TunnelNet Blog
I run a small network out of a house and sell access to part of it. These posts are the things I had to work out the hard way — what they cost, what the contracts actually say, and what I would tell someone standing where I was standing. Each one is written as the answer to a question I went looking for and could not find. Where a competitor or a free option is the better call, the post says so.
7 · Why ufw does not block your Docker ports
ufw status listed three open ports while a fourth was answering the
internet. Where the packets actually go, why the firewall was right, and the
same mistake from the opposite direction hours later.
Read it.
6 · We killed our own database to see if login survived
Two servers sharing one database is redundancy for the wrong failure. What we measured before choosing, what happened when we stopped the primary, and the assertion that made the test mean something. Read it.
5 · Your health check is probably lying to you
We stopped our database and every endpoint kept returning 200, including a fully rendered login page. Nobody could log in. Why a cached read is not a transaction, and the five-minute test for your own. Read it.
4 · One provider for IP, mail, alerting and monitoring
We built a public-IPv4 network, then built the mail, alerting and monitoring we needed to run it. What each one costs, and the four things we deliberately do not claim. Read it.
3 · Why can't I host a server through my VPN?
Three different things are called VPN and only one of them has anything to do with hosting. The four things people actually want, and which tool does which. Read it.
2 · Is Comcast Business worth it for a homelab?
For most homelabs, no — written by someone paying for it. The four cases where it genuinely is, and the three where it is not. Read it.
1 · How much does a Comcast Business static IP cost?
Published rates for a block of 13 addresses, the equipment bill nobody mentions, and the clause in Comcast's own terms saying the addresses were never yours. Read it.
Related
- The TunnelNet guides — the how-to pages, organised by problem
- TunnelNet plans and prices