zsdch
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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. We started having issues with Bing search starting around the end of June 2023, and with assistance from our Firewall vendor we identified this content-encoding as unsupported on the Firewall and blocked as evasion (default) by the AntiVirus scan. So, is this experimental, or new normal? user-agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1823.79 accept-encoding:gzip, deflate, br, zsdch accept-language:en-US,en;q=0.9,fr;q=0.8,mt;q=0.7Solved6.5KViews0likes12Comments