h4cker/cheat_sheets/insecure_protocols.md

Insecure Protocols and Services

Insecure Protocols

The following are also some of the protocols that are considered insecure:

• Rlogin: https://linux.die.net/man/1/rlogin
• Rsh: https://linux.die.net/man/1/rsh
• Finger: https://linux.die.net/man/1/finger

Insecure Services

The following services should be carefully implemented and not exposed to untrusted networks:

• Authd (or Identd): https://linux.die.net/man/3/ident
• Netdump: https://linux.die.net/man/8/netdump
• Netdump-server: https://linux.die.net/man/8/netdump-server
• Nfs: https://linux.die.net/man/5/nfs
• Rwhod: https://linux.die.net/man/8/rwhod
• Sendmail: https://linux.die.net/man/8/sendmail.sendmail
• Samba: https://linux.die.net/man/7/samba
• Yppasswdd: https://linux.die.net/man/8/yppasswdd
• Ypserv: https://linux.die.net/man/8/ypserv
• Ypxfrd: https://linux.die.net/man/8/ypxfrd