1# $OpenBSD: pf.conf,v 1.4 2018/07/10 19:28:35 henning Exp $ 2# 3# See pf.conf(5) for syntax and examples. 4# Remember to set net.inet.ip.forwarding=1 and/or net.inet6.ip6.forwarding=1 5# in /etc/sysctl.conf if packets are to be forwarded between interfaces. 6 7# increase default state limit from 100'000 states on busy systems 8#set limit states 500000 9 10set skip on lo 11 12# filter rules and anchor for ftp-proxy(8) 13#anchor "ftp-proxy/*" 14#pass in quick inet proto tcp to port ftp divert-to 127.0.0.1 port 8021 15 16# anchor for relayd(8) 17#anchor "relayd/*" 18 19block return # block stateless traffic 20pass # establish keep-state 21 22# rules for spamd(8) 23#table <spamd-white> persist 24#table <nospamd> persist file "/etc/mail/nospamd" 25#pass in on egress inet proto tcp from any to any port smtp \ 26# divert-to 127.0.0.1 port spamd 27#pass in on egress proto tcp from <nospamd> to any port smtp 28#pass in log on egress proto tcp from <spamd-white> to any port smtp 29#pass out log on egress proto tcp to any port smtp 30 31 32#block in quick from urpf-failed to any # use with care 33 34# rules for vmd(8) - NAT and DNS forwarding for VMs (100.64.0.0/10 default) 35#pass out on egress from 100.64.0.0/10 to any nat-to (egress) 36#pass in proto udp from 100.64.0.0/10 to any port domain \ 37# rdr-to $dns_server port domain 38 39# By default, do not permit remote connections to X11 40block return in on ! lo0 proto tcp to port 6000:6010 41