TLS 1.2 error Ignored unknown record

answered 2019-09-23 20:34:36 +0000

When you see a lot of "Ignored unknown record" messages, it usually means reassembly is failing at some point. Can you make sure you have set the following protocol preferences:

Make sure checksum checking is off at the ethernet, IP and TCP layer (as a checksum error will stop reassembly)
Make sure "Allow subdissectors to reassemble TCP streams" is enabled in the TCP protocol preferences
Make sure "Reassemble TLS records spanning multiple TCP segment" is enabled in the TLS protocol preferences
Make sure "Reassemble TLS application data spanning multiple TCP records" is enabled in the TLS protocol preferences

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Thanks for your quick reply.

I am not sure you can access my one drive link

https://nowcomcorporation-my.sharepoi...

jeffkim3 ( 2019-09-23 20:49:02 +0000 )edit

Hi SYN-Bit ,

Could you let me know where can I check the requirements you said ?

Server side or end user side ? or Network device ?

jeffkim3 ( 2019-09-23 20:55:12 +0000 )edit

The settings I mentioned are settings in Wireshark :-)

You can edit them by going to "Preferences" -> "Protocols" and then the mentioned protocols

BTW I am not able to access the files, I think will have to make them "public" for other people to see them without having to log in.

SYN-bit ( 2019-09-23 21:24:44 +0000 )edit

Hi Sake ,

I can't share the link cause of our company policy.

jeffkim3 ( 2019-09-23 22:56:54 +0000 )edit

add a comment

If I haven't enough point , How can I upload files ?

jeffkim3 ( 2019-09-23 18:47:49 +0000 )edit

You can upload files to any prublic file sharing service (like box, dropbox, onedrive or google drive) and paste the linkt to it here. Please make sure you anonymized and scrubbed the file before uploading it if it contains any sensitive data.

SYN-bit ( 2019-09-23 20:35:59 +0000 )edit

TLS 1.2 error Ignored unknown record

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TLS 1.2 error Ignored unknown record