Кто испытывает проблемы с LogJam со вчерашней ночи предлагается патчик (см. в английском тексте).
Today many of you who uses LogJam LiveJournal client can't login or do any operation with server. There is new requirement to programs to add well-formed User-Agent header (details:
http://www.livejournal.com/bots/). I wrote small patch to fix the issue:
http://github.com/andy-shev/LogJam/commit/73976914f5c745f9d7e28d8bd46dddf624d59475 here.
P.S. This post have been made from LogJam :-)