// REFERENCE
Port 513 (rlogin)
Protocol: TCP
Service: rlogin
High risk
rlogin: remote login from the Unix «r» services, with no encryption and easily spoofed host-trust authentication. Obsolete and insecure; use SSH (22).
Related tools
Work with this in:
Related
22
Port 22 (SSH) 23
Port 23 (Telnet) 1194
Port 1194 (OpenVPN) 1723
Port 1723 (PPTP VPN) 2222
Port 2222 (alternate SSH) 3389
Port 3389 (RDP)
Port 22 (SSH) 23
Port 23 (Telnet) 1194
Port 1194 (OpenVPN) 1723
Port 1723 (PPTP VPN) 2222
Port 2222 (alternate SSH) 3389
Port 3389 (RDP)
Assignments per the IANA port registry. Educational content.