Category Archives: Computer Security

How to delete your LiveJournal account

LiveJournal recently changed their Terms of Service. Many people are unwilling to accept the new Terms of Service. Some people even find them so unacceptable that they want to delete their LiveJournal accounts. The only way to delete one’s LiveJournal account is via the Account Status page. Unfortunately, it’s impossible to access that page without… Read More: How to delete your LiveJournal account »

Adding malicious IPs in DNSBLs to hosts.deny automatically

[See Adding malicious IPs in DNSBLs to iptables automatically for a new and improved version of this that uses iptables instead of hosts.deny, which is necessary since tcpwrappers is mostly deprecated at this point.] I run my own mail server, which means that there are hackers trying 24×7 to break into the server by connecting to… Read More: Adding malicious IPs in DNSBLs to hosts.deny automatically »

Let’s Encrypt with Synology NAS when you can’t open port 80

UPDATE [2022-02-06]: I’m fairly certain nothing in this blog posting is needed anymore with the current version of Synology’s NAS software (DSM). My NAS’s SSL certificate has been renewing automatically for quite a while now without my ever needing to use this script. I don’t know what mechanism DSM is now using to renew Let’s… Read More: Let’s Encrypt with Synology NAS when you can’t open port… »

We need a “/heartbleed.txt” standard, and we need it ASAP

Those of us who help create and maintain “the internet” that everyone benefits from are now tasked with helping the world recover with one of the biggest, if not the biggest, security holes in the history of the internet. To be certain they aren’t vulnerable, users need to change their passwords at every site that… Read More: We need a “/heartbleed.txt” standard, and we need it ASAP »

My email identity thief is at it again

See my previous articles on this topic. The email identity thief who has been using my email address on-line for years, who apparently goes by the name Diallo Mamadou Oury in real life, has just posted this inexplicable comment on my blog. I posted a response, but I somehow doubt he’ll read or respond to… Read More: My email identity thief is at it again »