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| author | Thomas Woerner <twoerner@redhat.com> | 2016-06-10 14:57:58 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2016-06-15 14:28:32 +0200 |
| commit | c513cc3dd10231f267548d644dcb7632516a2348 (patch) | |
| tree | fd2313f232c7a3fdba9d941891e462e5e33d3069 /iptables/ip6tables.c | |
| parent | e5666f68d98bc2eedd5b3aad5bdd1840c4ced193 (diff) | |
ip6tables: Warn about use of DROP in nat table
Clone of 1eada72b with 9bb76094 and e0390bee on top.
Signed-off-by: Thomas Woerner <twoerner@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'iptables/ip6tables.c')
| -rw-r--r-- | iptables/ip6tables.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/iptables/ip6tables.c b/iptables/ip6tables.c index 2731209e..c48ddf9e 100644 --- a/iptables/ip6tables.c +++ b/iptables/ip6tables.c @@ -1720,6 +1720,13 @@ int do_command6(int argc, char *argv[], char **table, cs.invert = FALSE; } + if (strcmp(*table, "nat") == 0 && + ((policy != NULL && strcmp(policy, "DROP") == 0) || + (cs.jumpto != NULL && strcmp(cs.jumpto, "DROP") == 0))) + xtables_error(PARAMETER_PROBLEM, + "\nThe \"nat\" table is not intended for filtering, " + "the use of DROP is therefore inhibited.\n\n"); + for (matchp = cs.matches; matchp; matchp = matchp->next) xtables_option_mfcall(matchp->match); if (cs.target != NULL) |