Currently i have a server running Ubuntu 14.04 on a LEMP stack, i was trying to enable UFW following this tutorial.
But after i run ** sudo ufw allow ssh**
I’m getting the following error: ERROR: initcaps [Errno 2] modprobe: ERROR: …/libkmod/libkmod.c:556 kmod_search_moddep() could not open moddep file ‘/lib/modules/3.13.0-36-generic/modules.dep.bin’ ip6tables v1.4.21: can’t initialize ip6tables table `filter’: Table does not exist (do you need to insmod?) Perhaps ip6tables or your kernel needs to be upgraded.
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