I set everything right, added server in mysql, edited sql.cfg but:
[amxbans_main.amxx] [AMXBans] Connection failed!
L 01/18/2017 - 20:02:29: [amxbans_main.amxx] [AMXBans] Threaded Query Error, Place: 17
L 01/18/2017 - 20:02:29: [amxbans_main.amxx] [AMXBans] Message: Lost connection to MySQL server at 'reading initial communication packet', system error: 111 (2013