NetBSD Wiki/features/
tcpip-networking
TCP/IP Networking
- IPv4
 - IPv6
 - UDP/TCP
 - IPSEC
 
Application Protocols
- ssh
 - ftp
 - http/https
 - telnet
 - rsh/rlogin/rexec
 - rstat/rusers
 - finger
 - ident
 - tftp
 - bootp
 - dhcp
 - bootparam
 - NFS V2, V3
 - NFS locking
 - NFS rquota
 - comsat
 - ntalk
 - wall
 - spray
 - Kerberos V4, V5
 - LDAP
 
