How to clear blocked IP list

Login to your NAS by ssh:

May take a backup from the autoblock databse:

cp /etc/synoautoblock.db
/etc/synoautoblock.db.bak

Change to database sqlite mode:

sqlite3 "Enter"
open the database:
sqlite> .open /etc/synoautoblock.db

Show tables:

sqlite> .tables
> AutoBlockIP

Show all entries:

sqlite> select * from AutoBlockIP;

Delete all entries from database:

sqlite> delete from AutoBlockIP;

Show all entries again:

sqlite> select * from AutoBlockIP;

Delete a single entry: