X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fnetworking%2Ftuntap.txt;h=839cbb71388b3a3c53e8bae57910ac2681de9dc2;hb=488fd99588bf23da951b524a806e44feaa1aa366;hp=76750fb9151a1ab79526591edb355dba167bb1ce;hpb=a2308b7f0838406c346a2b0259ff88c7fcf41e79;p=linux-2.6 diff --git a/Documentation/networking/tuntap.txt b/Documentation/networking/tuntap.txt index 76750fb915..839cbb7138 100644 --- a/Documentation/networking/tuntap.txt +++ b/Documentation/networking/tuntap.txt @@ -39,10 +39,13 @@ Copyright (C) 1999-2000 Maxim Krasnyansky mknod /dev/net/tun c 10 200 Set permissions: - e.g. chmod 0700 /dev/net/tun - if you want the device only accessible by root. Giving regular users the - right to assign network devices is NOT a good idea. Users could assign - bogus network interfaces to trick firewalls or administrators. + e.g. chmod 0666 /dev/net/tun + There's no harm in allowing the device to be accessible by non-root users, + since CAP_NET_ADMIN is required for creating network devices or for + connecting to network devices which aren't owned by the user in question. + If you want to create persistent devices and give ownership of them to + unprivileged users, then you need the /dev/net/tun device to be usable by + those users. Driver module autoloading