Lynx FAQ : Trouble spots : Lynx 2.8.4 error 400 bad reguest malformed syntax :
Check ~/.mailcap for broken entries
- Check the aforementioned file for broken entries -- in my case, lynx generated broken Accept HTTP headers which caused the web-server to answer with a
400 answer. Netscape web-servers exhibit this behaviour (e.g. www.cnn.com). The entries in .mailcap should not contain non-ASCII characters.
saschaATschumannDOTcx - [Append to This Answer]
Check your ~/.mailcap and ~/.mime.types files. In my case, a broken entry containing non-ASCII characters caused 400 replies. Netscape web-servers reject those Accept: headers which are caused by such entries.