As defined in currently used iptables v1.8.4 [0], [1], chain name must be under 29 chars. Thus, user can only edit 11 chars. See also [3].
[0] https://git.netfilter.org/iptables/tree/iptables/xtables.c?h=v1.8.4&id=2b506c6681c7b01803f06b258a39e9da9012e5c5#n1004 [1] https://git.netfilter.org/iptables/tree/include/linux/netfilter/x_tables.h?h=v1.8.4&id=2b506c6681c7b01803f06b258a39e9da9012e5c5#n7 [3] https://dev.archive.openwrt.org/ticket/20380 Signed-off-by: Alexey Dobrovolsky <dobrovolskiy.ale...@gmail.com> --- zones.h | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/zones.h b/zones.h index d786736..05f8554 100644 --- a/zones.h +++ b/zones.h @@ -22,8 +22,11 @@ #include "options.h" #include "iptables.h" -/* 32 - sizeof("postrouting_") - sizeof("_rule") - sizeof("\0") */ -#define FW3_ZONE_MAXNAMELEN 14 +/* + * chain name in iptables must be under 29 chars + * 29 - sizeof("postrouting_") - sizeof("_rule") - sizeof("\0") + */ +#define FW3_ZONE_MAXNAMELEN 11 extern const struct fw3_option fw3_zone_opts[]; -- 2.17.1 _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
