# Digi wr21 log

**URL:** <https://forums.digi.com/t/digi-wr21-log/20696>\
**Category:** Digi TransPort WR (Series)\
**Tags:** log\
**Created:** [August 8, 2019, 11:32am UTC](https://forums.digi.com/t/digi-wr21-log/20696 "2019-08-08T11:32:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![iadamovic](https://avatars.discourse-cdn.com/v4/letter/i/b5ac83/32.png) [@iadamovic](https://forums.digi.com/u/iadamovic)\
**Post date:** [August 8, 2019, 11:32am UTC](https://forums.digi.com/t/digi-wr21-log/20696/1 "2019-08-08T11:32:39Z")

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Why i get this message in event log:

09:12:34, 08 Aug 2019,Certificate Code Error  
Lib: SSL routines  
Func: ssl3\_read\_bytes  
Reason: sslv3 alert certificate unknown  
09:12:34, 08 Aug 2019,Certificate Code Error  
Lib: SSL routines  
Func: ssl3\_read\_bytes  
Reason: sslv3 alert certificate unknown  
09:12:34, 08 Aug 2019,Certificate Code Error  
Lib: SSL routines  
Func: ssl3\_read\_bytes  
Reason: sslv3 alert certificate unknown  
09:12:34, 08 Aug 2019,Certificate Code Error  
Lib: SSL routines  
Func: ssl3\_read\_bytes  
Reason: sslv3 alert certificate unknown  
09:12:34, 08 Aug 2019,Certificate Code Error  
Lib: SSL routines  
Func: ssl3\_read\_bytes  
Reason: sslv3 alert certificate unknown  
09:12:33, 08 Aug 2019,Certificate Code Error  
Lib: SSL routines  
Func: ssl3\_read\_bytes  
Reason: sslv3 alert certificate unknown  
09:12:33, 08 Aug 2019,Certificate Code Error

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<div class="post-metadata">

**Author:** ![nicolaus](https://avatars.discourse-cdn.com/v4/letter/n/87869e/32.png) [@nicolaus](https://forums.digi.com/u/nicolaus)\
**Post date:** [January 21, 2020, 4:45am UTC](https://forums.digi.com/t/digi-wr21-log/20696/2 "2020-01-21T04:45:27Z")

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Hi,  
This issue is caused by the router using a self-signed certificate or certificate that was signed with CA that is not in the trusted CA store on your browser.  
If you install a certificate from a well known trusted CA this error would not happen.  
This error can be ignored.