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The Apache HTTP Server is an open source web server by the Apache Software Foundation.

Ubuntu is a Linux distribution.

TierraNet is a US-based web hosting provider and domain registrar owned by ClearHello.

TierraNet is a US-based web hosting provider and domain registrar owned by ClearHello.

TierraNet is a US-based web hosting provider and domain registrar owned by ClearHello.

DaemonMail is a mail sorter and mail handler shared by several internet service providers.

The SSL certificate is invalid because it is not issued for the domain where it is used.

External Cascading Style Sheets define style rules in a separate CSS file.

Gzip (GNU zip) is a file compression algorithm.

A strong ETag is an HTTP header field for validation of cached web pages, that indicates a byte-for-byte identical page in the cache.

Transitional version of HTML.

JPEG (Joint Photographic Experts Group) is a lossy compression method suitable to store photographic images.

Commercial entities