Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Chapter 15 System Administration
•
Allow All. This mode allows all connections to the appliance. This is the
default mode of operation.
default mode of operation.
•
Only Allow Specific Connections. This mode allows a user to connection to
the appliance if the user’s IP address matches the IP addresses, IP ranges, or
CIDR ranges included in the access list.
the appliance if the user’s IP address matches the IP addresses, IP ranges, or
CIDR ranges included in the access list.
•
Only Allow Specific Connections Through Proxy. This mode allows a user
to connect to the appliance through a reverse proxy if the following
conditions are met:
to connect to the appliance through a reverse proxy if the following
conditions are met:
–
The connecting proxy’s IP address is included in the access list’s IP
Address of Proxy Server field.
Address of Proxy Server field.
–
The proxy includes the
x-forwarded-header
HTTP header in its
connection request.
–
The value of
x-forwarded-header
is not empty.
–
The remote user’s IP address is included in
x-forwarded-header
and it
matches the IP addresses, IP ranges, or CIDR ranges defined for users in
the access list.
the access list.
•
Only Allow Specific Connections Directly or Through Proxy. This mode
allows users to connect through a reverse proxy or directly to the appliance if
their IP address matches the IP addresses, IP ranges, or CIDR ranges included
in the access list. The conditions for connecting through a proxy are the same
as in the Only Allow Specific Connections Through Proxy mode.
allows users to connect through a reverse proxy or directly to the appliance if
their IP address matches the IP addresses, IP ranges, or CIDR ranges included
in the access list. The conditions for connecting through a proxy are the same
as in the Only Allow Specific Connections Through Proxy mode.