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1st, I already have my vaccine thanks. 2nd, I sure ain't stalking that idiot. 3rd, feel free to delete whatever you want. Can you tell me without laughing that someone whose been using iptables ufw and f2b for YEARS can't use those things? Cmon, look at his posting history. You want that clown...

C'mon after that long asking about ufw and tables, why keep asking? Asking how to block a port is one thing if you've never done it before, but cripes if you know how to block port 90, you sure know how to block port 100 so asking over and over ain't gonna get you anything you dont already know...

Uhh, haven't you been using f2b and iptables for 5yrs now? https://www.linux.org/threads/how-to-block-multiple-ports-in-iptables-ipset.15827/#post-50222 https://www.linux.org/threads/is-advisable-block-based-on-tcpdump-refused-output.15602/...

Why haven't you just tried the commands you listed to see what happens? Would have been faster to try than to post and ask. Not much to go on either as in how does the external usb drive figure into this? And not sure why you're confused as to why a usb hard drive is slower than an internal nvme.

I know that because I'm a member of 1 of those forums and saw it. And a quick Google search for the OP's issue turns up the various other forums with the various other answers/links. And I have better things to do than "follow" some random guy for no reason, thanks for asking. Hopefully so...

Happy to, but as said it was from Canon's own website: https://www.usa.canon.com/internet/portal/us/home/support/details/printers/inkjet-multifunction/ts-series-inkjet/pixma-ts9120-gray-wireless-all-in-one-inkjet-printer?tab=drivers_downloads May have to select the OS pulldown and select "Linux...

There's a 64 bit linux driver on Canons website in a deb package. Seems logical enough to try to load that, doesn't it?

Haven't you been using IPtables for a long time now? And that is a very clear error message. The error is telling you you have bad syntax for the ip address. The docs on iptables tell you that only ranges within the same subnet can be defined that way and you say you read the docs. So since...

Check the other threads you've asked this same question in. Dude, youve been using iptables for close to 10 yrs now so why can't you do anything with your own rules? Could be stuck anywhere, at a firewall, dmz, or someplace else. Run tcpdump or try to just ping the boxes from each other. Or look...

Yea. "problem solved", after they got a solution at another forum, and didn't even go back there to post this after getting someone else to do this for them. https://www.linuxquestions.org/questions/programming-9/ask-for-help-format-unicode-text-file-4175667449/

Changing the title to say "not solved yet" doesn't provide any additional information. And it makes folks alot less likely to try to help you. Again, this is 5 yrs you're working with iptables. UFW is a front end. So: Want to know how UFW works? Read the docs, because no one else is going to...

Postcd: You've posted this exact same thing on four other forums, where you have been asking about iptables for at least 5 yrs. UFW is the front end to iptables, and theres documentation on it on the Ubuntu website. As far as what is the 'correct' rule, how would we know? You've not said...

Wizard, iptables can seem daunting, but it's not difficult. Rules are applied in top-down order, and the syntax is fairly easy to follow, once you get the hang of it. Some links to get you started: https://www.linode.com/docs/security/firewalls/control-network-traffic-with-iptables...