Experiment with Firewalls in Linux (CentOS/RedHat) #DevOps #RHCSA

44 firewall-cmd –state
45 systemctl status firewalld
46 firewall-cmd –reload
47 systemctl restart firewalld.service

systemctl restart firewalld

48 firewall-cmd –get-default-zone
49 firewall-cmd –get-active-zones
50 firewall-cmd –get-zones
51 firewall-cmd –get-zone-of-interface=ens33
52 firewall-cmd –list-all
53 firewall-cmd –list-all-zones
54 firewall-cmd –get-default-zone
55 firewall-cmd –get-active-zones
56 firewall-cmd –list-all
57 firewall-cmd –get-zones
58 firewall-cmd –list-all-zones
59 firewall-cmd –list-all –zone external
60 firewall-cmd –new-zone testzone –perm
61 firewall-cmd –delete-zone testzone –perm
62 firewall-cmd –get-zones
63 firewall-cmd –new-zone testzone –perm
64 firewall-cmd –get-zones
65 cat /etc/firewalld/zones/testzone.xml
66 cat /etc/firewalld/zones/
67 ll /etc/firewalld/zones/
68 cat /etc/firewalld/firewalld.conf
69 firewall-cmd –get-services
70 firewall-cmd –list-services
71 firewall-cmd –list-services –zone internal
72 firewall-cmd –query-service tftp
73 firewall-cmd –query-service ftp

76 firewall-cmd –query-service ssh
77 firewall-cmd –new-service testservice –perm
78 ll /etc/firewalld/services/testservice.xml
79 firewall-cmd –add-service testservice testservice –zone work –perm
80 firewall-cmd –permanent –add-service testservice –zone work
81 firewall-cmd –list-services –zone work
82 firewall-cmd –list-ports
83 firewall-cmd –query-port 53/tcp –zone dmz
84 firewall-cmd –permanent –add-port 53/tcp
85 firewall-cmd –list-ports
86 firewall-cmd –query-port 53/tcp –zone dmz
87 firewall-cmd –query-port 53/tcp From: http://sitestree.com/?p=11980
Categories:DevOps, RHCSA
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Post Data:2017-12-15 12:47:48

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