Forum Discussion
Tristan_W_C
Jul 21, 2023Copper Contributor
Edge and Bing Search - zsdch encoding: Why is it being used?
Seems Edge has been including zsdch in the accept-encoding header (from searching, as far back as 112). Couldn't find any documentation on this encoding type, only sdch which is considered defunct. W...
- Aug 09, 2023MS have now released a doc to support this on 7th August
https://learn.microsoft.com/en-us/deployedge/learnmore-zsdch-compression
pmeenan
Apr 04, 2024Copper Contributor
Any chance you can share which firewall vendor you were using that saw issues?
We're working on a similar change through the IETF for "compression dictionary transport" which Chrome currently has enabled in origin trial and it would be useful to get as many MITM devices fixed as possible before the issue becomes too widespread.
Spec: https://datatracker.ietf.org/doc/draft-ietf-httpbis-compression-dictionary/
We're working on a similar change through the IETF for "compression dictionary transport" which Chrome currently has enabled in origin trial and it would be useful to get as many MITM devices fixed as possible before the issue becomes too widespread.
Spec: https://datatracker.ietf.org/doc/draft-ietf-httpbis-compression-dictionary/