Seems to be a problem of version 1.8 because compiling the 1.6.2 whitout any modify, all working fine (I reserve further checks but it seems to be so). Can be a problem linked to the new name *legacy (maybe some library don't recognize it). Any idea ? Emy Il 09/04/2019 21:14, nhhabsburglothringen ha scritto: > Hi to all. > > I have compiled from source iptables v1.8.2 on debian 9 with a kernel > 4.9.144-rt93 64bit also recompiled for enable use of imq as module and > other stuff. > > no error configurig (./configure CFLAGS="-ggdb3 -O0 -DDEBUG" > --prefix=/usr --sbindir=/sbin --enable-libipq --enable-bpf-compiler > --with-xtlibdir=/lib/xtables) nor during compiling with make, but > running when I try to write a rule (for example: iptables -I FORWARD -j > port-filter (after iptables -N port-filter) if I type iptables -L I get > this error: > > Chain INPUT (policy ACCEPT) > target prot opt source destination > > Chain FORWARD (policy ACCEPT) > target prot opt source destination > > iptables: symbol lookup error: iptables: undefined symbol: > xtables_find_target_revision > > There are some person that can help me ? > > Thank in advance, > > Emilio