diff options
-rw-r--r-- | iptables/xtables-arp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/iptables/xtables-arp.c b/iptables/xtables-arp.c index 046ae41d..298801b3 100644 --- a/iptables/xtables-arp.c +++ b/iptables/xtables-arp.c @@ -1145,6 +1145,13 @@ int do_commandarp(struct nft_handle *h, int argc, char *argv[], char **table) invert); getlength_and_mask(argv[optind - 1], &fw.arp.arhln, &fw.arp.arhln_mask); + + if (fw.arp.arhln != 6) { + xtables_error(PARAMETER_PROBLEM, + "Only harware address length of" + " 6 is supported currently."); + } + break; case 8:/* protocol length */ |