https://bugs.documentfoundation.org/show_bug.cgi?id=97931
Bug ID: 97931 Summary: LibreOffice looks up local hostname in DNS, leading to performance problems and security issues. Product: LibreOffice Version: 5.0.4.2 release Hardware: x86-64 (AMD64) OS: Linux (All) Status: UNCONFIRMED Severity: normal Priority: medium Component: LibreOffice Assignee: libreoffice-bugs@lists.freedesktop.org Reporter: donja...@freenet.de User action: open LibreOffice with and without a network connection, and with connections to various networks, with various different DNS servers and varying proxy setups. Result: LibreOffice takes between less than 1 and 45 seconds to start up, depending which network the computer is connected to. The quickest startup comes with no network connection. Expected result: LibreOffice should start up quickly regardless of the network context. Workaround: add the local hostname to the system hosts file with address 127.0.0.1 Conclusion: LibreOffice is trying to find the host address by looking up the hostname in the DNS. This is a Bad Idea. It wastes time and it's completely unnecessary. Under some circumstances revealing the hostname to the Internet like this could have security implications. -- You are receiving this mail because: You are the assignee for the bug.
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