ESET SMART SECURITY User's Guide download pdf (Page 54)

4.3.1.3 POP3, POP3S filter

The POP3 protocol is the most widespread protocol used to receive email communication in an email client

application. ESET Smart Security provides protection for this protocol regardless of the email client used.

The protection module providing this control is automatically initiated at system startup and is then active in

memory. For the module to work correctly, please make sure it is enabled – POP3 protocol checking is performed

automatically without requiring re-configuration of the email client. By default, all communication on port 110 is

scanned, but other communication ports can be added if necessary. Multiple port numbers must be delimited by a

comma.

Encrypted communication will be not scanned. To enable the scanning of encrypted communication and view the

scanner setup, navigate to SSL protocol checking in Advanced setup section, click Web and email > Protocol filtering

> SSL and enable the Always scan SSL protocol option.

In this section, you can configure POP3 and POP3S protocol checking.

Enable POP3 protocol checking – If enabled, all traffic through POP3 is monitored for malicious software.

Ports used by POP3 protocol – A list of ports used by the POP3 protocol (110 by default).

ESET Smart Security also supports POP3S protocol checking. This type of communication uses an encrypted channel

to transfer information between server and client. ESET Smart Security checks communications utilizing the SSL

(Secure Socket Layer), and TLS (Transport Layer Security) encryption methods.

Do not use POP3S checking – Encrypted communication will not be checked.

Use POP3S protocol checking for selected ports – Check this option to enable POP3S checking only for ports defined

in Ports used by POP3S protocol.

Ports used by POP3S protocol – A list of POP3S ports to check (995 by default).

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ESET SMART SECURITY User's Guide Page 54