<div dir="ltr">I ran 'ufw disable' on all the nodes and tried a peer probe from old/new and new/old but it still gets a 107. I would think that if web1 and web2 are in a production cluster running great for months that's it's not the firewall. web3 and web4 probe each other just fine too.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jan 7, 2015 at 3:46 PM, Ryan Nix <span dir="ltr"><<a href="mailto:ryan.nix@gmail.com" target="_blank">ryan.nix@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>I'm somewhat familiar with UFW and assumed you were using Ubuntu. </div><div><br></div><div>iptables could still block the return responses which could be causing the issue you're seeing. I would still turn UFW off for a minute and see what happens. The risk is minimal.<br><br>Sent from my iPad</div><div><div class="h5"><div><br>On Jan 7, 2015, at 5:35 PM, Michael Bushey <<a href="mailto:michael@realtymogul.com" target="_blank">michael@realtymogul.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr"><br><div class="gmail_extra">Hi Ryan. :)<br><br></div><div class="gmail_extra">UFW stands for Uncomplicated Firewall.<br> <a href="http://en.wikipedia.org/wiki/Uncomplicated_Firewall" target="_blank">http://en.wikipedia.org/wiki/Uncomplicated_Firewall</a><br>You're right in that it was "designed for Ubuntu", I didn't know that. I'm running Debian. I'm not able to shut the firewall off on web1 and web2 as they are production machines. hping3 (-8 is port scan mode) shows that all ports are open and it is NOT a firewall issue, unless someone can point out a missing port in my UFW app config. All machines can telnet to port 24007 on the other machines.<br></div><div class="gmail_extra"><br></div><div class="gmail_extra">I appreciate your responses, thank you Ryan.<br><br></div><div class="gmail_extra">Michael<br></div></div>
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