diff options
Diffstat (limited to 'extensions/libxt_state.c')
| -rw-r--r-- | extensions/libxt_state.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/extensions/libxt_state.c b/extensions/libxt_state.c index 95d7db57..66af518a 100644 --- a/extensions/libxt_state.c +++ b/extensions/libxt_state.c @@ -54,7 +54,10 @@ state_parse_states(const char *arg, struct xt_state_info *sinfo) exit_error(PARAMETER_PROBLEM, "Bad state `%s'", arg); arg = comma+1; } - + if (!*arg) + exit_error(PARAMETER_PROBLEM, "`--state' requires a list of " + "states with no spaces, e.g. " + "ESTABLISHED,RELATED"); if (strlen(arg) == 0 || !state_parse_state(arg, strlen(arg), sinfo)) exit_error(PARAMETER_PROBLEM, "Bad state `%s'", arg); } |