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If OP needs a firewall rule to do any number of things that a firewall does.
I'm curious to know in which case is useful to know the public IP in a firewall rule because I've never used it.
An access rule for instance. To say to allow all traffic or specific types of traffic from a public IP address. This could be if you wanted to allow access to some media server from your friends house or something.
To allow access from a friend you need his public IP, not yours.
No fucking shit? In that scenario your friend could use DDNS and you point your access rule to his FQDN to allow access.
Did you really ask me a billion fucking “why” questions just to come back and fucking what prove me wrong? Is this a good use of your time? I literally thought you were a noobie looking to understand.
Fuck off.
Dude, just chill! I didn't think that your answer made sense in the first place and that's why I've asked why you wrote that sentence. I'm not the one that reply to a comment saying "You're wrong!", unless I'm more than sure about what I'm talking, otherwise, and in this case I wasn't sure and I wanted to know your point. I'm here to give my point of view and also to LEARN from others and this is why I kept asking you what was the need of resolving a DNS in a firewall rule, so that maybe I could start using those rules too. On the other side, if you understood that your answer didn't make sense, you simply could have just said it and not waste mine and your time. I think that we ALL are here to share idea and knowledge and that NO ONE is perfect, me in the first place!
If you really think someone is wrong don’t ask them “why, why, why” incessantly like a toddler, grow a pair of balls and just speak your mind.
And in this case I meant “your IP” as in, the grand scheme of things “an IP address that you own”, a VPS for instance, not necessarily the destination. Obviously you wouldn’t need to tell a firewall what its own public IP is. Have I clarified my thought to your standards?
You've clarified your thought to a normal standard, as you didn't previously. Learn to say "I was wrong" when you are wrong!
Edit: could I have said in the first place that I thought that you were wrong? Probably yes and I'll keep that in mind.
I would’ve if I was wrong