September 23, 20169 yr First of all everything is behind a NAT router running shibby tomato. No ports are open including, uPnP/NAT PNP all turned off. All unraid user shares are locked down to read only. I'm running binhex delugeVPN docker (PIA VPN) downloading a torrent and i'm starting to see these messages i've never seen before in my main unraid log. Sep 22 12:48:12 Tower kernel: TCP: request_sock_TCP: Possible SYN flooding on port 34499. Sending cookies. Check SNMP counters. Sep 22 16:06:45 Tower kernel: TCP: request_sock_TCP: Possible SYN flooding on port 33276. Sending cookies. Check SNMP counters. Sep 22 16:50:43 Tower kernel: TCP: request_sock_TCP: Possible SYN flooding on port 33276. Sending cookies. Check SNMP counters. And also... Sep 23 06:33:59 Tower ntpd[1652]: receive: Unexpected origin timestamp 0xdb8fadc1.5c9985f4 does not match aorg 0xdb8fadc7.5c979921 from [email protected] xmt 0xdb8fadc7.21f36638 Sep 23 06:34:01 Tower ntpd[1652]: receive: Unexpected origin timestamp 0xdb8fadc3.5c9b42ef does not match aorg 0xdb8fadc9.5c9b309d from [email protected] xmt 0xdb8fadc9.3484eae4 Sep 23 06:34:03 Tower ntpd[1652]: receive: Unexpected origin timestamp 0xdb8fadc5.5c9b3628 does not match aorg 0xdb8fadc9.5c9b309d from [email protected] xmt 0xdb8fadcb.2f607f95 Sep 23 06:34:05 Tower ntpd[1652]: receive: Unexpected origin timestamp 0xdb8fadc7.5c979921 does not match aorg 0xdb8fadc9.5c9b309d from [email protected] xmt 0xdb8fadcd.19ecf94f Just wondering is this anything to worry about? It's got to be something to do with the torrent i'm downloading. My guess is that it's harmless but I just want to check.
April 9, 20215 yr On 9/23/2016 at 5:53 PM, TUMS said: I'm running binhex delugeVPN docker (PIA VPN) downloading a torrent and i'm starting to see these messages i've never seen before in my main unraid log. Sep 22 12:48:12 Tower kernel: TCP: request_sock_TCP: Possible SYN flooding on port 34499. Sending cookies. Check SNMP counters. Sep 22 16:06:45 Tower kernel: TCP: request_sock_TCP: Possible SYN flooding on port 33276. Sending cookies. Check SNMP counters. Sep 22 16:50:43 Tower kernel: TCP: request_sock_TCP: Possible SYN flooding on port 33276. Sending cookies. Check SNMP counters. Happening to me too. How did you manage to fix it?
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