diff --git a/doc/bugs/cannot_connect_to_xmpp_server/comment_11_dabd74bba1f38b326a2d0c86d3027cd9._comment b/doc/bugs/cannot_connect_to_xmpp_server/comment_11_dabd74bba1f38b326a2d0c86d3027cd9._comment new file mode 100644 index 0000000000..2ceb4c08f7 --- /dev/null +++ b/doc/bugs/cannot_connect_to_xmpp_server/comment_11_dabd74bba1f38b326a2d0c86d3027cd9._comment @@ -0,0 +1,17 @@ +[[!comment format=mdwn + username="https://john-millikin.com/" + nickname="John Millikin" + subject="comment 11" + date="2013-07-22T01:52:41Z" + content=""" +(I'm the author of the XMPP library git-annex uses) + +The biggest issue I can think of with continuing in the absence of a <features> element is authentication. Without <features> the client library is not able to know which SASL mechanisms are supported, so it can't authenticate. + +It is possible to modify the XMPP library such that it can work around the problems exibited by this server software (adding a timeout to receipt, hardcoding a fallback SASL list), but I very much do not want to do that because it would almost certainly cause unexpected behavior when used with properly working servers. + +According to http://www.mail-archive.com/jdev@jabber.org/msg10598.html , jabberd-1.4.3 was released in 2003. Since its release, there have been multiple severe security issues discovered, including a remote crash (see http://mail.jabber.org/pipermail/jabberd/2004-September/002004.html and http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1378). + +In my opinion, the best course of action is for Daniel to switch to a different Jabber server software, preferably one that is still actively maintained. + +"""]]