Networking
Don’t use RouterOS DHCP lease scripts to manage DNS
MikroTik’s DHCP lease scripts don’t execute on DHCP renewals, causing issues with DNS registrations when devices suspend and rejoin the network later.
Networking
Networking
Network routers are just computers
Network routers are neither appliances nor magic; they’re computers and computers require ongoing maintenance and security patching. But whose job is that?
Privacy
How to block web browser-based localhost port-scans
Websites are port-scanning your localhost. Here’s how to stop random websites from knowing what services are running on your device.
P2P
P2P apps’ connection amnesia makes them less fault-tolerant
Peer-to-peer apps forget the IP addresses it communicated with in the last session and rely on peer-discovery all the time. Caching can make them more robust.
Fedora Linux
How to switch firewalls from FirewallD to UFW
A quick tutorial for migrating from FirewallD and getting started with the Uncomplicated Firewall (UFW). Both are front ends for Linux’s iptables firewall.
VPS
Where are the managed IP-anycast VPS service providers?
VPS service providers have data centers located all over the world. You need managed anycast IP-addresses to direct users to the nearest VPS location.
Linux
How to disable outgoing mDNS broadcasts on Linux
Tutorial for quieting Multicast DNS using various firewall front-ends for Linux’s iptables firewall such as FirewallD and Ubuntu’s UFW.
Censorship
The distributed web isn’t ready for Runet cutoff from the Internet
Russia to test disconnecting from the global Internet. Peer-to-peer distributed internet alternatives won’t survive after the Runet cutoff.
Networking
Enable both .onion and .i2p routing with Proxy Auto-Configuration
Two competing proxy-anonymity proxy services — e.g. Tor Onion and I2P — can be used at the same time when set up with a PAC file.
Android
Android apps time out connections after setting up a PAC proxy
An over-aggressive power-savings system causes Android devices configured with a PAC proxy configuration file to lose networking.
CDN
Turkey blocks BunnyCDN; Ctrl blog and 14 000 websites inaccessible
Ctrl blog was inaccessible in Turkey for five days as the country inadvertently blocked the BunnyCDN content delivery network.
Hardware
Tor router-maker InvizBox chases VPN subscriptions down rabbit hole
InvizBox wants some of that sweet VPN subscription service revenue. Abandons Tor Onion network anonymity in favor of a more lucrative venture.