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Full_Name: Dennis Walvoort Version: 2.6.2 OS: MS Windows XP Submission from: (NULL) (137.224.252.10) I've encountered a problem when extracting vector elements by a factor. Let's create a (named) character vector v: i <- 1:10 v <- letters[i] names(v) <- i Let iInt, iChr, and iFac denote integer, character, and factor indices respectively: iInt <- i iChr <- as.character(i) iFac <- factor(iChr) Now, consider the following tests: all.equal(v, v[iInt]) # TRUE all.equal(v, v[iChr]) # TRUE all.equal(v, v[iFac]) # FALSE all.equal(v, v[as.character(iFac)...

I've been using ipfw for a while to create a router with NAT and packet filtering, but have never combined it with stateful filtering, instead using things like "established" to accept incoming TCP packets which are part of a conversation initiated from the "inside". I'd like to move to using keep-state/check-state to get tighter filtering and also to allow outgoing