SECURITY E-SERVER : INTERNET APPLICATIONS
Ed. 046/10 Réf. 3EH 21000 BSAA
PROTOCOLS AND PRINCIPLES OF FILTERING
The table below presents the protocol filtering possibilities, depending on the OmniPCX Office confi-
guration.
It sets out the options for inhibiting or allowing a particular protocol, as a function of the services pre-
sent in OmniPCX Office.
Exemple : A client wants to inhibit the Real Audio Player protocol.
This protocol is one of those supported by NAT; its filtering principle depends on the fi-
rewall alone.
If the firewall is active, the Security->Protocol Control [Multimedia] box must not be
checked; if it is inactive, the client cannot inhibit this protocol.
protocols/applications Firewall
activated?
Proxy
present?
Omni-
PCX Offi-
ce = mail
server?
NAT
activated?
Filtering principles
Messaging
SMTP
POP3
YES """"""""""""""" """"""""""""""" """"""""""""""" Depends on configuration
Security->Protocol Con-
trolMail
NO """"""""""""""" YES """"""""""""""" Depends on configuration
Security->Protocol Con-
trol
Mail
NO """"""""""""""" Authorized protocols
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