1/31/2024 0 Comments Port unrepliedIndicates that this connection is assured and that it will not be erased if maximum possible tracked connection count is reached.Ĭonnection is confirmed and a packet is sent out from the device.Ĭonnection mark that was set by mangle rule. It looks like this:Īll properties in connection list are read-only In the Winbox Firewall window, you can switch to the Connections tab, to see current connections to/from/through your router. There are several ways to see what connections are making their way though the router. 3 Features affected by connection tracking.TCP identifies connections based on the source/destination address/port quadruple, and it doesn't like duplicates. I don't suppose you've hard-coded the source port (32899?) in your script? Or that something else is causing the same source port to be reused? Because that would explain your symptoms. I'm mystified as to why one entry can get stuck, but even more mystified as to why this would prevent any new connections on that port. I tried running two at the same time, and when the freeze happened, both processes were stuck, and doing cat on the conntrack pseudofile, showed two entries in SYN_SENT state. Update: I was running a script that connects on port 80 and then disconnects. So what you did above, sounds similar to what I need to do.ĭescription Update: I was running a script that connects on port 80 and then disconnects. I used DNAT to push packets arriving on eth0 into tun0, So what you did above, sounds similar to what I need to do. IPTABLES appears to route packets but when I check the apache access_log it still shows incoming IP address as the remote client not as from the local machine. I think I need to take incoming tun0 packets at route to lo, but I can't work out how to do this. I want to connect using OpenVPN and then see the webserver. How did you do that ? I've tried to set up OpenVPN on a server with apache. I'm mystified as to why one entry can get stuck, but even more mystified as to why this would prevent any new connections on that port.ĭescription I used DNAT to push packets arriving on eth0 into tun0, I don't have it in my cut&paste buffer, but on the real server (at the other end of the openvpn tunnel), the matching entry showed up as FIN_WAIT. ![]() I caught it doing it just now, so I did a grep for dport=80 on the linode and saw: ![]()
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