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Phil's Blog

The thoughts and ramblings of an Engineer

Tag: networking

29 December, 2017 Blog

Proxmox Containers: Manage network interfaces file yourself

Proxmox will manage the network interfaces file (/etc/network/interfaces on Debian) for you, on containers. This is sometimes annoying – for

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28 December, 2017 Blog

Hetzner: Routing IPv6 through a firewall such as pfSense

Hetzner offer very well specified physical servers at extremely low prices. I’ve used them for many years and they’ve proved

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Juniper SRX 345
20 September, 2016 Blog

Chassis clustering a Juniper SRX firewall via a switch

Intro It is recommended that clustered SRX devices are directly connected. To do this, you need to run 2 cables,

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12 September, 2013 Blog

Changing the outgoing SMTP (sending) IP address in Postfix

This is far easier than I thought it’d be. I had to change it to get around some blacklisting my

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2 August, 2013 Blog

How to detect Sonos devices on your network

A potential project requires me to detect Sonos devices on a network and find their IP addresses. Since Sonos only

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16 April, 2013 Blog

How to set up Internet connection (WAN) failover in Cisco IOS including e-mail notifications

As a revision to my earlier post on the matter, here’s a better constructed way to achieve the same effect

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1 April, 2013 Blog

How to disable ICMP redirects in pfSense

When a router’s next hop gateway is in the same subnet as the previous hop, it’ll send an redirect to

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25 March, 2013 Blog

What is anycast? Anycast explained at a very basic level

, at a very basic level, is when a collection of servers share the same IP address and data is

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7 February, 2013 Blog

Configuring Cisco IOS switches for Cisco VOIP phones

Some Cisco switches, such as our Catalyst 3560 series, have Smartports which can be configured via the switch’s web interface

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5 February, 2013 Blog

PHP: Interfacing with HeatMiser WiFi thermostats

I’m quite a big fan of writing code that interfaces with physical data. It somehow feels more fulfilling to see

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