27 Jul
2021
27 Jul
'21
10:43 p.m.
|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! |