Blog

  • VLANs for home networks

    Home networks are becoming increasingly complex, and security threats as well. Once they were used mostly for personal communications, and entertainment. Now work at home, home automation, and more and more complex tasks performed online at different security levels make simple flat networks inadequate, especially form a security perspective. Does it really make sense that…

  • Manage your own PKI with XCA

    Protecting connections with TLS requires the proper certificate/private key pairs, that need to be issued by a trusted Certificate Authority. You can buy certificates form several public CAs, or obtain free ones form entities like Let’s Encrypt. Sometimes you may need your own private CA and certificates for systems that do not need to be…

  • Setting up FTP behind NAT for Canon cameras uploads

    Recent Canon cameras allow for direct uploads from the camera to different Internet services. Some of them are mediated through the image.canon gateway (i.e. Flickr, Adobe, Google), the camera uploads images to the gateway that in turn transfers them to the end service. Since those services APIs can change over time, it’s not a bad…

  • All your emails are belong to MS

    Microsoft is going to replace – again – the basic Windows email application. After Outlook Express and Windows mail, that despite some huge vulnerabilities were quite usable, the simple but adequate for a touch UI interface Mail in Windows 8, and the very limited and ugly Mail in Windows 10, it’s time of Outlook for…

  • Vigor 165 SNMP monitoring

    Monitoring network equipment is usually a good way to be notified quickly about issues that could impact operations requiring network connectivity. One way to monitor equipment is using SNMP – Simple Network Management Protocol. “Simple” is a bit an oxymoron, because the underlying settings – just look at MIBs – are far from being simple.…