http(glossar.html) - phpMan

ab (1)               - Apache HTTP server benchmarking tool
apachectl (8)        - Apache HTTP Server Control Interface
CGI::Carp (3pm)      - CGI routines for writing to the HTTPD (or other) error...
CGI::Cookie (3pm)    - Interface to HTTP Cookies
git-http-backend (1) - Server side implementation of Git over HTTP
git-http-fetch (1)   - Download from a remote Git repository via HTTP
git-http-push (1)    - Push objects over HTTP/DAV to another repository
gitprotocol-http (5) - Git HTTP-based protocols
HTTP::Config (3pm)   - Configuration for request and response objects
HTTP::Cookies (3pm)  - HTTP cookie jars
HTTP::Cookies::Microsoft (3pm) - Access to Microsoft cookies files
HTTP::Cookies::Netscape (3pm) - Access to Netscape cookies files
HTTP::Daemon (3pm)   - a simple http server class
HTTP::Date (3pm)     - date conversion routines
HTTP::Headers (3pm)  - Class encapsulating HTTP Message headers
HTTP::Headers::Auth (3pm) - (unknown subject)
HTTP::Headers::ETag (3pm) - (unknown subject)
HTTP::Headers::Util (3pm) - Header value parsing utility functions
HTTP::Message (3pm)  - HTTP style message (base class)
HTTP::Negotiate (3pm) - choose a variant to serve
HTTP::Request (3pm)  - HTTP style request message
HTTP::Request::Common (3pm) - Construct common HTTP::Request objects
HTTP::Response (3pm) - HTTP style response message
HTTP::Status (3pm)   - HTTP Status code processing
HTTP::Tiny (3pm)     - A small, simple, correct HTTP/1.1 client
httpd (8)            - Apache Hypertext Transfer Protocol Server
httpd-init.service (8) - httpd unit files for systemd
httpd.conf (5)       - Configuration files for httpd
httpd.service (8)    - httpd unit files for systemd
httpd.socket (8)     - httpd unit files for systemd
httpd@.service (8)   - httpd unit files for systemd
Net::HTTP (3pm)      - Low-level HTTP connection (client)
Net::HTTP::Methods (3pm) - Methods shared by Net::HTTP and Net::HTTPS
Net::HTTP::NB (3pm)  - Non-blocking HTTP client
Net::HTTPS (3pm)     - Low-level HTTP over SSL/TLS connection (client)
Net::SSLeay::Handle (3pm) - Perl module that lets SSL (HTTPS) sockets be hand...
nginx (1)            - "HTTP and reverse proxy server, mail proxy server"