Too many connection errors on Windows node

2022-03-16Txxxx	ERROR	contact:service	ping satellite failed 	{"Satellite ID": "121RTSDpyNZVcEU84Ticf2L1ntiuUimbWgfATz21tuvgk3vzoA6", "attempts": 1, "error": "ping satellite: failed to dial storage node (ID: xxx) at address xxx:28967: rpc: tcp connector failed: rpc: dial tcp xxx:28967: i/o timeout", "errorVerbose": "ping satellite: failed to dial storage node (ID: xxx) at address xxx:28967: rpc: tcp connector failed: rpc: dial tcp xxx:28967: i/o timeout\n\tstorj.io/storj/storagenode/contact.(*Service).pingSatelliteOnce:139\n\tstorj.io/storj/storagenode/contact.(*Service).pingSatellite:98\n\tstorj.io/storj/storagenode/contact.(*Chore).updateCycles.func1:87\n\tstorj.io/common/sync2.(*Cycle).Run:152\n\tstorj.io/common/sync2.(*Cycle).Start.func1:71\n\tgolang.org/x/sync/errgroup.(*Group).Go.func1:57"}

I keep getting this error in my log way too many times, between 30-50, since 17.02.2022. I don’t know what has changed… maybe an Win update or node update. They appear on all satellites, but not all at once like in Restart. I restarted Windows. Same problem. My Docker nodes work fine, no such error. They are on different locations, but same ISP.
My Online score also decreased to 96% on all satellites. Used to be around 98-99%.

This error indicates problems with your network - the satellites are unable to contact your node.
Usually this could happen if there is some firewall/antivirus blocks connections to the node.
It also could be your router cannot handle the load.

Try to reboot the router, then check firewalls/antivirus to do not block the traffic to/from your node.

And of course make sure that the xxx address is match the IP on Open Port Check Tool - Test Port Forwarding on Your Router and the WAN IP on your router.

It’s very strange. After a closer look I see that it happens every hour, 1 hour apart, at the same minute. I didn’t change anything. Port forward OK, firewall OK, all as before. Is it possible that someone tries each hour to hack my router? Like a bruteforce attack? I don’t know if and how this work, but the 1 hour fixation is very odd. The router is set to restart automaticaly daily. AV dosen’t block anything…

2022-03-17T01:54:23.992
2022-03-17T01:54:23.998
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2022-03-17T01:54:24.351
2022-03-17T02:54:23.903
2022-03-17T02:54:24.043
2022-03-17T03:54:24.032
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2022-03-17T09:54:23.901
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2022-03-17T10:54:23.996
2022-03-17T11:54:24.377
2022-03-17T12:54:23.926
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2022-03-17T13:54:23.990
2022-03-17T13:54:24.035
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2022-03-17T14:54:24.417
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2022-03-17T21:54:23.868
2022-03-17T21:54:23.952
2022-03-17T21:54:24.020

Possible. But more like your router cannot handle the load. Perhaps reboot of the router could help.

I found the problem! You were right about the router. The “Enable DoS protection” in Firewall router’s settings is causing the error. After deactivating it, all “contact:service ping satellite failed” errors are gone.
You should mention this in the install docs of storagenode.

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