Port 25565: Minecraft
Minecraft Java Edition servers. Game servers attract floods; put them behind DDoS-filtered IPs.
- Free
- No Sign-Up
- Runs in Your Browser
Port Lookup
Port 25565 at a glance
Port25565
ProtocolTCP
ServiceMinecraft
Open to the Internet?Yes, if you run this service publicly
See What Is Listeningss -lntup | grep ':25565 '
Test From Outsidenc -zv your-server 25565
Block with UFWufw deny 25565/tcp
Block with nftablesnft add rule inet filter input tcp dport 25565 drop
Minecraft uses TCP port 25565. Minecraft Java Edition servers.
Game servers attract floods; put them behind DDoS-filtered IPs.
Open port 25565 only on servers that run Minecraft, and keep the software patched: public services are scanned within minutes of going online.
Other Ports
20 FTP Data21 FTP22 SSH23 Telnet25 SMTP53 DNS67 DHCP Server80 HTTP110 POP3123 NTP143 IMAP161 SNMP389 LDAP443 HTTPS445 SMB465 SMTPS514 Syslog587 Mail Submission853 DNS over TLS993 IMAPS995 POP3S1194 OpenVPN1433 Microsoft SQL Server1900 SSDP / UPnP2049 NFS2083 cPanel (SSL)2087 WHM (SSL)3306 MySQL / MariaDB3389 RDP3478 STUN / TURN5060 SIP5432 PostgreSQL5900 VNC6379 Redis8006 Proxmox VE8080 HTTP Alternate8443 HTTPS Alternate11211 Memcached25565 Minecraft27017 MongoDB51820 WireGuard
Questions
What is port 25565 used for?
Minecraft. Minecraft Java Edition servers.
Is it safe to open port 25565?
Yes, if you run this service publicly. Game servers attract floods; put them behind DDoS-filtered IPs.
How do I check if port 25565 is open?
On the server, ss -lntup | grep ':25565 ' shows what is listening. From another machine, nc -zv your-server 25565 shows whether the firewall lets it through.
How do I block port 25565?
With UFW: ufw deny 25565/tcp. With nftables, add a drop rule for dport 25565 in your input chain.
Free Tools
More tools
Port LookupWhat runs on a TCP or UDP port, and whether it should be open.Firewall Rule GeneratorGenerate iptables, nftables and UFW rules for common server set-ups.What Is My IPYour public IP address, reverse DNS, network and ASN.IP Reputation CheckerCheck an IP against spam blocklists and threat feeds at once.
Abuse from open ports on your VMs?
Frabs spots amplification, scans and floods leaving any VM and stops them, without touching your firewall.