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Server : Apache/2.4.62 System : FreeBSD fbsdweb2.web.rcn.net 14.1-RELEASE FreeBSD 14.1-RELEASE releng/14.1-n267679-10e31f0946d8 GENERIC amd64 User : www ( 80) PHP Version : 8.3.8 Disable Function : NONE Directory : /usr/share/examples/ipfilter/ |
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# # pass ack packets (ie established connection) # pass in proto tcp from 10.1.0.0/16 port = 23 to 10.2.0.0/16 flags A/A pass out proto tcp from 10.1.0.0/16 port = 23 to 10.2.0.0/16 flags A/A # # block incoming connection requests to my internal network from the big bad # internet. # block in on le0 proto tcp from any to 10.1.0.0/16 flags S/SA # to block the replies: block out on le0 proto tcp from 10.1.0.0 to any flags SA/SA