← Port Encyclopedia
873

rsync

TCP
File Transfer High Risk
rsync — file synchronization, unauthenticated access if misconfigured

🔍 How to Scan Port 873

nmap -sV -p 873 target
nmap -sV -sC --script=banner -p 873 target
nc -zv target 873

🛡️ Security Considerations

  • Scan port 873 with nmap -sV to identify the exact service and version
  • If rsync is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit rsync to find known exploits
  • Monitor traffic on port 873 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related File Transfer Ports

Port 20
FTP-Data
Port 21
FTP
Port 26
RSFTP
Port 69
TFTP
Port 411
DC-Hub
Port 412
DC-Client
Port 548
AFP
Port 1214
Kazaa
Port 2049
NFS
Port 4662
eMule
Port 4672
eMule-UDP
Port 6881
BitTorrent

📍 Nearby Ports

Port 868
Port-868
Port 869
Port-869
Port 870
Port-870
Port 871
Port-871
Port 872
Port-872
Port 874
Port-874
Port 875
Port-875
Port 876
Port-876
Port 877
Port-877
Port 878
Port-878
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