E-mail server configuration can be a pain. Spam was and still is a big problem, especially due to its volume, being almost half the size of all e-mail sent globally. Automated services, filters, reputation monitors and blacklists made it harder for spam to get across in people’s inboxes. It also made it harder for e-mail servers to be accepted as “legitimate” – which is good because it raises the quality level and hardens the requirements, but on the other side, it gives debugging issues. Continue reading “E-mail server configuration – through trial and error”
Spam has been and still is a very annoying issue. It’s better managed nowadays by having multiple blacklists of known “spammy” IPs, better email server configurations and more aggressive spam filters. This also raises the requirement levels that legitimate email servers must adhere to.
According to some sources, WordPress powers approximately 18.9% of all known websites. Not sure of the exact specifics and I don’t think it’s relevant to question them, but I think most people agree that a lot of websites are using WordPress. Which makes it a clear target for both mass and targeted online attacks. Given the fact that like with other software or systems, a lot of WordPress installations are poorly managed by their users from a security perspective, especially when it comes to updates and proper credentials, the ease of compromise increases attracting even more attackers. Continue reading “WordPress login attempts – observations and conclusions”
If you want a personal VPN solution that you can host at home or on a VPS, PPTP is the easiest way to do it. Or if you want a VPN test subject, PPTP is also the easiest way to do it. The following will detail how to set up a PPTP server on a Debian (version 7.8) machine. To be understood that choosing PPTP as a VPN doesn’t guarantee a really secure solution , but it can save time and setup issues associated with other alternatives. For a more secure alternative over PPTP, I’d recommend OpenVPN. Continue reading “Setting up and debugging a PPTP server on Debian”
03As mentioned in a previous articles on hosting control panels to use for your VPS , buying a VPS is as affordable as or even cheaper than shared-hosting. This is only when it comes down to money/month or year. Other costs or resources would include time and knowledge to actually setup and maintain your VPS. A great way to start lowering those costs is by having a look at free alternatives to CPanel. Continue reading “7 things I look for at a VPS provider”