有些情況，可能造成自己的IP被Synology NAS鎖住了，像是郵件主機架在Synology NAS上，結果郵件密碼設定錯誤。
或是Synology在內網，未正確設定好真實IP的forward header，不管什麼原因，我們想透過命令列的方式去移除被鎖住的IP。

以下提供我的操作範例

ssh root@cc

Synology strongly advises you not to run commands as the root user, who has
the highest privileges on the system. Doing so may cause major damages
to the system. Please note that if you choose to proceed, all consequences are
at your own risk.

root@CCC:~# sqlite3 /etc/synoautoblock.db
SQLite version 3.34.1 2021-01-20 14:10:07
Enter ".help" for usage hints.
sqlite>

進入後

delete from AutoBlockIP where IP ="被鎖的IP";

您也可以下select指令查看

select * FROM AutoBlockIP;

要離開，可以下指令

sqlite> .exit