http://nguipxnkrp3qrzrlduhsatpcpwehnblzmlkc5ifiumxq4z5jlh4lwvid.onion/os_archive/os_OPSEC_357.html
And if you use separate users for every service running just like you should, you can control every service with iptables. For example permit traffic going to internet for tor daemon user and permit only localhost traffic for everything else. Tails already uses similar iptables setup. Anonymous 12/24/2017 (Sun) 15:09:42 [Preview] No. 1090 del What about having a fileserver to share anonymously?