diff options
| -rw-r--r-- | src/filter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/filter.c b/src/filter.c index 6e4d64a..eaf0a93 100644 --- a/src/filter.c +++ b/src/filter.c @@ -192,6 +192,9 @@ static int __ct_filter_test_state(struct ct_filter *f, struct nf_conntrack *ct) switch(protonum) { case IPPROTO_TCP: + if (!nfct_attr_is_set(ct, ATTR_TCP_STATE)) + return -1; + val = nfct_get_attr_u8(ct, ATTR_TCP_STATE); break; default: |