Port 6379: Redis
Redis in-memory data store. Redis has no password by default and exposed instances are taken over to install miners. Bind to 127.0.0.1.
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Port Lookup
Port 6379 at a glance
Port6379
ProtocolTCP
ServiceRedis
Open to the Internet?No, keep it on a private network
See What Is Listeningss -lntup | grep ':6379 '
Test From Outsidenc -zv your-server 6379
Block with UFWufw deny 6379/tcp
Block with nftablesnft add rule inet filter input tcp dport 6379 drop
Redis uses TCP port 6379. Redis in-memory data store.
Redis has no password by default and exposed instances are taken over to install miners. Bind to 127.0.0.1.
If ss shows something listening on port 6379 on a public address, bind it to 127.0.0.1 or a private interface in the service's own configuration, and drop the port in the firewall as well.
Other Ports
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Questions
What is port 6379 used for?
Redis. Redis in-memory data store.
Is it safe to open port 6379?
No, keep it on a private network. Redis has no password by default and exposed instances are taken over to install miners. Bind to 127.0.0.1.
How do I check if port 6379 is open?
On the server, ss -lntup | grep ':6379 ' shows what is listening. From another machine, nc -zv your-server 6379 shows whether the firewall lets it through.
How do I block port 6379?
With UFW: ufw deny 6379/tcp. With nftables, add a drop rule for dport 6379 in your input chain.
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