diff options
Diffstat (limited to 'extensions')
| -rw-r--r-- | extensions/libipt_icmp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/extensions/libipt_icmp.c b/extensions/libipt_icmp.c index 8f22d052..ce468379 100644 --- a/extensions/libipt_icmp.c +++ b/extensions/libipt_icmp.c @@ -284,6 +284,9 @@ static void save(const struct ipt_ip *ip, const struct ipt_entry_match *match) /* Final check; we don't care. */ static void final_check(unsigned int flags) { + if (!flags) + exit_error(PARAMETER_PROBLEM, + "icmp match: You must specify `--icmp-type'"); } static struct iptables_match icmp = { |