Re: Firewall blocking my new Debian 11 server ports 80 and 443
On 5/30/22 09:41, Greg Wooledge wrote:
> On Mon, May 30, 2022 at 07:13:54AM -0500, Tom Browder wrote:
>> No worries. All those responses about the subject IP now are the norm for a
>> bare-iron server ready for use by a customer, yours truly. It is the same
>> server I messed up the firewall with and locked myself out of. The OS has
>> been reinstalled and is ready for me to use again.
> Why are you installing a firewall on a web server *at all*?
Because it prevents accidental port exposure. It's not uncommon to be running some other service other than the web server, and accidental configurations happen all the time. A firewall is a simple security measure to contain such problems.
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