AXIS P1357-E Network CameraAbout system optionsNoteInstalled certificates, except preinstalled CA certificates, will be deleted if the product is reset to factory default. PreinstalledCA certificates that have been deleted will be reinstalled.A Server/Client certificate can be self-signed or issued by a Certificate Authority (CA). A self-signed certificate offers limitedprotection and can be used before a CA-issued certificate has been obtained.To install a self-signed certificate:1. Go to Setup > System Options > Security > Certificates.2. Click Create self-signed certificate and provide the requested information.To create and install a CA-signed certificate:1. Create a self-signed certificate as described above.2. Go to Setup > System Options > Security > Certificates.3. Click Create certificate signing request and provide the requested information.4. Copy the PEM-formatted request and send to the CA of your choice.5. When the signed certificate is returned, click Install certificate and upload the certificate.Server/Client certificates can be installed as Certificate from signing request or as Certificate and private key. Select Certificateand private key if the private key is to be upload as a separate file or if the certificate is in PKCS#12 format.The Axis product is shipped with several preinstalled CA certificates. If required, additional CA certificates can be installed:1. Go to Setup > System Options > Security > Certificates.2. Click Install certificate and upload the certificate.Audio SupportSelect Enable audio support to allow clients to retrieve audio streams from the Axis product. For information on how to configureaudio settings, see How to change audio settings on page 28.NoteDeselecting this option will disable audio globally in the Axis product, for configured events and profiles with audio as well.Date & TimeThe Axis product’s date and time settings are configured under System Options > Date & Time.Current Server Time displays the current date and time (24h clock). The time can be displayed in 12h clock in the text overlay (seebelow).To change the date and time settings, select the preferred Time mode under New Server Time:• Synchronize with computer time – Sets date and time according to the computer’s clock. With this option, date andtime are set once and will not be updated automatically.• Synchronize with NTP Server – Obtains date and time from an NTP server. With this option, date and time settings areupdated continuously. For information on NTP settings, see NTP Configuration on page 51.If using a host name for the NTP server, a DNS server must be configured. See DNS Configuration on page 51.• Set manually – Allows you to manually set date and time.48