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Merge pull request #585 from ztyyLV/Jackson-branch
Update failed-to-load-resource.md
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faq/failed-to-load-resource.md

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@@ -21,7 +21,9 @@ You get an error message that says **"Failed to load resource: net::ERR_CERT_DAT
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By default, “127.0.0.1” is used for service connection. "127.0.0.1" uses a self-signed certificate because it is an internal IP address, if your environment requires high level security, self-signed certificates may not be accepted. Moreover, Android OS or Chrome OS does not accept connection between browsers and Dynamsoft Service via "127.0.0.1".
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In the case that you have used our expired certificate - local.dynamsoft.com you will need to update to the latest VeriSign’ed certificate. The most recent expired "local.dynamsoft.com" certificate expired on <font color=red>January 9th, 2023</font> and the latest certificate will expire on <font color=red>December 8th, 2023</font>
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In the case that you have used our expired certificate - local.dynamsoft.com, you will need to update to the latest VeriSign’ed certificate. The most recent expired "local.dynamsoft.com" certificate expired on <font color=red>January 9th, 2023</font> and the latest certificate will expire on <font color=red>December 8th, 2023</font>
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> ___Please note:___ _all official certificates issued by 3rd party come with an expiry date - generally one year. This means that each year the certificate will need to be updated if local.dynamsoft.com is used._
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<!-- 2. Your own domain certificate expired. -->
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Set back to self-signed certificate "127.0.0.1" by comment the line `Dynamsoft.WebTwainEnv.Host = "local.dynamsoft.com"` or `Dynamsoft.DWT.Host="local.dynamsoft.com"` out. No need to worry about the expiry date of the certificate anymore.
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- **High Level Security Requirement (<font color=red>Please note: you need to replace the certificate annually due to expiration</font>)**
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1. (**<u>Recommend</u>**) Revert back to the self-signed certificate for "127.0.0.1". Dynamsoft understands the importance of information security and are committed to remaining one of the most security-compliant companies in the industry. Starting from April 9,2021, Dynamsoft become ISO 27001 certified. Although a self-sign certificate is being used all connections are limited to the device itself (127.0.0.1) which ensures the security in most cases.
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1. (**<u>Recommended</u>**) Revert back to the self-signed certificate for "127.0.0.1". Dynamsoft understands the importance of information security and are committed to remaining one of the most security-compliant companies in the industry. Starting from April 9,2021, Dynamsoft becomes ISO 27001 certified. Although a self-sign certificate is being used all connections are limited to the device itself (127.0.0.1) which ensures security in most cases.
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2. If you have to use "local.dynamsoft.com", the following methods can be taken:
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- Method 1 (**<u>Recommended</u>**). Take advantage of the new feature -- **Remote Scan** which released in v18.0. With Remote Scan, you can limit the number of Dynamsoft Service Installations to a minimum. For more details, please refer to [What is Remote Scan](https://www.dynamsoft.com/remote-scan/docs/introduction/).
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Dynamsoft.OnSSLCertInfo = function (sslExpiredDate) {
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if ((sslExpiredDate - new Date()) / 86400000 < 15) { // Automatically updates 15 days before expiration
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Dynamsoft.DWT.UpdateCert(
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"https://tst.dynamsoft.com/public/download/dwt/newcert/local.dynamsoft.com/newcert.zip", //You may use your own URL to where the new certificate is placed.
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"https://demo.dynamsoft.com/DWT/Resources/dist/cert.zip", //You may use your own URL to where the new certificate is placed.
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function () {
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//Success callback
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},

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