diff --git a/README.md b/README.md index e4dabc22..d23a0f1a 100644 --- a/README.md +++ b/README.md @@ -66,6 +66,14 @@ is being used, the minimum required Android version is 5.0 (Lollipop). No, unlike most of the similar closed source alternatives. + +**(4) Can you add selective allowing/blocking addresses?** + +Unfortunately this is not possible without sacrificing quite some battery power +and adding a lot of complex code to do network translation from OSI layer 3 to layer 4 +(and thus implementing a TCP/IP stack), which will inevitably introduce bugs as well. +This is how most (all?) other no root firewall work. NetGuard is unique, +because it doesn't implement a TCP/IP stack and is therefore both highly efficient and simple. Support -------