<div dir="ltr"><div>My default setting was 2048. I changed it to 200,000 for now. I haven't really played with sysctl at all. The only change I've ever made in there was for swappiness.<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Aug 1, 2016 at 8:04 PM, Green Dream <span dir="ltr"><<a href="mailto:greendream848@gmail.com" target="_blank">greendream848@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="ltr"><div>It's related to /proc/sys/net/ipv4/tcp_max_orphans</div><div><br></div><div>"Maximal number of TCP sockets not attached to any user file handle, held by system. If this number is exceeded orphaned connections are reset immediately and warning is printed."</div><div><br></div><div>So, I'd start by checking the value of tcp_max_orphans (with "cat /proc/sys/net/ipv4/tcp_max_orphans"). The widely distributed sysctl.conf tweaks for Linux relays suggests a value of 262144. I think the default in many distros may be 4096, perhaps too low for an Exit. </div><div><br></div><div>Some references:</div><div><br></div><div><a href="https://serverfault.com/questions/624911/what-does-tcp-too-many-orphaned-sockets-mean" target="_blank">https://serverfault.com/questions/624911/what-does-tcp-too-many-orphaned-sockets-mean</a><br></div><div><a href="https://raw.githubusercontent.com/torservers/server-config-templates/master/sysctl.conf" target="_blank">https://raw.githubusercontent.com/torservers/server-config-templates/master/sysctl.conf</a><br></div><div><br></div><div>If you need help making the sysctl tweaks let me know.</div><div><br></div></div>
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<br></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">Finding information, passing it along. ～SuperSluether</div>
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