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1 post

CLI Forward-Reverse Lookup

In previous posts, I’ve explained how to verify identity of search engines and other bots, by looking up the host name and then doing a reverse lookup to cross-check the IP address. This is often referred to as a forward-reverse lookup, or something to that effect. The point is, there are plenty of free online tools available for performing forward-reverse IP/host lookups. And online tools are great, but it’s also possible to do forward/reverse lookups directly via the command line, […] Continue reading »

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Perishable Press is operated by Jeff Starr, a professional web developer and book author with two decades of experience. Here you will find posts about web development, WordPress, security, and more »
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Thoughts
Watching. Waiting. Praying.
Got all of my free WordPress plugins updated for imminent WP 5.6 in early December. Pro plugin updates currently in the works.
7G Firewall now integrated into BBQ Firewall (free version). Pro version soon ;)
macOS Big Sur update complete. So far no crazy issues. Except TextEdit, which is completely screwed up and unusable. Replaced with free BBEdit.
Got so sick of macOS’ annoying “red dot” that I had to remove System Prefs from the dock. Come on Apple you can do better.
Beginning development of an Nginx version of 7G Firewall.
Happy Birthday to Perishable Press, celebrating 15 years online! :)
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