¿Cómo puede incluir una lista blanca de un remitente de confianza?

Pregunta

¿Cómo hace usted lista blanca un remitente de confianza?

Respuesta

En el dispositivo de seguridad del correo electrónico de Cisco (ESA), agregue los remitentes que usted confía en al grupo del remitente WHITELIST porque este grupo del remitente utiliza la directiva del flujo de correo $TRUSTED. Los miembros del grupo del remitente WHITELIST no están conforme a la tarifa que limita, y el contenido de esos remitentes no es analizado por el motor de Cisco IronPort AntiSpam, sino todavía es analizado por el software del contra virus de Sophos.

Note: Por abandono se habilita la configuración, exploración del contra virus pero se apaga el Anti-Spam.

A la lista blanca un remitente, agrega el remitente al grupo del remitente WHITELIST en la tabla del acceso del host (SOMBRERO). Usted puede configurar el SOMBRERO vía el GUI o el CLI.

Del GUI

1. Haga clic la lengueta de las directivas del correo.
2. Bajo sección de la tabla del acceso del host, seleccione la descripción del SOMBRERO,
3. A la derecha, aseegurese a su módulo de escucha de InboundMail se selecciona actualmente,
4. De la columna del grupo del remitente abajo, haga clic el WHITELIST,
5. Haga clic el botón del remitente del agregar cerca de la en el centro de la parte inferior de la página.
6. Ingrese el IP o el nombre de host que usted quiere al whitelist en el primer campo.

Cuando usted acaba de agregar las entradas, haga clic el botón Submit Button. Recuerde hacer clic los cambios del cometer abotonan para salvar sus cambios.

Del CLI

example.com> listenerconfig
Currently configured listeners:
1. InboundMail (on PublicNet, 172.19.1.80) SMTP TCP Port 25 Public
2. OutboundMail (on PrivateNet, 172.19.2.80) SMTP TCP Port 25 Private
Choose the operation you want to perform:
- NEW - Create a new listener.
- EDIT - Modify a listener.
- DELETE - Remove a listener.
- SETUP - Change global settings.
[]> edit
Enter the name or number of the listener you wish to edit.
[]> 1
Name: InboundMail
Type: Public
Interface: PublicNet (172.19.1.80/24) TCP Port 25
Protocol: SMTP
Default Domain:
Max Concurrency: 1000 (TCP Queue: 50)
Domain Map: Disabled
TLS: No
SMTP Authentication: Disabled
Bounce Profile: Default
Use SenderBase For Reputation Filters and IP Profiling: Yes
Footer: None
LDAP: Off

Choose the operation you want to perform:
- NAME - Change the name of the listener.
- INTERFACE - Change the interface.
- LIMITS - Change the injection limits.
- SETUP - Configure general options.
- HOSTACCESS - Modify the Host Access Table.
- RCPTACCESS - Modify the Recipient Access Table.
- BOUNCECONFIG - Choose the bounce profile to use for messages injected on this
listener.
- MASQUERADE - Configure the Domain Masquerading Table.
- DOMAINMAP - Configure domain mappings.
[]> hostaccess
Default Policy Parameters
=========================
Allow TLS Connections: No
Allow SMTP Authentication: No
Require TLS To Offer SMTP authentication: No
Maximum Concurrency Per IP: 1,000
Maximum Message Size: 100M
Maximum Messages Per Connection: 1,000
Maximum Recipients Per Message: 1,000
Maximum Recipients Per Hour: Disabled
Use SenderBase For Flow Control: Yes
Spam Detection Enabled: Yes
Virus Detection Enabled: Yes
There are currently 4 policies defined.
There are currently 5 sender groups.
Choose the operation you want to perform:
- NEW - Create a new entry.
- EDIT - Modify an entry.
- DELETE - Remove an entry.
- MOVE - Move an entry.
- DEFAULT - Set the defaults.
- PRINT - Display the table.
- IMPORT - Import a table from a file.
- EXPORT - Export the table to a file.
- CLEAR - Remove all entries.
[]> edit
1. Edit Sender Group
2. Edit Policy
[1]> 1
Currently configured HAT sender groups:
1. WHITELIST (My trusted senders have no Brightmail or rate limiting)
2. BLACKLIST (Spammers are rejected)
3. SUSPECTLIST (Suspicious senders are throttled)
4. UNKNOWNLIST (Reviewed but undecided, continue normal acceptance)
5. (no name, first host = ALL) (Everyone else)
Enter the sender group number or name you wish to edit.
[]> 1

Choose the operation you want to perform:
- NEW - Add a new host.
- DELETE - Remove a host.
- MOVE - Reorder the hosts.
- POLICY - Change the policy settings and options.
- PRINT - Display the current definition.
- RENAME - Rename this sender group.
[]> new
Enter the hosts to add. CIDR addresses such as 10.1.1.0/24 are allowed. IP
address ranges such as 10.1.1.10-20 are allowed. IP subnets such as 10.2.3. are
allowed. Hostnames such as crm.example.com are allowed. Partial hostnames such
as .example.com are allowed.
Ranges of SenderBase Reputation scores such as SBRS[7.5:10.0] are allowed.
SenderBase Network Owner IDs such as SBO:12345 are allowed.
Remote blacklist queries such as dnslist[query.blacklist.example] are allowed.
Separate multiple hosts with commas
[]>

Recuerde publicar el comando commit de salvar sus cambios.

Información Relacionada

• Dispositivo de seguridad del correo electrónico de Cisco - Guías del usuario final
• Soporte Técnico y Documentación - Cisco Systems