System services demand (including SSH, FTP, ProFTPD, Vsftpd, Pure-FTPd, Telnet, Samba, Fax, CUPS, Fail2ban, IMAP, POP3, SMTP, VirusMail and Spam, and supporting log files from xinetd, Sendmail, Postfix, Dovecot, UW-IMAP, Qpopper, HylaFAX, MailScanner and CommuniGate).
Sirius provide a full Enterprise Stack which can include, but is not limited to, products such as Asterisk (VoIP), JBoss (application server), Apache (web server), Squid (proxy), OGo/Scalix (groupware), Sendmail/Cyrus (email), Samba/CUPS (file & print), OpenLDAP (directory server), PostgreSQL (database), PostGIS (geographic information systems) and Linux (operating system).
Syslog was developed in the 1980s by Eric Allman as part of the Sendmail project, and was initially used solely for Sendmail.