OpenBSD-pf-filter
0 likes93 views
This rule allows incoming TCP traffic on any interface from any source IP address to port 80 on the local IP address 192.0.2.12. It will pass matching packets. The rule filters packets going towards (in) the computer using the egress interface group and only allows TCP protocol connections from any source to the specific destination IP address and port number listed.
1 of 1
Download to read offline
More Related Content
What's hot (8)
Ad
Viewers also liked (16)
Ad
More from Matt R (20)
OpenBSD-pf-filter
- 1. PF on OpenBSD Filtering Rules Diagram pass in on egress TCP from any to 192.0.2.12 port 80 What to do if rule matches; Results of matching the rule (pass/block/m atch) Direction the packets are going; towards the computer or away from the computer (in/out) Interface group or interface; To match every interface, use “all” Type of protocol connection (TCP/UDP/ ICMP/ICM P6) Where is traffic coming from ie: IP address or can use hostnames What specific IP address is the connection being made to on local machine or “any”; can use hostnames What port does it connect to on a local machine Adopted from “Absolute OpenBSD”, p 403-409