SSHGuard 2 provides a new FirewallD backend that makes it easier to work with in Linux distributions that use FirewallD tools. Here is how you install and configure SSHGuard on such a distribution.
SSHGuard is an intrusion prevention utility that parses logs and automatically blocks misbehaving IP addresses with the system firewall. It’s less configurable than the better-known Fail2Ban but has a smaller resource footprint and ships with full IPv6 support. The newly released SSHGuard version 2.0 have been made easier to configure for new users. It also…
Windows 10 comes with a built-in secure shell (SSH) server for remote login and command line access to your files and programs.
Some network services should only be exposed to other computers on the same trusted network. Here is how you set that up with trusted zones in FirewallD for centOS, Fedora, and RHEL.
Linode includes DNS hosting services to customers at all price tiers. This lets you manage the domains for your VPS’ in the Linode Manager on the web and app. Linode’s distributed DNS services have great performance and a good track record when it comes to uptime and availability. The Linode DNS Manager, however, leaves some…
Windows 10 has a neat data usage report that can help you keep track of how much data your apps on Windows 10 powered devices consume. The feature, hidden in the Network section of the Settings app, can stop updating the ledger over data usage when you’ve got legacy network and security products installed.
Have you ever wondered why you have to run “reload” after making some changes to FirewallD configuration?
Feed subscriptions consume a lot of bandwidth. It can be reduced with compression and HTTP caching. However, whenever one new item is added, every feed reader will download the complete feed anew. Feed delta updates solves this by extending on HTTP cache revalidation so a server would only return new entries after the last fetch.
file_get_contents() is the preferred way to read the contents of a file into a string, according to PHP documentation. Unfortunately, it isn’t magical and needs some work to make it resilient to networking problems.
Most of the time we want our battery powered devices to consume as little power as possible. We all get more done when we don’t constantly have to chase down a charger. To that effect, the Linux kernel will try to power down the Wi-Fi module for short intervals when the Kernel doesn’t think it’s…