Frank Abel Cancio Bello wrote: > Hi all! > > A newbie question: > When I try to compile "nfqnl_test.c" putting on command line: > > "gcc -Wall -o nfqnl_test nfqnl_test.c" > > the following error occur: > [snip errors] you forgot to include required library symbols: gcc -Wall -o nfqnl_test nfqnl_test.c -lnfnetlink -lnetfilter_queue will do