hosts.deny, fail2ban etc.

[H <agents@xxxxxxxxxxxxxx>]

|Running CentOS 7. I was under the impression - seemingly mistaken - that by adding a rule to /etc/hosts.deny such as ALL: aaa.bbb.ccc.* would ban all attempts from that network segment to connect to the server, ie before fail2ban would (eventually) ban connection attempts.

This, however, does not seem correct and I could use a pointer to correct my misunderstanding. How is hosts.deny used and what have I missed?

Is it necessary to run:

 iptables -I INPUT -s aaa.bbb.ccc.0/24 -j DROP

to drop incoming connection attempts from that subnet?

Thank you!
|
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