For POP3, SMTP, MAPI, IMAP, etc see Electronic Mail - broad overview of electronic mail software, protocols, et al.

Usenet Protocol - Usenet Protocol (NNTP, NNRP, etc) and software (newsgroup readers, etc.)

World Wide Web - HTTP, HTML, browsers, transfer utilities, servers, et al.

For FTP see File Transfer and Distribution - Protocols and Methods of transfering files and directories, distributing and installing software. (file collections and archives, FTP, cvsup, NFS, et al.)

For NFS see File Transfer and Distribution - Protocols and Methods of transfering files and directories, distributing and installing software. (file collections and archives, FTP, cvsup, NFS, et al.)

DNS and Named (name daemon) is covered under Host, service name, and address operations

Radius is covered at Identity Authentication

Low-level TCP/IP, PPP, SLIP, is covered at Communication Implementation (low level implementation, multicast, ppp, slip, wrappers,firewalls, et al)

Communication Scripting

Client Server Implementation - clients and servers (listeners) in general. Technologies, frameworks

Up to Communications

perl5 module to make Archie queries via Prospero requests. p5-Archie-1.5

perl5 modules to access and use network protocols. p5-Net-1.0703 Perl5 modules to access and use network protocols

perl5 module to access and use telnet protocol. p5-Net-Telnet-3.02 Perl5 module to access and use telnet protocol

SNMP - Interface to the Simple Network Management Protocol (SNMP). [Perl] {oss}

Net::Netrc - Interface to .netrc files. Part of the libnet bundle. [Perl] {oss}

Net::SNPP - Interface to the Simple Network Pager Protocol (SNPP). Part of the libnet bundle. [Perl] {oss}

Wais - Access to the freeWais-sf libraries. Wais (Wide Area Information Server) is a service/protocol for storing large text databases for speedy retrieval. [Perl] {oss}

Net::Time - Obtains the time from a remote machine. Part of the libnet bundle. [Perl] {oss}