thanhlp: I don't know how to add fonts, never tryed. but there is the forum thread how to do it:
https://www.mobileread.com/forums/showthread.php?t=88004
xptiger: can you browse website by it's IP? try entering IP into browser. I would try to uncomment the lines which you commented and instead change some settings. that is, set these ones to "*":
wan.proxy.non_proxy_hosts.http=*
wan.proxy.non_proxy_hosts.https=*
wan.proxy.non_proxy_hosts.ftp=*