With talk of Linux being blocked by FB, when I was on FB, my links—any link—to sdf.org domain were almost instantly labeled “Malicious site” or “Cyber security threat.” I tried to fight it by challenging it, but never got a response. Everything at *.sdf.org was seemingly blocked from the get-go. Mastodon, Lemmy, and tilde sites. I’m not sure there’s anything on Facebook’s part that targeted a small site like SDF, but I think it could’ve even been someone who hosted something malicious on…