I can ping pong Redis on the server:
# redis-cli ping
PONG
But remotely, I got problems:
$ src/redis-cli -h REMOTE.IP ping
Open $REDIS_HOME/redis.conf and uncomment requirepass -YOUR-PASSWORD-HERE- and write down your password in the specified lines.
Login to redis using redis-cli and verify your password in the database using auth -YOUR-PASSWORD-HERE- command.
Disable protected mode by changing its string in $REDIS_HOME/redis.conf to protected-mode no.
Search for all bind ports values and comment all of them. Just add bind 0.0.0.0 to $REDIS_HOME/redis.conf file.
Disable your firewall or open redis port.
Start redis using ./redis-server $REDIS_HOME/redis.conf.
Check the configuration via ./redis-cli -h -YOUR-IP- -a -YOUR-PASSWORD-HERE-.
./redis-cli -h -YOUR-IP- ping.