| |
| |
| @@ -123,6 +123,7 @@ struct nets { |
| static struct nets *nets; |
| static int nets_ind; |
| static int nets_size; |
| +static int ignore_zero_net; |
| |
| extern int optind; |
| extern int opterr; |
| @@ -477,6 +478,11 @@ process_ether(register u_char *u, regist |
| /* Source ip address */ |
| BCOPY(SPA(ea), &sia, 4); |
| |
| + if (sia == 0 && ignore_zero_net) { |
| + syslog(LOG_DEBUG, "ignoring packet from 0.0.0.0"); |
| + return; |
| + } |
| + |
| /* Watch for bogons */ |
| if (isbogon(sia)) { |
| dosyslog(LOG_INFO, "bogon", sia, sea, sha); |
| @@ -802,6 +808,9 @@ addnet(register const char *str) |
| np->netmask = m; |
| ++nets_ind; |
| |
| + if (n == 0) |
| + ignore_zero_net = 1; |
| + |
| return (1); |
| } |
| |