IPv6 OpenVPN Tunneling with Asus MerlinWRT and Postfix Smarthost over v6 Tunnels

Hey All, It’s been a while and I finally got around to updating my postfix cluster to send email over my OpenVPN tunnel with standard ports to my local zimbra server instead of using a non-standard port over the wan.  While I was at it, I figured I’d trying pushing IPv6 and here’s how that went.  A little backstory, my Zimbra Continue reading IPv6 OpenVPN Tunneling with Asus MerlinWRT and Postfix Smarthost over v6 Tunnels

HTTP2 without ALPN is not quite HTTP2

So followup post, I was having some issues with http2 browser support since I was missing ALPN, so after a lot of trial and error, here’s what I ended up with. Partially followed https://fak3r.com/2015/09/29/howto-build-nginx-with-http-2-support/ with a few differences. I installed openssl1.0.2h from this ppa: https://launchpad.net/~ondrej/+archive/ubuntu/php And then used nginx 1.11.1 from http://nginx.org/download/ and also grabbed the headers-more-nginx-module-0.30 and ngx_pagespeed-master off Continue reading HTTP2 without ALPN is not quite HTTP2

Anycast-301

Thank you for using my Anycast 301-www, all this IP Does is redirect users to here (if you enter the naked IP) or to the www.$domain of your domain. Why you ask? Because 3rd party CDN’s and other hosting companies want you to point your domain to a CNAME, you can’t CNAME your root domain (https://tools.ietf.org/html/rfc2181#section-10). So you can now Continue reading Anycast-301

LLDP for Phones on Dell Powerconnect 35xx

TLDR; quick configure lldp policy for vlan 10 to be voice-vlan. conf lldp med network-policy 1 voice vlan 10 vlan-type tagged dscp 46 lldp med network-policy 2 voice-signaling vlan 10 vlan-type tagged dscp 24 int range ethernet e(1-48) lldp optional-tlv port-desc sys-name sys-desc sys-cap 802.3-mac-phy lldp med enable network-policy location poe-pse inventory lldp med network-policy add 1 lldp med network-policy Continue reading LLDP for Phones on Dell Powerconnect 35xx