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4.1.3 Web access protection

Internet connectivity is a standard feature in a personal computer.

Unfortunately, it has also become the main medium for transferring

malicious code. Because of this, it is essential that you carefully

consider your Web access protection. We strongly recommend that

the Enable web access protection option is selected. This option is

located in Advanced Setup (F5) > Antivirus and antispyware > Web

access protection.

4.1.3.1 HTTP, HTTPs

Web access protection works by monitoring communication between

Internet browsers and remote servers, and complies with HTTP

(Hypertext Transfer Protocol) and HTTPs (encrypted communication)

rules. By default, ESET Smart Security is conﬁgured to use the

standards of most Internet browsers. However, the HTTP scanner

setup options can be modiﬁed in Advanced Setup (F5) > Antivirus

and antispyware > Web access protection > HTTP, HTTPs. In the

main HTTP ﬁlter window, you can select or deselect the Enable HTTP

checking option. You can also deﬁne the port numbers used for HTTP

communication. By default, the port numbers 80, 8080 and 3128 are

predeﬁned. HTTPs checking can be performed in the following modes:

Do not use HTTPs protocol checking – Encrypted communication

will not be checked

Use HTTPs protocol checking for selected ports – HTTPs checking

only for ports deﬁned in Ports used by HTTPs protocol

Use HTTPs protocol checking for applications marked as Internet

browsers that use selected ports – Only check applications that are

speciﬁed in the browsers section and use ports deﬁned in Ports used

by HTTPs protocol.

4.1.3.1.1 Address management

This section enables you to specify HTTP addresses to block, allow

or exclude from checking. The buttons Add, Edit, Remove and

Export are used to manage the lists of addresses. Websites in the

list of blocked addresses will not be accessible. Websites in the list of

excluded addresses are accessed without being scanned for malicious

code. If you select the Allow access only to HTTP addresses in the

list of allowed addresses option, only addresses present in the list of

allowed addresses will be accessible, while all other HTTP addresses

will be blocked.

In all lists, the special symbols * (asterisk) and ? (question mark) can be

used. The asterisk substitutes any character string, and the question

mark substitutes any symbol. Particular care should be taken when

specifying excluded addresses, because the list should only contain

trusted and safe addresses. Similarly, it is necessary to ensure that the

symbols * and ? are used correctly in this list. To activate a list, select

the List active option. If you wish to be notiﬁed when entering an

address from the current list, select Notify when applying address

from the list option.

4.1.3.1.2 Web browsers

ESET Smart Security also contains the Web browsers feature, which

allows you to deﬁne whether the given application is a browser or not.

If an application is marked as a browser, all communication from this

application is monitored regardless of the port numbers involved.

The Web browsers feature complements the HTTP checking feature,

as HTTP checking only takes place on predeﬁned ports. However,

many Internet services utilize changing or unknown port numbers. To

account for this, the Web browser feature can establish control of port

communications regardless of the connection parameters.

The list of applications marked as web browsers is accessible directly

from the Web browsers submenu of the HTTP branch. This section

also contains the Active mode submenu, which deﬁnes the checking

mode for Internet browsers.

Active mode is useful because it examines transferred data as

a whole. If it is not enabled, communication of applications is

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