Ping  sendmsg  operation not permitted

Ping sendmsg operation not permitted

401 unauthorized when trying to log on to openshift 4.5 with

Prof.Chaos had the same problem/solution as me. The “internet kill switch” on NordVPN prevents you from accessing the internet when the VPN is turned off. I was able to connect to the internet after I enabled NordVPN. As an aside, here are some terminal style options:
I’ve had this problem on several Linux systems, and the problem has always been with the NordVPN Linux client. Your Internet link would be seriously disrupted if you activate the killswitch and then disconnect from the VPN, as if the killswitch were still partially active. Most websites will not load if command-line tools such as ping and traceroute return “service not allowed” errors.
According to the journalctl excerpt, your firewall, IPTables, is most likely blocking DHCP requests. I’m thinking the time before you lose internet is around the same as your network’s DHCP lease time. As a result, your computer’s attempts to renew its IP address are blocked.

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The device cannot use any of its network interfaces after downloading iptables (1.4.12.2 – the latest version AFAIK), changing the net.ipv4.ip forward key to 1, and allowing forwarding in the iptables configuration file (and rebooting). Ping has a problem with
I assume it has something to do with iptables because it operates without it (server can access the internet, and I can login with ssh from the internal network). I don’t have a lot of iptables experience, so I used these as a starting point (separate from each other, of course…):

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I’m actually experiencing a problem where the Firewall for Linux seems to be blocking outbound connections on occasion. When I try to ping a device from inside the server, I get the message “ping: sendmsg: Operation not permitted” because ICMP is allowed in the policy. This is rather transient since it happens for a variable amount of time, such as 10-20 minutes, then operates for a short period of time before stopping. The current version of the agent is 5.6.1.137. Versions 10.6.3 and 10.6.4 of the Firewall are affected.
Resolution of FirewallReference
TSDE-2298 TSDE-2298 TSDE-2298 TS During policy enforcement, the firewall blocks all inbound and outbound packets. The problem has been fixed in this update. TSDE-2658 TSDE-2658 TSDE-2658 During partial policy execution, the firewall incorrectly updates the policy. The problem has been fixed in this update.
Resolution of FirewallReference
During policy implementation, the TSDE-2298 Firewall blocks both inbound and outbound packets. The problem has been fixed in this update. TSDE-2658 During partial policy execution, the firewall incorrectly updates the policy. The problem has been fixed in this update.

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Firewall problems are normally the cause of the operation not being authorized. Have you configured iptables to enable communication between the host and the guest? You’ll also need to include the host and guest ip address schemes if we’re going to be able to help you. In Linux, use ifconfig -a; in Windows, use ipconfig/all.
Oh, sure. Turning off the firewall when working on your networking problems is one of the suggestions in the suse HOWTO by swerdna. Switch the firewall back on after you’ve had everything running, and then deal with any firewall problems you may have. That’s just good common sense in any OS; I recall doing the same thing in Windows. It saves a lot of time and effort.

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