first
Description
| Instructs the firewall to log only the first packet matching the rule. Use this parameter to avoid filling up the log too fast, because only a limited number of packets (1,000 by default) fits in the log. |
Synopsis
{block | pass} {in | out} log [first] address_scope| address_scope can be a unique IP address, an address space, or the keywords !, all, me, or any. |