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Allow Winbox Discovery

2023-11-18 Linux OpenSUSE Firewall
Secara default winbox di openSUSE tidak menampilkan Neighbors karena terblokir oleh firewall. Kita harus allow manual.
sudo firewall-cmd --permanent ...
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Setup Fail2Ban Zimbra

2023-03-26 Linux Server Tutorial Firewall

0.
sudo -u zimbra -
zmprov mcf +zimbraMailTrustedIP 127.0.0.1 +zimbraMailTrustedIP {IP of Server}
zmcontrol restart
1. Install Fail2Ban
yum install ...
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