• comp.protocols.appletalk (newsgroup)
• comp.protocols.dicom (newsgroup)
• comp.protocols.dns (category)
• comp.protocols.ibm (newsgroup)
• comp.protocols.iso (category)
• comp.protocols.kerberos (newsgroup)
• comp.protocols.kermit (category)
• comp.protocols.misc (newsgroup)
• comp.protocols.nfs (newsgroup)
• comp.protocols.pcnet (newsgroup)
• comp.protocols.ppp (newsgroup)
• comp.protocols.smb (newsgroup)
• comp.protocols.snmp (newsgroup)
• comp.protocols.tcp-ip (category)
• comp.protocols.time.ntp (newsgroup)