothing going on. So it looks like it's originating from my ASG...? Next time it happens I'll try to do a trace from the console of the ASG to try and see what it is...
The first time I turned off every device on my network one by one and it didn't stop until I turned off the interface for the WAN link so it has to be from ASG outbound but what on earth is it? It ran for 14 hours using up 27GB of data (cool! But not really...LOL).
Just posting so I can track the progress and let you know what happens (and if maybe anyone else has ideas and if someone else is experiencing this). Last time it happened was about 27 days ago (I ended up rebooting the ASG to make sure it wasn't anything wonky in the config or whatever).
When I looked up the IP I think it told me it was akamai so I thought of windows updates right away, wonder if it hung on to connection from my windows machine doing updates and kept chatting or something?
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