- Web: web pages, scripts (JavaScript/VBScript), CSS (cascading style sheets),
and other text based files.
- E-mail: any e-mail messages received over POP3 or IMAP4 protocols with or
without attachments. Compressed attachments (like ZIP, MP3, EXE, JPEG, GIF
files and so on) can be decreased by about 25% - 30% (read
more).
- Instant messengers traffic: ICQ, Windows Messenger, AIM, Yahoo! Messenger,
Jabber, Gadu-Gadu.
- Usenet(News) traffic.
- IRC traffic (6667-6670 ports only).
- Traffic of some MMORPG's/MPOG's (online games): World of Warcraft, Ragnarok
Online, Lineage II (by ~10%) and others (standard ports only)
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- Web: pictures, Flash animation, ActiveX, Java applets, ZIP, MP3, EXE, and
other compressed downloads, web pages already compressed with gzip.
- Traffic over any protocols not listed in the right side of this table, for example,
FTP, HTTPS, SMTP, UDP and so on.
- IRC using ports other than 6667-6670.
- Online games traffic using non-standard ports.
- Streaming video and audio traffic.
- Files and voice traffic transferred by instant messengers listed in the right side
of this table.
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