About Avast certificate invalid
Remove the file from your computer.Nothing: No action is taken during the scan; the threat is listed in your scan results and you can decide what to do later. The following options allow you to further configure File Shield behavior:You can additionally configure report file settings individually for File Shield.Mail ShieldMail Shield scans for threats in your incoming and outgoing email messages. Avast Geek settings allow you to specify which action Avast Antivirus performs when Mail Shield detects a threat (virus, potentially unwanted program, potentially unwanted tool, or suspicious object). For each threat type, select an action from the drop-down menu:Auto (selected by default): Run a sequence of actions (repair file; if not possible, then move to Quarantine; if not possible, then delete)Ask: Avast asks what you want to do with a detected threat before any action is taken.Nothing: No action is taken during the scan; the threat is listed in your scan results and you can decide what to do later.Move to Quarantine: Send the threat to Quarantine, where it cannot harm your system.Repair: Remove only malicious code attached to an otherwise safe file; this is not possible for files that are entirely malware.Delete: Permanently remove the file from your computer. The following options allow you to further configure Mail Shield behavior:Show a notification window when an action is taken (enabled by default): You receive a notification from Avast each time Mail Shield detects a threat.Scan archived messages when opening: Scans archived messages every time they are opened.Scan SSL connections (enabled by default): Enables scanning of emails sent or received using SSL/TLS encrypted connection. If disabled, only emails sent or received via unsecured connections are scanned. Export a Mail Shield certificateClick Perform to export a Mail Shield certificate from Avast Antivirus. This is useful for troubleshooting error messages about invalid server certificates from third party email clients, such as Mozilla Thunderbird.Port settingsIf Avast fails to intercept a malicious email or you notice that you are not receiving certain emails, you may need to correct the defined port numbers. Avast Geek allows you to edit the port numbers according to your email service provider or mail server configuration.If you do not know the port numbers that your mail service uses, contact your email provider or network administrator, or refer to the settings section of your email client.You can additionally configure report file settings individually for Mail Shield.Web ShieldWeb Shield actively
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Endpoint communication security improvement FortiClient Endpoint Management Server (EMS) and FortiClient 7.0.2 add an improvement to endpoint communication security. FortiClient connects to EMS using Telemetry to: Obtain license information Send endpoint and management information to EMS Receive endpoint configuration Receive endpoint commands, the results of which it can send to EMS Other similar tasks The connection from FortiClient to EMS uses TCP and TLS 1.3. During the SSL connection setup, EMS sends a server certificate to FortiClient. The certificate that EMS sends to FortiClient is the one configured in EMS Settings > Shared Settings > SSL certificate. See Adding an SSL certificate to FortiClient EMS. In 7.0.1 and earlier versions, FortiClient checks the certificate subject name received from EMS to confirm its validity. In 7.0.2, the certificate validation follows industry standards: Domain or fully qualified domain name (FQDN) that FortiClient is connecting to matches the domain to which the certificate is issued.Validation process correctly handles wildcards in the domain name in the certificate.Validation process considers both the common name (CN) in the subject or subject alternative name (SAN). The certificate expiry date is in the future. The certificate has not expired. The certificate issuer or the root certificate in the certificate chain is from a publicly trusted certificate authority (CA). Trusted CAs are read from the operating system. The new endpoint communication security feature allows the EMS administrator to configure endpoint profiles to take different actions based on the validity of the certificate that FortiClient receives from EMS. The EMS administrator configures this feature by enabling Use SSL certificate for Endpoint Control in EMS and configuring the desired Invalid Certificate Action for each endpoint profile. When Use SSL certificate for Endpoint Control is enabled, FortiClient 7.0.1 and earlier versions cannot connect to EMS. Following the recommended upgrade path as detailed in the following procedure is recommended to ensure that endpoints can connect to EMS. See Recommended upgrade path. The following describes the behavior when Use SSL certificate for Endpoint Control is enabled: If the EMS server certificate is valid, FortiClient silently connects without displaying a message. This is the same connection behavior from 7.0.1 and earlier versions. If the EMS server certificate is invalid: If the Invalid Certificate Action is configured as Warn, FortiClient displays a warning message to the end user. The message warns the user that the EMS to which FortiClient is attempting to connect to has provided an invalid server certificate. The message offers options to allow or deny the connection:If the user allows the connection, FortiClient connects to EMS and remembers the certificate for this EMS. FortiClient no longer prompts the user each time that it connects to this EMS.If the user denies the connection, FortiClient does not connect to EMS by canceling the connection. The next time that the user tries to connect to the same EMS and the server certificate is still invalid, FortiClient displays the same message again.If the Invalid Certificate Action is configured as Allow, FortiClient connects to EMS.If the Invalid Certificate
