success, now typically compiled worked again after unpacking tar-xzvf ser2net-2.7.tar.gz Now would be interesting to make a package to the netbsd! ;) thank Stefan thank David Builds ok here I don't know if the program actually works and have no time to check. NetBSD 5.1_STABLE May 1, 2011 # cd /usr/local/source/ser2net/ # tar -xzvf ser2net-2.7.tar.gz # cd /usr/local/source/ser2net/ser2net-2.7 ./configure make make install ls -l /usr/local/sbin/ -rwxr-xr-x 1 root wheel 124443 Mar 7 11:08 ser2net David